Summarize this content to 400 words in Persian Lang\n \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0632\u0628\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0647\u0645\u0647 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645 \u0648 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0635\u0641\u062d\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0622\u0646 \u067e\u0631\u062a\u0627\u0628 \u06a9\u0646\u06cc\u0645. \u0647\u0645\u0647 \u062c\u0627 \u0647\u0633\u062a! \u0627\u0632 \u0631\u0642\u0635\u06cc\u062f\u0646 \u062f\u06a9\u0645\u0647\u200c\u0647\u0627\u06cc\u062a\u0627\u0646 \u062a\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0648\u0628\u200c\u0633\u0627\u06cc\u062a\u062a\u0627\u0646 \u062f\u0631 \u0633\u0627\u0639\u062a 2 \u0635\u0628\u062d \u0628\u0647 \u062f\u0644\u0627\u06cc\u0644\u06cc \u06a9\u0647 \u0647\u06cc\u0686\u200c\u06a9\u0633 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062a\u0648\u0636\u06cc\u062d \u062f\u0647\u062f.<\/p>\n
\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u060c \u0639\u062c\u06cc\u0628 \u0648 \u063a\u0631\u06cc\u0628 \u0648 \u06a9\u0627\u0645\u0644\u0627\u064b \u0639\u062c\u06cc\u0628 \u0627\u0633\u062a. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u062f\u0631 \u0645\u0648\u0631\u062f \u0628\u0631\u062e\u06cc \u0627\u0632 \u0627\u062d\u0645\u0642\u0627\u0646\u0647 \u062a\u0631\u06cc\u0646 \u06a9\u0627\u0631\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f \u0635\u062d\u0628\u062a \u06a9\u0646\u06cc\u0645.<\/p>\n
1. \u201cNaN\u201d \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a\u061f<\/p>\n
\u062f\u0631\u0633\u062a \u062e\u0648\u0627\u0646\u062f\u06cc\u062f \u201cNaN\u201d \u0645\u062e\u0641\u0641 \u201cNot a Number,\u201d \u0627\u0645\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0639\u062f\u062f \u0637\u0628\u0642\u0647 \u0628\u0646\u062f\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0645\u062b\u0644 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0633\u06cc \u0628\u06af\u0648\u06cc\u062f “\u0645\u0646 \u06af\u0631\u0633\u0646\u0647 \u0646\u06cc\u0633\u062a\u0645 … \u0627\u0645\u0627 \u0628\u06cc\u0627 \u0628\u0631\u06cc\u0645 \u0628\u062e\u0648\u0631\u06cc\u0645.”<\/p>\n
console.log(typeof NaN); \/\/ “number”<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0686\u0631\u0627\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u061f \u0686\u0631\u0627\u061f<\/p>\n
2. \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u061f \u0645\u0637\u0645\u0626\u0646\u0627\u060c \u0686\u0631\u0627 \u06a9\u0647 \u0646\u0647.<\/p>\n
\u0648\u0642\u062a\u06cc \u062f\u0648 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f\u061f \u0634\u0645\u0627 \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u062e\u0637\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f \u0646\u0647 \u0641\u0642\u0637 … \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u06cc \u067e\u06cc\u0648\u0646\u062f\u062f.<\/p>\n
console.log([1, 2] + [3, 4]); \/\/ “1,23,4”<\/p>\n
\u0627\u06cc\u0646 \u0627\u0636\u0627\u0641\u0647 \u0646\u06cc\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0632\u062e\u0631\u0641 \u0627\u0633\u062a \u0627\u0645\u0627 \u0647\u06cc\u060c \u0627\u06cc\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0627\u06cc \u0634\u0645\u0627\u0633\u062a.<\/p>\n
3. True + True = 2?<\/p>\n
\u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 \u062e\u0648\u062f \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f:<\/p>\n
console.log(true + true); \/\/ 2<\/p>\n
\u0628\u0644\u0647 \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 true \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 1 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c “\u0631\u06cc\u0627\u0636\u06cc \u0627\u06cc\u0646\u062c\u0627 \u0645\u0639\u0646\u0627 \u062f\u0627\u0631\u062f!” \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0648\u0627\u0646\u0645\u0648\u062f \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0627\u0631\u062f.<\/p>\n
4. \u0627\u0633\u0631\u0627\u0631 \u0622\u0645\u06cc\u0632 undefined \u0648 null<\/p>\n
undefined \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0686\u06cc\u0632\u06cc \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a. null \u06cc\u0639\u0646\u06cc \u062e\u0627\u0644\u06cc\u0647\u0627\u0645\u0627 \u0622\u06cc\u0627 \u0622\u0646\u0647\u0627 \u06cc\u06a9\u0633\u0627\u0646 \u0647\u0633\u062a\u0646\u062f\u061f \u062e\u06cc\u0631<\/p>\n
console.log(undefined == null); \/\/ true\nconsole.log(undefined === null); \/\/ false<\/p>\n
\u06af\u06cc\u062c \u0634\u062f\u0647\u061f \u0645\u0646 \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0628\u0648\u062f\u0645. \u0648 \u0647\u0631 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u062c\u062f\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0627\u0633\u062a.<\/p>\n
5 this \u0645\u0634\u06a9\u0644<\/p>\n
\u0622\u0647\u060c this. \u0622\u0641\u062a \u06cc\u0627\u062f\u06af\u06cc\u0631\u0646\u062f\u06af\u0627\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a. \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u06cc\u0646\u0647\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a. \u062f\u0631 \u062f\u06cc\u06af\u0631\u06cc\u060c \u0622\u0646 \u0627\u0633\u062a undefined. \u062f\u0631 \u062a\u0627\u0628\u0639 \u0641\u0644\u0634\u061f \u06a9\u0644\u0627 \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0647 \u0627\u06cc\u0647<\/p>\n
const obj = {\n name: “JavaScript”,\n regular: function () {\n console.log(this.name);\n },\n arrow: () => {\n console.log(this.name);\n },\n};<\/p>\n
obj.regular(); \/\/ “JavaScript”\nobj.arrow(); \/\/ <\/p>\n
\u0647\u0631 \u0648\u0642\u062a \u0641\u06a9\u0631 \u0645\u06cc\u06a9\u0646\u06cc \u0641\u0647\u0645\u06cc\u062f\u06cc this\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0631\u0634 \u0631\u0627 \u0627\u0632 \u0632\u06cc\u0631 \u0634\u0645\u0627 \u0628\u06cc\u0631\u0648\u0646 \u0645\u06cc \u06a9\u0634\u062f.<\/p>\n
6. Double Equals Is Lazy<\/p>\n
\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c == \u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 \u0646\u0648\u0639 \u0627\u0647\u0645\u06cc\u062a \u0646\u0645\u06cc \u062f\u0647\u062f \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u062e\u0648\u0628 \u0627\u0633\u062a … \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u0628\u0627\u0634\u062f.<\/p>\n
console.log(0 == “0”); \/\/ true\nconsole.log(0 == []); \/\/ true\nconsole.log([] == “”); \/\/ true<\/p>\n
\u0628\u0647 \u062e\u0648\u062f\u062a\u0627\u0646 \u0644\u0637\u0641\u06cc \u06a9\u0646\u06cc\u062f: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f === \u062f\u0631 \u0639\u0648\u0636 \u0647\u0645\u06cc\u0634\u0647.<\/p>\n
7. \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a<\/p>\n
\u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u06cc\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a. \u0686\u0647 \u0686\u06cc\u0632\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0632 \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0645\u0646\u0641\u06cc. \u0648 \u0628\u0644\u0647\u060c \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0622\u0646\u0647\u0627 \u0631\u06cc\u0627\u0636\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n
console.log(Infinity – Infinity); \/\/ NaN\nconsole.log(Infinity > 1000000); \/\/ true<\/p>\n
\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0642\u0637 \u0628\u0647 \u0637\u0648\u0631 \u0627\u062a\u0641\u0627\u0642\u06cc \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0633\u0628\u06cc \u0627\u0633\u062a.<\/p>\n
\u0622\u06cc\u0627 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u062f\u0631 \u06a9\u062f\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u0627 \u0632\u0627\u0646\u0648 \u0631\u0641\u062a\u0647 \u0627\u06cc\u062f \u0648 \u0627\u0632 \u062e\u0648\u062f \u067e\u0631\u0633\u06cc\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0644\u06cc\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u061f \u062f\u0631 \u0627\u06cc\u0646 \u0648\u0628\u0644\u0627\u06af 4 \u0631\u0648\u0634 \u0645\u062e\u062a\u0644\u0641 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n
tajammalmaqbool.com<\/p>\n
\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0634\u06af\u0641\u062a \u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a\u060c \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u061f \u0627\u06cc\u0646 \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u0648 \u0632\u0646\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u062c\u0627\u0644\u0628 \u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0622\u0646 Time Events \u0627\u0633\u062a. \u0627\u06af\u0631 \u0641\u0646\u06cc \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f \u0646\u06af\u0631\u0627\u0646 \u0646\u0628\u0627\u0634\u06cc\u062f. \u0645\u0646 \u0622\u0646 \u0631\u0627 \u062e\u0631\u0627\u0628 \u0645\u06cc \u06a9\u0646\u0645.<\/p>\n
\u0631\u0648\u0634 \u0627\u0633\u067e\u0644\u0627\u06cc\u0633 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a\u0627\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a! \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u062f\u0648\u0646 \u0632\u062d\u0645\u062a \u0627\u0636\u0627\u0641\u0647\u060c \u062d\u0630\u0641 \u0648 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f. \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0646\u0647\u0627\u06cc\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n
\u0686\u0631\u0627 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0647\u0631 \u062d\u0627\u0644 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645<\/p>\n
\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u062a\u0645\u0627\u0645 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u0634\u2026 \u0634\u06af\u0641\u062a\u200c\u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0633\u0627\u0632\u06cc\u062f\u060c \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u062d\u062a\u06cc \u0631\u0628\u0627\u062a \u0647\u0627 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u06cc\u062f! \u06a9\u0645\u06cc \u062f\u06cc\u0648\u0627\u0646\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0628\u062e\u0634\u06cc \u0627\u0632 \u062c\u0630\u0627\u0628\u06cc\u062a \u0622\u0646 \u0627\u0633\u062a.<\/p>\n
\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0645\u0627 \u0635\u0628\u0631 \u0645\u06cc \u0622\u0645\u0648\u0632\u062f\u060c \u0645\u0627 \u0631\u0627 \u0645\u06cc \u062e\u0646\u062f\u0627\u0646\u062f (\u0648 \u06af\u0631\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645)\u060c \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f. \u0639\u062c\u06cc\u0628 \u0628\u0648\u062f\u0646 \u0631\u0627 \u062f\u0631 \u0622\u063a\u0648\u0634 \u0628\u06af\u06cc\u0631\u06cc\u062f.<\/p>\n
\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0632\u0628\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0647\u0645\u0647 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645 \u0648 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0635\u0641\u062d\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0622\u0646 \u067e\u0631\u062a\u0627\u0628 \u06a9\u0646\u06cc\u0645. \u0647\u0645\u0647 \u062c\u0627 \u0647\u0633\u062a! \u0627\u0632 \u0631\u0642\u0635\u06cc\u062f\u0646 \u062f\u06a9\u0645\u0647\u200c\u0647\u0627\u06cc\u062a\u0627\u0646 \u062a\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0648\u0628\u200c\u0633\u0627\u06cc\u062a\u062a\u0627\u0646 \u062f\u0631 \u0633\u0627\u0639\u062a 2 \u0635\u0628\u062d \u0628\u0647 \u062f\u0644\u0627\u06cc\u0644\u06cc \u06a9\u0647 \u0647\u06cc\u0686\u200c\u06a9\u0633 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062a\u0648\u0636\u06cc\u062d \u062f\u0647\u062f.<\/p>\n
\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\nToggle<\/span><\/path><\/svg><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n1. \u201cNaN\u201d \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a\u061f<\/a><\/li>2. \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u061f \u0645\u0637\u0645\u0626\u0646\u0627\u060c \u0686\u0631\u0627 \u06a9\u0647 \u0646\u0647.<\/a><\/li>3. True + True = 2?<\/a><\/li>4. \u0627\u0633\u0631\u0627\u0631 \u0622\u0645\u06cc\u0632 undefined \u0648 null<\/a><\/li>5 this \u0645\u0634\u06a9\u0644<\/a><\/li>6. Double Equals Is Lazy<\/a><\/li>7. \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a<\/a><\/li>\u0686\u0631\u0627 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0647\u0631 \u062d\u0627\u0644 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645<\/a><\/li><\/ul><\/nav><\/div>\n<\/span>\n 1. \u201cNaN\u201d<\/code> \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a\u061f\n<\/span><\/h2>\n\u062f\u0631\u0633\u062a \u062e\u0648\u0627\u0646\u062f\u06cc\u062f \u201cNaN\u201d<\/code> \u0645\u062e\u0641\u0641 \u201cNot a Number,\u201d<\/code> \u0627\u0645\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0639\u062f\u062f \u0637\u0628\u0642\u0647 \u0628\u0646\u062f\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0645\u062b\u0644 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0633\u06cc \u0628\u06af\u0648\u06cc\u062f “\u0645\u0646 \u06af\u0631\u0633\u0646\u0647 \u0646\u06cc\u0633\u062a\u0645 … \u0627\u0645\u0627 \u0628\u06cc\u0627 \u0628\u0631\u06cc\u0645 \u0628\u062e\u0648\u0631\u06cc\u0645.”<\/strong><\/p>\n\nconsole<\/span>.<\/span>log<\/span>(<\/span>typeof<\/span> NaN<\/span>);<\/span> \/\/ \"number\"<\/span>\n<\/code><\/pre>\n\n\n \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0686\u0631\u0627\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u061f \u0686\u0631\u0627\u061f<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_%D8%A7%D8%B6%D8%A7%D9%81%D9%87_%DA%A9%D8%B1%D8%AF%D9%86_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7%D8%9F_%D9%85%D8%B7%D9%85%D8%A6%D9%86%D8%A7%D8%8C_%DA%86%D8%B1%D8%A7_%DA%A9%D9%87_%D9%86%D9%87\"><\/span>\n<p> 2. \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u061f \u0645\u0637\u0645\u0626\u0646\u0627\u060c \u0686\u0631\u0627 \u06a9\u0647 \u0646\u0647.<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0648\u0642\u062a\u06cc \u062f\u0648 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f\u061f \u0634\u0645\u0627 \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u062e\u0637\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f \u0646\u0647 \u0641\u0642\u0637 … \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u06cc \u067e\u06cc\u0648\u0646\u062f\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">]<\/span> <span class=\"o\">+<\/span> <span class=\"p\">[<\/span><span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">]);<\/span> <span class=\"c1\">\/\/ \"1,23,4\"<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0627\u0636\u0627\u0641\u0647 \u0646\u06cc\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0632\u062e\u0631\u0641 \u0627\u0633\u062a \u0627\u0645\u0627 \u0647\u06cc\u060c \u0627\u06cc\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0627\u06cc \u0634\u0645\u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_True_True_2\"><\/span>\n<p> 3. <code>True + True = 2<\/code>?<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 \u062e\u0648\u062f \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">true<\/span> <span class=\"o\">+<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ 2<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0644\u0647 \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 true \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 1 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c <strong>“\u0631\u06cc\u0627\u0636\u06cc \u0627\u06cc\u0646\u062c\u0627 \u0645\u0639\u0646\u0627 \u062f\u0627\u0631\u062f!”<\/strong> \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0648\u0627\u0646\u0645\u0648\u062f \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0627\u0631\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_%D8%A7%D8%B3%D8%B1%D8%A7%D8%B1_%D8%A2%D9%85%DB%8C%D8%B2_undefined_%D9%88_null\"><\/span>\n<p> 4. \u0627\u0633\u0631\u0627\u0631 \u0622\u0645\u06cc\u0632 <code>undefined<\/code> \u0648 <code>null<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>undefined<\/code> \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0686\u06cc\u0632\u06cc \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a. <code>null<\/code> \u06cc\u0639\u0646\u06cc \u062e\u0627\u0644\u06cc\u0647<br \/>\u0627\u0645\u0627 \u0622\u06cc\u0627 \u0622\u0646\u0647\u0627 \u06cc\u06a9\u0633\u0627\u0646 \u0647\u0633\u062a\u0646\u062f\u061f \u062e\u06cc\u0631<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">==<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">===<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ false<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u06af\u06cc\u062c \u0634\u062f\u0647\u061f \u0645\u0646 \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0628\u0648\u062f\u0645. \u0648 \u0647\u0631 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u062c\u062f\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_this_%D9%85%D8%B4%DA%A9%D9%84\"><\/span>\n<p> 5 <code>this<\/code> \u0645\u0634\u06a9\u0644<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0622\u0647\u060c <code>this<\/code>. \u0622\u0641\u062a \u06cc\u0627\u062f\u06af\u06cc\u0631\u0646\u062f\u06af\u0627\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a. \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u06cc\u0646\u0647\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a. \u062f\u0631 \u062f\u06cc\u06af\u0631\u06cc\u060c \u0622\u0646 \u0627\u0633\u062a <code>undefined<\/code>. \u062f\u0631 \u062a\u0627\u0628\u0639 \u0641\u0644\u0634\u061f \u06a9\u0644\u0627 \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0647 \u0627\u06cc\u0647<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">obj<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\n <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">JavaScript<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\n <span class=\"na\">regular<\/span><span class=\"p\">:<\/span> <span class=\"nf\">function <\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n <span class=\"na\">arrow<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=><\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n<span class=\"p\">};<\/span>\n\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">regular<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ \"JavaScript\"<\/span>\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">arrow<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ <\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0647\u0631 \u0648\u0642\u062a \u0641\u06a9\u0631 \u0645\u06cc\u06a9\u0646\u06cc \u0641\u0647\u0645\u06cc\u062f\u06cc <code>this<\/code>\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0631\u0634 \u0631\u0627 \u0627\u0632 \u0632\u06cc\u0631 \u0634\u0645\u0627 \u0628\u06cc\u0631\u0648\u0646 \u0645\u06cc \u06a9\u0634\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Double_Equals_Is_Lazy\"><\/span>\n<p> 6. Double Equals Is Lazy<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c <code>==<\/code> \u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 \u0646\u0648\u0639 \u0627\u0647\u0645\u06cc\u062a \u0646\u0645\u06cc \u062f\u0647\u062f \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u062e\u0648\u0628 \u0627\u0633\u062a … \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u0628\u0627\u0634\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">0<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"p\">[]);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([]<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0647 \u062e\u0648\u062f\u062a\u0627\u0646 \u0644\u0637\u0641\u06cc \u06a9\u0646\u06cc\u062f: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>===<\/code> \u062f\u0631 \u0639\u0648\u0636 \u0647\u0645\u06cc\u0634\u0647.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"7_%D8%A8%DB%8C_%D9%86%D9%87%D8%A7%DB%8C%D8%AA_%DB%8C%DA%A9_%D8%B9%D8%AF%D8%AF_%D8%A7%D8%B3%D8%AA\"><\/span>\n<p> 7. \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u06cc\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a. \u0686\u0647 \u0686\u06cc\u0632\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0632 \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0645\u0646\u0641\u06cc. \u0648 \u0628\u0644\u0647\u060c \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0622\u0646\u0647\u0627 \u0631\u06cc\u0627\u0636\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">-<\/span> <span class=\"kc\">Infinity<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ NaN<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">><\/span> <span class=\"mi\">1000000<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0642\u0637 \u0628\u0647 \u0637\u0648\u0631 \u0627\u062a\u0641\u0627\u0642\u06cc \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0633\u0628\u06cc \u0627\u0633\u062a.<\/p>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0622\u06cc\u0627 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u062f\u0631 \u06a9\u062f\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u0627 \u0632\u0627\u0646\u0648 \u0631\u0641\u062a\u0647 \u0627\u06cc\u062f \u0648 \u0627\u0632 \u062e\u0648\u062f \u067e\u0631\u0633\u06cc\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0644\u06cc\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u061f \u062f\u0631 \u0627\u06cc\u0646 \u0648\u0628\u0644\u0627\u06af 4 \u0631\u0648\u0634 \u0645\u062e\u062a\u0644\u0641 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Ftime-events-in-javascript-a-guide.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0634\u06af\u0641\u062a \u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a\u060c \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u061f \u0627\u06cc\u0646 \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u0648 \u0632\u0646\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u062c\u0627\u0644\u0628 \u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0622\u0646 Time Events \u0627\u0633\u062a. \u0627\u06af\u0631 \u0641\u0646\u06cc \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f \u0646\u06af\u0631\u0627\u0646 \u0646\u0628\u0627\u0634\u06cc\u062f. \u0645\u0646 \u0622\u0646 \u0631\u0627 \u062e\u0631\u0627\u0628 \u0645\u06cc \u06a9\u0646\u0645.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Fjavascript-splice-the-ultimate-array-method.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0631\u0648\u0634 \u0627\u0633\u067e\u0644\u0627\u06cc\u0633 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a\u0627\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a! \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u062f\u0648\u0646 \u0632\u062d\u0645\u062a \u0627\u0636\u0627\u0641\u0647\u060c \u062d\u0630\u0641 \u0648 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f. \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0646\u0647\u0627\u06cc\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D8%B1%D8%A7_%D9%85%D8%A7_%D8%A2%D9%86_%D8%B1%D8%A7_%D8%A8%D9%87_%D9%87%D8%B1_%D8%AD%D8%A7%D9%84_%D8%AF%D9%88%D8%B3%D8%AA_%D8%AF%D8%A7%D8%B1%DB%8C%D9%85\"><\/span>\n<p> \u0686\u0631\u0627 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0647\u0631 \u062d\u0627\u0644 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u062a\u0645\u0627\u0645 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u0634\u2026 \u0634\u06af\u0641\u062a\u200c\u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0633\u0627\u0632\u06cc\u062f\u060c \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u062d\u062a\u06cc \u0631\u0628\u0627\u062a \u0647\u0627 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u06cc\u062f! \u06a9\u0645\u06cc \u062f\u06cc\u0648\u0627\u0646\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0628\u062e\u0634\u06cc \u0627\u0632 \u062c\u0630\u0627\u0628\u06cc\u062a \u0622\u0646 \u0627\u0633\u062a.<\/p>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0645\u0627 \u0635\u0628\u0631 \u0645\u06cc \u0622\u0645\u0648\u0632\u062f\u060c \u0645\u0627 \u0631\u0627 \u0645\u06cc \u062e\u0646\u062f\u0627\u0646\u062f (\u0648 \u06af\u0631\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645)\u060c \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f. \u0639\u062c\u06cc\u0628 \u0628\u0648\u062f\u0646 \u0631\u0627 \u062f\u0631 \u0622\u063a\u0648\u0634 \u0628\u06af\u06cc\u0631\u06cc\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0632\u0628\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0647\u0645\u0647 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645 \u0648 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0635\u0641\u062d\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0622\u0646 \u067e\u0631\u062a\u0627\u0628 \u06a9\u0646\u06cc\u0645. \u0647\u0645\u0647 \u062c\u0627 \u0647\u0633\u062a! \u0627\u0632 \u0631\u0642\u0635\u06cc\u062f\u0646 \u062f\u06a9\u0645\u0647\u200c\u0647\u0627\u06cc\u062a\u0627\u0646 \u062a\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0648\u0628\u200c\u0633\u0627\u06cc\u062a\u062a\u0627\u0646 \u062f\u0631 \u0633\u0627\u0639\u062a 2 \u0635\u0628\u062d \u0628\u0647 \u062f\u0644\u0627\u06cc\u0644\u06cc \u06a9\u0647 \u0647\u06cc\u0686\u200c\u06a9\u0633 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062a\u0648\u0636\u06cc\u062d \u062f\u0647\u062f. \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a …<\/p>\n","protected":false},"author":2,"featured_media":89230,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-89229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=89229"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/89230"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=89229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=89229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=89229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
1. \u201cNaN\u201d<\/code> \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a\u061f\n<\/span><\/h2>\n\u062f\u0631\u0633\u062a \u062e\u0648\u0627\u0646\u062f\u06cc\u062f \u201cNaN\u201d<\/code> \u0645\u062e\u0641\u0641 \u201cNot a Number,\u201d<\/code> \u0627\u0645\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0639\u062f\u062f \u0637\u0628\u0642\u0647 \u0628\u0646\u062f\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0645\u062b\u0644 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0633\u06cc \u0628\u06af\u0648\u06cc\u062f “\u0645\u0646 \u06af\u0631\u0633\u0646\u0647 \u0646\u06cc\u0633\u062a\u0645 … \u0627\u0645\u0627 \u0628\u06cc\u0627 \u0628\u0631\u06cc\u0645 \u0628\u062e\u0648\u0631\u06cc\u0645.”<\/strong><\/p>\n\nconsole<\/span>.<\/span>log<\/span>(<\/span>typeof<\/span> NaN<\/span>);<\/span> \/\/ \"number\"<\/span>\n<\/code><\/pre>\n\n\n \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0686\u0631\u0627\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u061f \u0686\u0631\u0627\u061f<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_%D8%A7%D8%B6%D8%A7%D9%81%D9%87_%DA%A9%D8%B1%D8%AF%D9%86_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7%D8%9F_%D9%85%D8%B7%D9%85%D8%A6%D9%86%D8%A7%D8%8C_%DA%86%D8%B1%D8%A7_%DA%A9%D9%87_%D9%86%D9%87\"><\/span>\n<p> 2. \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u061f \u0645\u0637\u0645\u0626\u0646\u0627\u060c \u0686\u0631\u0627 \u06a9\u0647 \u0646\u0647.<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0648\u0642\u062a\u06cc \u062f\u0648 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f\u061f \u0634\u0645\u0627 \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u062e\u0637\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f \u0646\u0647 \u0641\u0642\u0637 … \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u06cc \u067e\u06cc\u0648\u0646\u062f\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">]<\/span> <span class=\"o\">+<\/span> <span class=\"p\">[<\/span><span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">]);<\/span> <span class=\"c1\">\/\/ \"1,23,4\"<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0627\u0636\u0627\u0641\u0647 \u0646\u06cc\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0632\u062e\u0631\u0641 \u0627\u0633\u062a \u0627\u0645\u0627 \u0647\u06cc\u060c \u0627\u06cc\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0627\u06cc \u0634\u0645\u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_True_True_2\"><\/span>\n<p> 3. <code>True + True = 2<\/code>?<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 \u062e\u0648\u062f \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">true<\/span> <span class=\"o\">+<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ 2<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0644\u0647 \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 true \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 1 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c <strong>“\u0631\u06cc\u0627\u0636\u06cc \u0627\u06cc\u0646\u062c\u0627 \u0645\u0639\u0646\u0627 \u062f\u0627\u0631\u062f!”<\/strong> \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0648\u0627\u0646\u0645\u0648\u062f \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0627\u0631\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_%D8%A7%D8%B3%D8%B1%D8%A7%D8%B1_%D8%A2%D9%85%DB%8C%D8%B2_undefined_%D9%88_null\"><\/span>\n<p> 4. \u0627\u0633\u0631\u0627\u0631 \u0622\u0645\u06cc\u0632 <code>undefined<\/code> \u0648 <code>null<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>undefined<\/code> \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0686\u06cc\u0632\u06cc \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a. <code>null<\/code> \u06cc\u0639\u0646\u06cc \u062e\u0627\u0644\u06cc\u0647<br \/>\u0627\u0645\u0627 \u0622\u06cc\u0627 \u0622\u0646\u0647\u0627 \u06cc\u06a9\u0633\u0627\u0646 \u0647\u0633\u062a\u0646\u062f\u061f \u062e\u06cc\u0631<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">==<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">===<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ false<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u06af\u06cc\u062c \u0634\u062f\u0647\u061f \u0645\u0646 \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0628\u0648\u062f\u0645. \u0648 \u0647\u0631 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u062c\u062f\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_this_%D9%85%D8%B4%DA%A9%D9%84\"><\/span>\n<p> 5 <code>this<\/code> \u0645\u0634\u06a9\u0644<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0622\u0647\u060c <code>this<\/code>. \u0622\u0641\u062a \u06cc\u0627\u062f\u06af\u06cc\u0631\u0646\u062f\u06af\u0627\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a. \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u06cc\u0646\u0647\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a. \u062f\u0631 \u062f\u06cc\u06af\u0631\u06cc\u060c \u0622\u0646 \u0627\u0633\u062a <code>undefined<\/code>. \u062f\u0631 \u062a\u0627\u0628\u0639 \u0641\u0644\u0634\u061f \u06a9\u0644\u0627 \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0647 \u0627\u06cc\u0647<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">obj<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\n <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">JavaScript<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\n <span class=\"na\">regular<\/span><span class=\"p\">:<\/span> <span class=\"nf\">function <\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n <span class=\"na\">arrow<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=><\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n<span class=\"p\">};<\/span>\n\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">regular<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ \"JavaScript\"<\/span>\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">arrow<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ <\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0647\u0631 \u0648\u0642\u062a \u0641\u06a9\u0631 \u0645\u06cc\u06a9\u0646\u06cc \u0641\u0647\u0645\u06cc\u062f\u06cc <code>this<\/code>\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0631\u0634 \u0631\u0627 \u0627\u0632 \u0632\u06cc\u0631 \u0634\u0645\u0627 \u0628\u06cc\u0631\u0648\u0646 \u0645\u06cc \u06a9\u0634\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Double_Equals_Is_Lazy\"><\/span>\n<p> 6. Double Equals Is Lazy<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c <code>==<\/code> \u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 \u0646\u0648\u0639 \u0627\u0647\u0645\u06cc\u062a \u0646\u0645\u06cc \u062f\u0647\u062f \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u062e\u0648\u0628 \u0627\u0633\u062a … \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u0628\u0627\u0634\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">0<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"p\">[]);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([]<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0647 \u062e\u0648\u062f\u062a\u0627\u0646 \u0644\u0637\u0641\u06cc \u06a9\u0646\u06cc\u062f: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>===<\/code> \u062f\u0631 \u0639\u0648\u0636 \u0647\u0645\u06cc\u0634\u0647.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"7_%D8%A8%DB%8C_%D9%86%D9%87%D8%A7%DB%8C%D8%AA_%DB%8C%DA%A9_%D8%B9%D8%AF%D8%AF_%D8%A7%D8%B3%D8%AA\"><\/span>\n<p> 7. \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u06cc\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a. \u0686\u0647 \u0686\u06cc\u0632\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0632 \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0645\u0646\u0641\u06cc. \u0648 \u0628\u0644\u0647\u060c \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0622\u0646\u0647\u0627 \u0631\u06cc\u0627\u0636\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">-<\/span> <span class=\"kc\">Infinity<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ NaN<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">><\/span> <span class=\"mi\">1000000<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0642\u0637 \u0628\u0647 \u0637\u0648\u0631 \u0627\u062a\u0641\u0627\u0642\u06cc \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0633\u0628\u06cc \u0627\u0633\u062a.<\/p>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0622\u06cc\u0627 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u062f\u0631 \u06a9\u062f\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u0627 \u0632\u0627\u0646\u0648 \u0631\u0641\u062a\u0647 \u0627\u06cc\u062f \u0648 \u0627\u0632 \u062e\u0648\u062f \u067e\u0631\u0633\u06cc\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0644\u06cc\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u061f \u062f\u0631 \u0627\u06cc\u0646 \u0648\u0628\u0644\u0627\u06af 4 \u0631\u0648\u0634 \u0645\u062e\u062a\u0644\u0641 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Ftime-events-in-javascript-a-guide.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0634\u06af\u0641\u062a \u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a\u060c \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u061f \u0627\u06cc\u0646 \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u0648 \u0632\u0646\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u062c\u0627\u0644\u0628 \u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0622\u0646 Time Events \u0627\u0633\u062a. \u0627\u06af\u0631 \u0641\u0646\u06cc \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f \u0646\u06af\u0631\u0627\u0646 \u0646\u0628\u0627\u0634\u06cc\u062f. \u0645\u0646 \u0622\u0646 \u0631\u0627 \u062e\u0631\u0627\u0628 \u0645\u06cc \u06a9\u0646\u0645.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Fjavascript-splice-the-ultimate-array-method.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0631\u0648\u0634 \u0627\u0633\u067e\u0644\u0627\u06cc\u0633 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a\u0627\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a! \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u062f\u0648\u0646 \u0632\u062d\u0645\u062a \u0627\u0636\u0627\u0641\u0647\u060c \u062d\u0630\u0641 \u0648 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f. \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0646\u0647\u0627\u06cc\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D8%B1%D8%A7_%D9%85%D8%A7_%D8%A2%D9%86_%D8%B1%D8%A7_%D8%A8%D9%87_%D9%87%D8%B1_%D8%AD%D8%A7%D9%84_%D8%AF%D9%88%D8%B3%D8%AA_%D8%AF%D8%A7%D8%B1%DB%8C%D9%85\"><\/span>\n<p> \u0686\u0631\u0627 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0647\u0631 \u062d\u0627\u0644 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u062a\u0645\u0627\u0645 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u0634\u2026 \u0634\u06af\u0641\u062a\u200c\u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0633\u0627\u0632\u06cc\u062f\u060c \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u062d\u062a\u06cc \u0631\u0628\u0627\u062a \u0647\u0627 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u06cc\u062f! \u06a9\u0645\u06cc \u062f\u06cc\u0648\u0627\u0646\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0628\u062e\u0634\u06cc \u0627\u0632 \u062c\u0630\u0627\u0628\u06cc\u062a \u0622\u0646 \u0627\u0633\u062a.<\/p>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0645\u0627 \u0635\u0628\u0631 \u0645\u06cc \u0622\u0645\u0648\u0632\u062f\u060c \u0645\u0627 \u0631\u0627 \u0645\u06cc \u062e\u0646\u062f\u0627\u0646\u062f (\u0648 \u06af\u0631\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645)\u060c \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f. \u0639\u062c\u06cc\u0628 \u0628\u0648\u062f\u0646 \u0631\u0627 \u062f\u0631 \u0622\u063a\u0648\u0634 \u0628\u06af\u06cc\u0631\u06cc\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0632\u0628\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0647\u0645\u0647 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645 \u0648 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0635\u0641\u062d\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0622\u0646 \u067e\u0631\u062a\u0627\u0628 \u06a9\u0646\u06cc\u0645. \u0647\u0645\u0647 \u062c\u0627 \u0647\u0633\u062a! \u0627\u0632 \u0631\u0642\u0635\u06cc\u062f\u0646 \u062f\u06a9\u0645\u0647\u200c\u0647\u0627\u06cc\u062a\u0627\u0646 \u062a\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0648\u0628\u200c\u0633\u0627\u06cc\u062a\u062a\u0627\u0646 \u062f\u0631 \u0633\u0627\u0639\u062a 2 \u0635\u0628\u062d \u0628\u0647 \u062f\u0644\u0627\u06cc\u0644\u06cc \u06a9\u0647 \u0647\u06cc\u0686\u200c\u06a9\u0633 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062a\u0648\u0636\u06cc\u062d \u062f\u0647\u062f. \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a …<\/p>\n","protected":false},"author":2,"featured_media":89230,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-89229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=89229"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/89230"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=89229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=89229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=89229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\u201cNaN\u201d<\/code> \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a\u061f\n<\/span><\/h2>\n\u062f\u0631\u0633\u062a \u062e\u0648\u0627\u0646\u062f\u06cc\u062f \u201cNaN\u201d<\/code> \u0645\u062e\u0641\u0641 \u201cNot a Number,\u201d<\/code> \u0627\u0645\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0639\u062f\u062f \u0637\u0628\u0642\u0647 \u0628\u0646\u062f\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0645\u062b\u0644 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0633\u06cc \u0628\u06af\u0648\u06cc\u062f “\u0645\u0646 \u06af\u0631\u0633\u0646\u0647 \u0646\u06cc\u0633\u062a\u0645 … \u0627\u0645\u0627 \u0628\u06cc\u0627 \u0628\u0631\u06cc\u0645 \u0628\u062e\u0648\u0631\u06cc\u0645.”<\/strong><\/p>\n\nconsole<\/span>.<\/span>log<\/span>(<\/span>typeof<\/span> NaN<\/span>);<\/span> \/\/ \"number\"<\/span>\n<\/code><\/pre>\n\n\n \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0686\u0631\u0627\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u061f \u0686\u0631\u0627\u061f<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_%D8%A7%D8%B6%D8%A7%D9%81%D9%87_%DA%A9%D8%B1%D8%AF%D9%86_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7%D8%9F_%D9%85%D8%B7%D9%85%D8%A6%D9%86%D8%A7%D8%8C_%DA%86%D8%B1%D8%A7_%DA%A9%D9%87_%D9%86%D9%87\"><\/span>\n<p> 2. \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u061f \u0645\u0637\u0645\u0626\u0646\u0627\u060c \u0686\u0631\u0627 \u06a9\u0647 \u0646\u0647.<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0648\u0642\u062a\u06cc \u062f\u0648 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f\u061f \u0634\u0645\u0627 \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u062e\u0637\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f \u0646\u0647 \u0641\u0642\u0637 … \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u06cc \u067e\u06cc\u0648\u0646\u062f\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">]<\/span> <span class=\"o\">+<\/span> <span class=\"p\">[<\/span><span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">]);<\/span> <span class=\"c1\">\/\/ \"1,23,4\"<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0627\u0636\u0627\u0641\u0647 \u0646\u06cc\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0632\u062e\u0631\u0641 \u0627\u0633\u062a \u0627\u0645\u0627 \u0647\u06cc\u060c \u0627\u06cc\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0627\u06cc \u0634\u0645\u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_True_True_2\"><\/span>\n<p> 3. <code>True + True = 2<\/code>?<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 \u062e\u0648\u062f \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">true<\/span> <span class=\"o\">+<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ 2<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0644\u0647 \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 true \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 1 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c <strong>“\u0631\u06cc\u0627\u0636\u06cc \u0627\u06cc\u0646\u062c\u0627 \u0645\u0639\u0646\u0627 \u062f\u0627\u0631\u062f!”<\/strong> \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0648\u0627\u0646\u0645\u0648\u062f \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0627\u0631\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_%D8%A7%D8%B3%D8%B1%D8%A7%D8%B1_%D8%A2%D9%85%DB%8C%D8%B2_undefined_%D9%88_null\"><\/span>\n<p> 4. \u0627\u0633\u0631\u0627\u0631 \u0622\u0645\u06cc\u0632 <code>undefined<\/code> \u0648 <code>null<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>undefined<\/code> \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0686\u06cc\u0632\u06cc \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a. <code>null<\/code> \u06cc\u0639\u0646\u06cc \u062e\u0627\u0644\u06cc\u0647<br \/>\u0627\u0645\u0627 \u0622\u06cc\u0627 \u0622\u0646\u0647\u0627 \u06cc\u06a9\u0633\u0627\u0646 \u0647\u0633\u062a\u0646\u062f\u061f \u062e\u06cc\u0631<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">==<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">===<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ false<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u06af\u06cc\u062c \u0634\u062f\u0647\u061f \u0645\u0646 \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0628\u0648\u062f\u0645. \u0648 \u0647\u0631 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u062c\u062f\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_this_%D9%85%D8%B4%DA%A9%D9%84\"><\/span>\n<p> 5 <code>this<\/code> \u0645\u0634\u06a9\u0644<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0622\u0647\u060c <code>this<\/code>. \u0622\u0641\u062a \u06cc\u0627\u062f\u06af\u06cc\u0631\u0646\u062f\u06af\u0627\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a. \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u06cc\u0646\u0647\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a. \u062f\u0631 \u062f\u06cc\u06af\u0631\u06cc\u060c \u0622\u0646 \u0627\u0633\u062a <code>undefined<\/code>. \u062f\u0631 \u062a\u0627\u0628\u0639 \u0641\u0644\u0634\u061f \u06a9\u0644\u0627 \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0647 \u0627\u06cc\u0647<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">obj<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\n <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">JavaScript<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\n <span class=\"na\">regular<\/span><span class=\"p\">:<\/span> <span class=\"nf\">function <\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n <span class=\"na\">arrow<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=><\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n<span class=\"p\">};<\/span>\n\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">regular<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ \"JavaScript\"<\/span>\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">arrow<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ <\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0647\u0631 \u0648\u0642\u062a \u0641\u06a9\u0631 \u0645\u06cc\u06a9\u0646\u06cc \u0641\u0647\u0645\u06cc\u062f\u06cc <code>this<\/code>\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0631\u0634 \u0631\u0627 \u0627\u0632 \u0632\u06cc\u0631 \u0634\u0645\u0627 \u0628\u06cc\u0631\u0648\u0646 \u0645\u06cc \u06a9\u0634\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Double_Equals_Is_Lazy\"><\/span>\n<p> 6. Double Equals Is Lazy<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c <code>==<\/code> \u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 \u0646\u0648\u0639 \u0627\u0647\u0645\u06cc\u062a \u0646\u0645\u06cc \u062f\u0647\u062f \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u062e\u0648\u0628 \u0627\u0633\u062a … \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u0628\u0627\u0634\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">0<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"p\">[]);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([]<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0647 \u062e\u0648\u062f\u062a\u0627\u0646 \u0644\u0637\u0641\u06cc \u06a9\u0646\u06cc\u062f: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>===<\/code> \u062f\u0631 \u0639\u0648\u0636 \u0647\u0645\u06cc\u0634\u0647.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"7_%D8%A8%DB%8C_%D9%86%D9%87%D8%A7%DB%8C%D8%AA_%DB%8C%DA%A9_%D8%B9%D8%AF%D8%AF_%D8%A7%D8%B3%D8%AA\"><\/span>\n<p> 7. \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u06cc\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a. \u0686\u0647 \u0686\u06cc\u0632\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0632 \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0645\u0646\u0641\u06cc. \u0648 \u0628\u0644\u0647\u060c \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0622\u0646\u0647\u0627 \u0631\u06cc\u0627\u0636\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">-<\/span> <span class=\"kc\">Infinity<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ NaN<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">><\/span> <span class=\"mi\">1000000<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0642\u0637 \u0628\u0647 \u0637\u0648\u0631 \u0627\u062a\u0641\u0627\u0642\u06cc \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0633\u0628\u06cc \u0627\u0633\u062a.<\/p>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0622\u06cc\u0627 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u062f\u0631 \u06a9\u062f\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u0627 \u0632\u0627\u0646\u0648 \u0631\u0641\u062a\u0647 \u0627\u06cc\u062f \u0648 \u0627\u0632 \u062e\u0648\u062f \u067e\u0631\u0633\u06cc\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0644\u06cc\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u061f \u062f\u0631 \u0627\u06cc\u0646 \u0648\u0628\u0644\u0627\u06af 4 \u0631\u0648\u0634 \u0645\u062e\u062a\u0644\u0641 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Ftime-events-in-javascript-a-guide.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0634\u06af\u0641\u062a \u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a\u060c \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u061f \u0627\u06cc\u0646 \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u0648 \u0632\u0646\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u062c\u0627\u0644\u0628 \u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0622\u0646 Time Events \u0627\u0633\u062a. \u0627\u06af\u0631 \u0641\u0646\u06cc \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f \u0646\u06af\u0631\u0627\u0646 \u0646\u0628\u0627\u0634\u06cc\u062f. \u0645\u0646 \u0622\u0646 \u0631\u0627 \u062e\u0631\u0627\u0628 \u0645\u06cc \u06a9\u0646\u0645.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Fjavascript-splice-the-ultimate-array-method.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0631\u0648\u0634 \u0627\u0633\u067e\u0644\u0627\u06cc\u0633 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a\u0627\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a! \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u062f\u0648\u0646 \u0632\u062d\u0645\u062a \u0627\u0636\u0627\u0641\u0647\u060c \u062d\u0630\u0641 \u0648 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f. \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0646\u0647\u0627\u06cc\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D8%B1%D8%A7_%D9%85%D8%A7_%D8%A2%D9%86_%D8%B1%D8%A7_%D8%A8%D9%87_%D9%87%D8%B1_%D8%AD%D8%A7%D9%84_%D8%AF%D9%88%D8%B3%D8%AA_%D8%AF%D8%A7%D8%B1%DB%8C%D9%85\"><\/span>\n<p> \u0686\u0631\u0627 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0647\u0631 \u062d\u0627\u0644 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u062a\u0645\u0627\u0645 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u0634\u2026 \u0634\u06af\u0641\u062a\u200c\u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0633\u0627\u0632\u06cc\u062f\u060c \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u062d\u062a\u06cc \u0631\u0628\u0627\u062a \u0647\u0627 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u06cc\u062f! \u06a9\u0645\u06cc \u062f\u06cc\u0648\u0627\u0646\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0628\u062e\u0634\u06cc \u0627\u0632 \u062c\u0630\u0627\u0628\u06cc\u062a \u0622\u0646 \u0627\u0633\u062a.<\/p>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0645\u0627 \u0635\u0628\u0631 \u0645\u06cc \u0622\u0645\u0648\u0632\u062f\u060c \u0645\u0627 \u0631\u0627 \u0645\u06cc \u062e\u0646\u062f\u0627\u0646\u062f (\u0648 \u06af\u0631\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645)\u060c \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f. \u0639\u062c\u06cc\u0628 \u0628\u0648\u062f\u0646 \u0631\u0627 \u062f\u0631 \u0622\u063a\u0648\u0634 \u0628\u06af\u06cc\u0631\u06cc\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0632\u0628\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0647\u0645\u0647 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645 \u0648 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0635\u0641\u062d\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0622\u0646 \u067e\u0631\u062a\u0627\u0628 \u06a9\u0646\u06cc\u0645. \u0647\u0645\u0647 \u062c\u0627 \u0647\u0633\u062a! \u0627\u0632 \u0631\u0642\u0635\u06cc\u062f\u0646 \u062f\u06a9\u0645\u0647\u200c\u0647\u0627\u06cc\u062a\u0627\u0646 \u062a\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0648\u0628\u200c\u0633\u0627\u06cc\u062a\u062a\u0627\u0646 \u062f\u0631 \u0633\u0627\u0639\u062a 2 \u0635\u0628\u062d \u0628\u0647 \u062f\u0644\u0627\u06cc\u0644\u06cc \u06a9\u0647 \u0647\u06cc\u0686\u200c\u06a9\u0633 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062a\u0648\u0636\u06cc\u062d \u062f\u0647\u062f. \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a …<\/p>\n","protected":false},"author":2,"featured_media":89230,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-89229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=89229"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/89230"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=89229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=89229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=89229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\u062f\u0631\u0633\u062a \u062e\u0648\u0627\u0646\u062f\u06cc\u062f \u201cNaN\u201d<\/code> \u0645\u062e\u0641\u0641 \u201cNot a Number,\u201d<\/code> \u0627\u0645\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0639\u062f\u062f \u0637\u0628\u0642\u0647 \u0628\u0646\u062f\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0645\u062b\u0644 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0633\u06cc \u0628\u06af\u0648\u06cc\u062f “\u0645\u0646 \u06af\u0631\u0633\u0646\u0647 \u0646\u06cc\u0633\u062a\u0645 … \u0627\u0645\u0627 \u0628\u06cc\u0627 \u0628\u0631\u06cc\u0645 \u0628\u062e\u0648\u0631\u06cc\u0645.”<\/strong><\/p>\n\nconsole<\/span>.<\/span>log<\/span>(<\/span>typeof<\/span> NaN<\/span>);<\/span> \/\/ \"number\"<\/span>\n<\/code><\/pre>\n\n\n \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0686\u0631\u0627\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u061f \u0686\u0631\u0627\u061f<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_%D8%A7%D8%B6%D8%A7%D9%81%D9%87_%DA%A9%D8%B1%D8%AF%D9%86_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7%D8%9F_%D9%85%D8%B7%D9%85%D8%A6%D9%86%D8%A7%D8%8C_%DA%86%D8%B1%D8%A7_%DA%A9%D9%87_%D9%86%D9%87\"><\/span>\n<p> 2. \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u061f \u0645\u0637\u0645\u0626\u0646\u0627\u060c \u0686\u0631\u0627 \u06a9\u0647 \u0646\u0647.<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0648\u0642\u062a\u06cc \u062f\u0648 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f\u061f \u0634\u0645\u0627 \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u062e\u0637\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f \u0646\u0647 \u0641\u0642\u0637 … \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u06cc \u067e\u06cc\u0648\u0646\u062f\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">]<\/span> <span class=\"o\">+<\/span> <span class=\"p\">[<\/span><span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">]);<\/span> <span class=\"c1\">\/\/ \"1,23,4\"<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0627\u0636\u0627\u0641\u0647 \u0646\u06cc\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0632\u062e\u0631\u0641 \u0627\u0633\u062a \u0627\u0645\u0627 \u0647\u06cc\u060c \u0627\u06cc\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0627\u06cc \u0634\u0645\u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_True_True_2\"><\/span>\n<p> 3. <code>True + True = 2<\/code>?<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 \u062e\u0648\u062f \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">true<\/span> <span class=\"o\">+<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ 2<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0644\u0647 \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 true \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 1 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c <strong>“\u0631\u06cc\u0627\u0636\u06cc \u0627\u06cc\u0646\u062c\u0627 \u0645\u0639\u0646\u0627 \u062f\u0627\u0631\u062f!”<\/strong> \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0648\u0627\u0646\u0645\u0648\u062f \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0627\u0631\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_%D8%A7%D8%B3%D8%B1%D8%A7%D8%B1_%D8%A2%D9%85%DB%8C%D8%B2_undefined_%D9%88_null\"><\/span>\n<p> 4. \u0627\u0633\u0631\u0627\u0631 \u0622\u0645\u06cc\u0632 <code>undefined<\/code> \u0648 <code>null<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>undefined<\/code> \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0686\u06cc\u0632\u06cc \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a. <code>null<\/code> \u06cc\u0639\u0646\u06cc \u062e\u0627\u0644\u06cc\u0647<br \/>\u0627\u0645\u0627 \u0622\u06cc\u0627 \u0622\u0646\u0647\u0627 \u06cc\u06a9\u0633\u0627\u0646 \u0647\u0633\u062a\u0646\u062f\u061f \u062e\u06cc\u0631<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">==<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">===<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ false<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u06af\u06cc\u062c \u0634\u062f\u0647\u061f \u0645\u0646 \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0628\u0648\u062f\u0645. \u0648 \u0647\u0631 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u062c\u062f\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_this_%D9%85%D8%B4%DA%A9%D9%84\"><\/span>\n<p> 5 <code>this<\/code> \u0645\u0634\u06a9\u0644<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0622\u0647\u060c <code>this<\/code>. \u0622\u0641\u062a \u06cc\u0627\u062f\u06af\u06cc\u0631\u0646\u062f\u06af\u0627\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a. \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u06cc\u0646\u0647\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a. \u062f\u0631 \u062f\u06cc\u06af\u0631\u06cc\u060c \u0622\u0646 \u0627\u0633\u062a <code>undefined<\/code>. \u062f\u0631 \u062a\u0627\u0628\u0639 \u0641\u0644\u0634\u061f \u06a9\u0644\u0627 \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0647 \u0627\u06cc\u0647<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">obj<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\n <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">JavaScript<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\n <span class=\"na\">regular<\/span><span class=\"p\">:<\/span> <span class=\"nf\">function <\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n <span class=\"na\">arrow<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=><\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n<span class=\"p\">};<\/span>\n\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">regular<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ \"JavaScript\"<\/span>\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">arrow<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ <\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0647\u0631 \u0648\u0642\u062a \u0641\u06a9\u0631 \u0645\u06cc\u06a9\u0646\u06cc \u0641\u0647\u0645\u06cc\u062f\u06cc <code>this<\/code>\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0631\u0634 \u0631\u0627 \u0627\u0632 \u0632\u06cc\u0631 \u0634\u0645\u0627 \u0628\u06cc\u0631\u0648\u0646 \u0645\u06cc \u06a9\u0634\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Double_Equals_Is_Lazy\"><\/span>\n<p> 6. Double Equals Is Lazy<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c <code>==<\/code> \u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 \u0646\u0648\u0639 \u0627\u0647\u0645\u06cc\u062a \u0646\u0645\u06cc \u062f\u0647\u062f \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u062e\u0648\u0628 \u0627\u0633\u062a … \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u0628\u0627\u0634\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">0<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"p\">[]);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([]<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0647 \u062e\u0648\u062f\u062a\u0627\u0646 \u0644\u0637\u0641\u06cc \u06a9\u0646\u06cc\u062f: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>===<\/code> \u062f\u0631 \u0639\u0648\u0636 \u0647\u0645\u06cc\u0634\u0647.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"7_%D8%A8%DB%8C_%D9%86%D9%87%D8%A7%DB%8C%D8%AA_%DB%8C%DA%A9_%D8%B9%D8%AF%D8%AF_%D8%A7%D8%B3%D8%AA\"><\/span>\n<p> 7. \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u06cc\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a. \u0686\u0647 \u0686\u06cc\u0632\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0632 \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0645\u0646\u0641\u06cc. \u0648 \u0628\u0644\u0647\u060c \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0622\u0646\u0647\u0627 \u0631\u06cc\u0627\u0636\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">-<\/span> <span class=\"kc\">Infinity<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ NaN<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">><\/span> <span class=\"mi\">1000000<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0642\u0637 \u0628\u0647 \u0637\u0648\u0631 \u0627\u062a\u0641\u0627\u0642\u06cc \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0633\u0628\u06cc \u0627\u0633\u062a.<\/p>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0622\u06cc\u0627 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u062f\u0631 \u06a9\u062f\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u0627 \u0632\u0627\u0646\u0648 \u0631\u0641\u062a\u0647 \u0627\u06cc\u062f \u0648 \u0627\u0632 \u062e\u0648\u062f \u067e\u0631\u0633\u06cc\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0644\u06cc\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u061f \u062f\u0631 \u0627\u06cc\u0646 \u0648\u0628\u0644\u0627\u06af 4 \u0631\u0648\u0634 \u0645\u062e\u062a\u0644\u0641 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Ftime-events-in-javascript-a-guide.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0634\u06af\u0641\u062a \u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a\u060c \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u061f \u0627\u06cc\u0646 \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u0648 \u0632\u0646\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u062c\u0627\u0644\u0628 \u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0622\u0646 Time Events \u0627\u0633\u062a. \u0627\u06af\u0631 \u0641\u0646\u06cc \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f \u0646\u06af\u0631\u0627\u0646 \u0646\u0628\u0627\u0634\u06cc\u062f. \u0645\u0646 \u0622\u0646 \u0631\u0627 \u062e\u0631\u0627\u0628 \u0645\u06cc \u06a9\u0646\u0645.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Fjavascript-splice-the-ultimate-array-method.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0631\u0648\u0634 \u0627\u0633\u067e\u0644\u0627\u06cc\u0633 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a\u0627\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a! \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u062f\u0648\u0646 \u0632\u062d\u0645\u062a \u0627\u0636\u0627\u0641\u0647\u060c \u062d\u0630\u0641 \u0648 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f. \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0646\u0647\u0627\u06cc\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D8%B1%D8%A7_%D9%85%D8%A7_%D8%A2%D9%86_%D8%B1%D8%A7_%D8%A8%D9%87_%D9%87%D8%B1_%D8%AD%D8%A7%D9%84_%D8%AF%D9%88%D8%B3%D8%AA_%D8%AF%D8%A7%D8%B1%DB%8C%D9%85\"><\/span>\n<p> \u0686\u0631\u0627 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0647\u0631 \u062d\u0627\u0644 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u062a\u0645\u0627\u0645 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u0634\u2026 \u0634\u06af\u0641\u062a\u200c\u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0633\u0627\u0632\u06cc\u062f\u060c \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u062d\u062a\u06cc \u0631\u0628\u0627\u062a \u0647\u0627 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u06cc\u062f! \u06a9\u0645\u06cc \u062f\u06cc\u0648\u0627\u0646\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0628\u062e\u0634\u06cc \u0627\u0632 \u062c\u0630\u0627\u0628\u06cc\u062a \u0622\u0646 \u0627\u0633\u062a.<\/p>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0645\u0627 \u0635\u0628\u0631 \u0645\u06cc \u0622\u0645\u0648\u0632\u062f\u060c \u0645\u0627 \u0631\u0627 \u0645\u06cc \u062e\u0646\u062f\u0627\u0646\u062f (\u0648 \u06af\u0631\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645)\u060c \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f. \u0639\u062c\u06cc\u0628 \u0628\u0648\u062f\u0646 \u0631\u0627 \u062f\u0631 \u0622\u063a\u0648\u0634 \u0628\u06af\u06cc\u0631\u06cc\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0632\u0628\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0647\u0645\u0647 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645 \u0648 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0635\u0641\u062d\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0622\u0646 \u067e\u0631\u062a\u0627\u0628 \u06a9\u0646\u06cc\u0645. \u0647\u0645\u0647 \u062c\u0627 \u0647\u0633\u062a! \u0627\u0632 \u0631\u0642\u0635\u06cc\u062f\u0646 \u062f\u06a9\u0645\u0647\u200c\u0647\u0627\u06cc\u062a\u0627\u0646 \u062a\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0648\u0628\u200c\u0633\u0627\u06cc\u062a\u062a\u0627\u0646 \u062f\u0631 \u0633\u0627\u0639\u062a 2 \u0635\u0628\u062d \u0628\u0647 \u062f\u0644\u0627\u06cc\u0644\u06cc \u06a9\u0647 \u0647\u06cc\u0686\u200c\u06a9\u0633 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062a\u0648\u0636\u06cc\u062d \u062f\u0647\u062f. \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a …<\/p>\n","protected":false},"author":2,"featured_media":89230,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-89229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=89229"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/89230"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=89229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=89229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=89229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\u201cNaN\u201d<\/code> \u0645\u062e\u0641\u0641 \u201cNot a Number,\u201d<\/code> \u0627\u0645\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0639\u062f\u062f \u0637\u0628\u0642\u0647 \u0628\u0646\u062f\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0645\u062b\u0644 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0633\u06cc \u0628\u06af\u0648\u06cc\u062f “\u0645\u0646 \u06af\u0631\u0633\u0646\u0647 \u0646\u06cc\u0633\u062a\u0645 … \u0627\u0645\u0627 \u0628\u06cc\u0627 \u0628\u0631\u06cc\u0645 \u0628\u062e\u0648\u0631\u06cc\u0645.”<\/strong><\/p>\n\nconsole<\/span>.<\/span>log<\/span>(<\/span>typeof<\/span> NaN<\/span>);<\/span> \/\/ \"number\"<\/span>\n<\/code><\/pre>\n\n\n \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0686\u0631\u0627\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u061f \u0686\u0631\u0627\u061f<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_%D8%A7%D8%B6%D8%A7%D9%81%D9%87_%DA%A9%D8%B1%D8%AF%D9%86_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7%D8%9F_%D9%85%D8%B7%D9%85%D8%A6%D9%86%D8%A7%D8%8C_%DA%86%D8%B1%D8%A7_%DA%A9%D9%87_%D9%86%D9%87\"><\/span>\n<p> 2. \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u061f \u0645\u0637\u0645\u0626\u0646\u0627\u060c \u0686\u0631\u0627 \u06a9\u0647 \u0646\u0647.<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0648\u0642\u062a\u06cc \u062f\u0648 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f\u061f \u0634\u0645\u0627 \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u062e\u0637\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f \u0646\u0647 \u0641\u0642\u0637 … \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u06cc \u067e\u06cc\u0648\u0646\u062f\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">]<\/span> <span class=\"o\">+<\/span> <span class=\"p\">[<\/span><span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">]);<\/span> <span class=\"c1\">\/\/ \"1,23,4\"<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0627\u0636\u0627\u0641\u0647 \u0646\u06cc\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0632\u062e\u0631\u0641 \u0627\u0633\u062a \u0627\u0645\u0627 \u0647\u06cc\u060c \u0627\u06cc\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0627\u06cc \u0634\u0645\u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_True_True_2\"><\/span>\n<p> 3. <code>True + True = 2<\/code>?<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 \u062e\u0648\u062f \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">true<\/span> <span class=\"o\">+<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ 2<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0644\u0647 \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 true \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 1 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c <strong>“\u0631\u06cc\u0627\u0636\u06cc \u0627\u06cc\u0646\u062c\u0627 \u0645\u0639\u0646\u0627 \u062f\u0627\u0631\u062f!”<\/strong> \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0648\u0627\u0646\u0645\u0648\u062f \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0627\u0631\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_%D8%A7%D8%B3%D8%B1%D8%A7%D8%B1_%D8%A2%D9%85%DB%8C%D8%B2_undefined_%D9%88_null\"><\/span>\n<p> 4. \u0627\u0633\u0631\u0627\u0631 \u0622\u0645\u06cc\u0632 <code>undefined<\/code> \u0648 <code>null<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>undefined<\/code> \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0686\u06cc\u0632\u06cc \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a. <code>null<\/code> \u06cc\u0639\u0646\u06cc \u062e\u0627\u0644\u06cc\u0647<br \/>\u0627\u0645\u0627 \u0622\u06cc\u0627 \u0622\u0646\u0647\u0627 \u06cc\u06a9\u0633\u0627\u0646 \u0647\u0633\u062a\u0646\u062f\u061f \u062e\u06cc\u0631<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">==<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">===<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ false<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u06af\u06cc\u062c \u0634\u062f\u0647\u061f \u0645\u0646 \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0628\u0648\u062f\u0645. \u0648 \u0647\u0631 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u062c\u062f\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_this_%D9%85%D8%B4%DA%A9%D9%84\"><\/span>\n<p> 5 <code>this<\/code> \u0645\u0634\u06a9\u0644<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0622\u0647\u060c <code>this<\/code>. \u0622\u0641\u062a \u06cc\u0627\u062f\u06af\u06cc\u0631\u0646\u062f\u06af\u0627\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a. \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u06cc\u0646\u0647\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a. \u062f\u0631 \u062f\u06cc\u06af\u0631\u06cc\u060c \u0622\u0646 \u0627\u0633\u062a <code>undefined<\/code>. \u062f\u0631 \u062a\u0627\u0628\u0639 \u0641\u0644\u0634\u061f \u06a9\u0644\u0627 \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0647 \u0627\u06cc\u0647<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">obj<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\n <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">JavaScript<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\n <span class=\"na\">regular<\/span><span class=\"p\">:<\/span> <span class=\"nf\">function <\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n <span class=\"na\">arrow<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=><\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n<span class=\"p\">};<\/span>\n\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">regular<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ \"JavaScript\"<\/span>\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">arrow<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ <\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0647\u0631 \u0648\u0642\u062a \u0641\u06a9\u0631 \u0645\u06cc\u06a9\u0646\u06cc \u0641\u0647\u0645\u06cc\u062f\u06cc <code>this<\/code>\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0631\u0634 \u0631\u0627 \u0627\u0632 \u0632\u06cc\u0631 \u0634\u0645\u0627 \u0628\u06cc\u0631\u0648\u0646 \u0645\u06cc \u06a9\u0634\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Double_Equals_Is_Lazy\"><\/span>\n<p> 6. Double Equals Is Lazy<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c <code>==<\/code> \u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 \u0646\u0648\u0639 \u0627\u0647\u0645\u06cc\u062a \u0646\u0645\u06cc \u062f\u0647\u062f \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u062e\u0648\u0628 \u0627\u0633\u062a … \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u0628\u0627\u0634\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">0<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"p\">[]);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([]<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0647 \u062e\u0648\u062f\u062a\u0627\u0646 \u0644\u0637\u0641\u06cc \u06a9\u0646\u06cc\u062f: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>===<\/code> \u062f\u0631 \u0639\u0648\u0636 \u0647\u0645\u06cc\u0634\u0647.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"7_%D8%A8%DB%8C_%D9%86%D9%87%D8%A7%DB%8C%D8%AA_%DB%8C%DA%A9_%D8%B9%D8%AF%D8%AF_%D8%A7%D8%B3%D8%AA\"><\/span>\n<p> 7. \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u06cc\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a. \u0686\u0647 \u0686\u06cc\u0632\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0632 \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0645\u0646\u0641\u06cc. \u0648 \u0628\u0644\u0647\u060c \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0622\u0646\u0647\u0627 \u0631\u06cc\u0627\u0636\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">-<\/span> <span class=\"kc\">Infinity<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ NaN<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">><\/span> <span class=\"mi\">1000000<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0642\u0637 \u0628\u0647 \u0637\u0648\u0631 \u0627\u062a\u0641\u0627\u0642\u06cc \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0633\u0628\u06cc \u0627\u0633\u062a.<\/p>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0622\u06cc\u0627 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u062f\u0631 \u06a9\u062f\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u0627 \u0632\u0627\u0646\u0648 \u0631\u0641\u062a\u0647 \u0627\u06cc\u062f \u0648 \u0627\u0632 \u062e\u0648\u062f \u067e\u0631\u0633\u06cc\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0644\u06cc\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u061f \u062f\u0631 \u0627\u06cc\u0646 \u0648\u0628\u0644\u0627\u06af 4 \u0631\u0648\u0634 \u0645\u062e\u062a\u0644\u0641 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Ftime-events-in-javascript-a-guide.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0634\u06af\u0641\u062a \u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a\u060c \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u061f \u0627\u06cc\u0646 \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u0648 \u0632\u0646\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u062c\u0627\u0644\u0628 \u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0622\u0646 Time Events \u0627\u0633\u062a. \u0627\u06af\u0631 \u0641\u0646\u06cc \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f \u0646\u06af\u0631\u0627\u0646 \u0646\u0628\u0627\u0634\u06cc\u062f. \u0645\u0646 \u0622\u0646 \u0631\u0627 \u062e\u0631\u0627\u0628 \u0645\u06cc \u06a9\u0646\u0645.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Fjavascript-splice-the-ultimate-array-method.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0631\u0648\u0634 \u0627\u0633\u067e\u0644\u0627\u06cc\u0633 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a\u0627\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a! \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u062f\u0648\u0646 \u0632\u062d\u0645\u062a \u0627\u0636\u0627\u0641\u0647\u060c \u062d\u0630\u0641 \u0648 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f. \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0646\u0647\u0627\u06cc\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D8%B1%D8%A7_%D9%85%D8%A7_%D8%A2%D9%86_%D8%B1%D8%A7_%D8%A8%D9%87_%D9%87%D8%B1_%D8%AD%D8%A7%D9%84_%D8%AF%D9%88%D8%B3%D8%AA_%D8%AF%D8%A7%D8%B1%DB%8C%D9%85\"><\/span>\n<p> \u0686\u0631\u0627 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0647\u0631 \u062d\u0627\u0644 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u062a\u0645\u0627\u0645 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u0634\u2026 \u0634\u06af\u0641\u062a\u200c\u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0633\u0627\u0632\u06cc\u062f\u060c \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u062d\u062a\u06cc \u0631\u0628\u0627\u062a \u0647\u0627 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u06cc\u062f! \u06a9\u0645\u06cc \u062f\u06cc\u0648\u0627\u0646\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0628\u062e\u0634\u06cc \u0627\u0632 \u062c\u0630\u0627\u0628\u06cc\u062a \u0622\u0646 \u0627\u0633\u062a.<\/p>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0645\u0627 \u0635\u0628\u0631 \u0645\u06cc \u0622\u0645\u0648\u0632\u062f\u060c \u0645\u0627 \u0631\u0627 \u0645\u06cc \u062e\u0646\u062f\u0627\u0646\u062f (\u0648 \u06af\u0631\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645)\u060c \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f. \u0639\u062c\u06cc\u0628 \u0628\u0648\u062f\u0646 \u0631\u0627 \u062f\u0631 \u0622\u063a\u0648\u0634 \u0628\u06af\u06cc\u0631\u06cc\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0632\u0628\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0647\u0645\u0647 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645 \u0648 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0635\u0641\u062d\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0622\u0646 \u067e\u0631\u062a\u0627\u0628 \u06a9\u0646\u06cc\u0645. \u0647\u0645\u0647 \u062c\u0627 \u0647\u0633\u062a! \u0627\u0632 \u0631\u0642\u0635\u06cc\u062f\u0646 \u062f\u06a9\u0645\u0647\u200c\u0647\u0627\u06cc\u062a\u0627\u0646 \u062a\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0648\u0628\u200c\u0633\u0627\u06cc\u062a\u062a\u0627\u0646 \u062f\u0631 \u0633\u0627\u0639\u062a 2 \u0635\u0628\u062d \u0628\u0647 \u062f\u0644\u0627\u06cc\u0644\u06cc \u06a9\u0647 \u0647\u06cc\u0686\u200c\u06a9\u0633 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062a\u0648\u0636\u06cc\u062d \u062f\u0647\u062f. \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a …<\/p>\n","protected":false},"author":2,"featured_media":89230,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-89229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=89229"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/89230"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=89229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=89229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=89229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\u201cNot a Number,\u201d<\/code> \u0627\u0645\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0639\u062f\u062f \u0637\u0628\u0642\u0647 \u0628\u0646\u062f\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0645\u062b\u0644 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0633\u06cc \u0628\u06af\u0648\u06cc\u062f “\u0645\u0646 \u06af\u0631\u0633\u0646\u0647 \u0646\u06cc\u0633\u062a\u0645 … \u0627\u0645\u0627 \u0628\u06cc\u0627 \u0628\u0631\u06cc\u0645 \u0628\u062e\u0648\u0631\u06cc\u0645.”<\/strong><\/p>\n\nconsole<\/span>.<\/span>log<\/span>(<\/span>typeof<\/span> NaN<\/span>);<\/span> \/\/ \"number\"<\/span>\n<\/code><\/pre>\n\n\n \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0686\u0631\u0627\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u061f \u0686\u0631\u0627\u061f<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_%D8%A7%D8%B6%D8%A7%D9%81%D9%87_%DA%A9%D8%B1%D8%AF%D9%86_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7%D8%9F_%D9%85%D8%B7%D9%85%D8%A6%D9%86%D8%A7%D8%8C_%DA%86%D8%B1%D8%A7_%DA%A9%D9%87_%D9%86%D9%87\"><\/span>\n<p> 2. \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u061f \u0645\u0637\u0645\u0626\u0646\u0627\u060c \u0686\u0631\u0627 \u06a9\u0647 \u0646\u0647.<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0648\u0642\u062a\u06cc \u062f\u0648 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f\u061f \u0634\u0645\u0627 \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u062e\u0637\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f \u0646\u0647 \u0641\u0642\u0637 … \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u06cc \u067e\u06cc\u0648\u0646\u062f\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">]<\/span> <span class=\"o\">+<\/span> <span class=\"p\">[<\/span><span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">]);<\/span> <span class=\"c1\">\/\/ \"1,23,4\"<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0627\u0636\u0627\u0641\u0647 \u0646\u06cc\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0632\u062e\u0631\u0641 \u0627\u0633\u062a \u0627\u0645\u0627 \u0647\u06cc\u060c \u0627\u06cc\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0627\u06cc \u0634\u0645\u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_True_True_2\"><\/span>\n<p> 3. <code>True + True = 2<\/code>?<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 \u062e\u0648\u062f \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">true<\/span> <span class=\"o\">+<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ 2<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0644\u0647 \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 true \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 1 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c <strong>“\u0631\u06cc\u0627\u0636\u06cc \u0627\u06cc\u0646\u062c\u0627 \u0645\u0639\u0646\u0627 \u062f\u0627\u0631\u062f!”<\/strong> \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0648\u0627\u0646\u0645\u0648\u062f \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0627\u0631\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_%D8%A7%D8%B3%D8%B1%D8%A7%D8%B1_%D8%A2%D9%85%DB%8C%D8%B2_undefined_%D9%88_null\"><\/span>\n<p> 4. \u0627\u0633\u0631\u0627\u0631 \u0622\u0645\u06cc\u0632 <code>undefined<\/code> \u0648 <code>null<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>undefined<\/code> \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0686\u06cc\u0632\u06cc \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a. <code>null<\/code> \u06cc\u0639\u0646\u06cc \u062e\u0627\u0644\u06cc\u0647<br \/>\u0627\u0645\u0627 \u0622\u06cc\u0627 \u0622\u0646\u0647\u0627 \u06cc\u06a9\u0633\u0627\u0646 \u0647\u0633\u062a\u0646\u062f\u061f \u062e\u06cc\u0631<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">==<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">===<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ false<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u06af\u06cc\u062c \u0634\u062f\u0647\u061f \u0645\u0646 \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0628\u0648\u062f\u0645. \u0648 \u0647\u0631 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u062c\u062f\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_this_%D9%85%D8%B4%DA%A9%D9%84\"><\/span>\n<p> 5 <code>this<\/code> \u0645\u0634\u06a9\u0644<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0622\u0647\u060c <code>this<\/code>. \u0622\u0641\u062a \u06cc\u0627\u062f\u06af\u06cc\u0631\u0646\u062f\u06af\u0627\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a. \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u06cc\u0646\u0647\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a. \u062f\u0631 \u062f\u06cc\u06af\u0631\u06cc\u060c \u0622\u0646 \u0627\u0633\u062a <code>undefined<\/code>. \u062f\u0631 \u062a\u0627\u0628\u0639 \u0641\u0644\u0634\u061f \u06a9\u0644\u0627 \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0647 \u0627\u06cc\u0647<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">obj<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\n <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">JavaScript<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\n <span class=\"na\">regular<\/span><span class=\"p\">:<\/span> <span class=\"nf\">function <\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n <span class=\"na\">arrow<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=><\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n<span class=\"p\">};<\/span>\n\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">regular<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ \"JavaScript\"<\/span>\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">arrow<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ <\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0647\u0631 \u0648\u0642\u062a \u0641\u06a9\u0631 \u0645\u06cc\u06a9\u0646\u06cc \u0641\u0647\u0645\u06cc\u062f\u06cc <code>this<\/code>\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0631\u0634 \u0631\u0627 \u0627\u0632 \u0632\u06cc\u0631 \u0634\u0645\u0627 \u0628\u06cc\u0631\u0648\u0646 \u0645\u06cc \u06a9\u0634\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Double_Equals_Is_Lazy\"><\/span>\n<p> 6. Double Equals Is Lazy<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c <code>==<\/code> \u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 \u0646\u0648\u0639 \u0627\u0647\u0645\u06cc\u062a \u0646\u0645\u06cc \u062f\u0647\u062f \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u062e\u0648\u0628 \u0627\u0633\u062a … \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u0628\u0627\u0634\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">0<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"p\">[]);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([]<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0647 \u062e\u0648\u062f\u062a\u0627\u0646 \u0644\u0637\u0641\u06cc \u06a9\u0646\u06cc\u062f: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>===<\/code> \u062f\u0631 \u0639\u0648\u0636 \u0647\u0645\u06cc\u0634\u0647.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"7_%D8%A8%DB%8C_%D9%86%D9%87%D8%A7%DB%8C%D8%AA_%DB%8C%DA%A9_%D8%B9%D8%AF%D8%AF_%D8%A7%D8%B3%D8%AA\"><\/span>\n<p> 7. \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u06cc\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a. \u0686\u0647 \u0686\u06cc\u0632\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0632 \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0645\u0646\u0641\u06cc. \u0648 \u0628\u0644\u0647\u060c \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0622\u0646\u0647\u0627 \u0631\u06cc\u0627\u0636\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">-<\/span> <span class=\"kc\">Infinity<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ NaN<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">><\/span> <span class=\"mi\">1000000<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0642\u0637 \u0628\u0647 \u0637\u0648\u0631 \u0627\u062a\u0641\u0627\u0642\u06cc \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0633\u0628\u06cc \u0627\u0633\u062a.<\/p>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0622\u06cc\u0627 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u062f\u0631 \u06a9\u062f\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u0627 \u0632\u0627\u0646\u0648 \u0631\u0641\u062a\u0647 \u0627\u06cc\u062f \u0648 \u0627\u0632 \u062e\u0648\u062f \u067e\u0631\u0633\u06cc\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0644\u06cc\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u061f \u062f\u0631 \u0627\u06cc\u0646 \u0648\u0628\u0644\u0627\u06af 4 \u0631\u0648\u0634 \u0645\u062e\u062a\u0644\u0641 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Ftime-events-in-javascript-a-guide.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0634\u06af\u0641\u062a \u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a\u060c \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u061f \u0627\u06cc\u0646 \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u0648 \u0632\u0646\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u062c\u0627\u0644\u0628 \u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0622\u0646 Time Events \u0627\u0633\u062a. \u0627\u06af\u0631 \u0641\u0646\u06cc \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f \u0646\u06af\u0631\u0627\u0646 \u0646\u0628\u0627\u0634\u06cc\u062f. \u0645\u0646 \u0622\u0646 \u0631\u0627 \u062e\u0631\u0627\u0628 \u0645\u06cc \u06a9\u0646\u0645.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Fjavascript-splice-the-ultimate-array-method.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0631\u0648\u0634 \u0627\u0633\u067e\u0644\u0627\u06cc\u0633 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a\u0627\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a! \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u062f\u0648\u0646 \u0632\u062d\u0645\u062a \u0627\u0636\u0627\u0641\u0647\u060c \u062d\u0630\u0641 \u0648 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f. \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0646\u0647\u0627\u06cc\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D8%B1%D8%A7_%D9%85%D8%A7_%D8%A2%D9%86_%D8%B1%D8%A7_%D8%A8%D9%87_%D9%87%D8%B1_%D8%AD%D8%A7%D9%84_%D8%AF%D9%88%D8%B3%D8%AA_%D8%AF%D8%A7%D8%B1%DB%8C%D9%85\"><\/span>\n<p> \u0686\u0631\u0627 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0647\u0631 \u062d\u0627\u0644 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u062a\u0645\u0627\u0645 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u0634\u2026 \u0634\u06af\u0641\u062a\u200c\u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0633\u0627\u0632\u06cc\u062f\u060c \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u062d\u062a\u06cc \u0631\u0628\u0627\u062a \u0647\u0627 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u06cc\u062f! \u06a9\u0645\u06cc \u062f\u06cc\u0648\u0627\u0646\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0628\u062e\u0634\u06cc \u0627\u0632 \u062c\u0630\u0627\u0628\u06cc\u062a \u0622\u0646 \u0627\u0633\u062a.<\/p>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0645\u0627 \u0635\u0628\u0631 \u0645\u06cc \u0622\u0645\u0648\u0632\u062f\u060c \u0645\u0627 \u0631\u0627 \u0645\u06cc \u062e\u0646\u062f\u0627\u0646\u062f (\u0648 \u06af\u0631\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645)\u060c \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f. \u0639\u062c\u06cc\u0628 \u0628\u0648\u062f\u0646 \u0631\u0627 \u062f\u0631 \u0622\u063a\u0648\u0634 \u0628\u06af\u06cc\u0631\u06cc\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0632\u0628\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0647\u0645\u0647 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645 \u0648 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0635\u0641\u062d\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0622\u0646 \u067e\u0631\u062a\u0627\u0628 \u06a9\u0646\u06cc\u0645. \u0647\u0645\u0647 \u062c\u0627 \u0647\u0633\u062a! \u0627\u0632 \u0631\u0642\u0635\u06cc\u062f\u0646 \u062f\u06a9\u0645\u0647\u200c\u0647\u0627\u06cc\u062a\u0627\u0646 \u062a\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0648\u0628\u200c\u0633\u0627\u06cc\u062a\u062a\u0627\u0646 \u062f\u0631 \u0633\u0627\u0639\u062a 2 \u0635\u0628\u062d \u0628\u0647 \u062f\u0644\u0627\u06cc\u0644\u06cc \u06a9\u0647 \u0647\u06cc\u0686\u200c\u06a9\u0633 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062a\u0648\u0636\u06cc\u062d \u062f\u0647\u062f. \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a …<\/p>\n","protected":false},"author":2,"featured_media":89230,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-89229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=89229"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/89230"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=89229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=89229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=89229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
console<\/span>.<\/span>log<\/span>(<\/span>typeof<\/span> NaN<\/span>);<\/span> \/\/ \"number\"<\/span>\n<\/code><\/pre>\n\n\n \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0686\u0631\u0627\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u061f \u0686\u0631\u0627\u061f<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_%D8%A7%D8%B6%D8%A7%D9%81%D9%87_%DA%A9%D8%B1%D8%AF%D9%86_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7%D8%9F_%D9%85%D8%B7%D9%85%D8%A6%D9%86%D8%A7%D8%8C_%DA%86%D8%B1%D8%A7_%DA%A9%D9%87_%D9%86%D9%87\"><\/span>\n<p> 2. \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u061f \u0645\u0637\u0645\u0626\u0646\u0627\u060c \u0686\u0631\u0627 \u06a9\u0647 \u0646\u0647.<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0648\u0642\u062a\u06cc \u062f\u0648 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f\u061f \u0634\u0645\u0627 \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u062e\u0637\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f \u0646\u0647 \u0641\u0642\u0637 … \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u06cc \u067e\u06cc\u0648\u0646\u062f\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">]<\/span> <span class=\"o\">+<\/span> <span class=\"p\">[<\/span><span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">]);<\/span> <span class=\"c1\">\/\/ \"1,23,4\"<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0627\u0636\u0627\u0641\u0647 \u0646\u06cc\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0632\u062e\u0631\u0641 \u0627\u0633\u062a \u0627\u0645\u0627 \u0647\u06cc\u060c \u0627\u06cc\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0627\u06cc \u0634\u0645\u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_True_True_2\"><\/span>\n<p> 3. <code>True + True = 2<\/code>?<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 \u062e\u0648\u062f \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">true<\/span> <span class=\"o\">+<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ 2<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0644\u0647 \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 true \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 1 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c <strong>“\u0631\u06cc\u0627\u0636\u06cc \u0627\u06cc\u0646\u062c\u0627 \u0645\u0639\u0646\u0627 \u062f\u0627\u0631\u062f!”<\/strong> \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0648\u0627\u0646\u0645\u0648\u062f \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0627\u0631\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_%D8%A7%D8%B3%D8%B1%D8%A7%D8%B1_%D8%A2%D9%85%DB%8C%D8%B2_undefined_%D9%88_null\"><\/span>\n<p> 4. \u0627\u0633\u0631\u0627\u0631 \u0622\u0645\u06cc\u0632 <code>undefined<\/code> \u0648 <code>null<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>undefined<\/code> \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0686\u06cc\u0632\u06cc \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a. <code>null<\/code> \u06cc\u0639\u0646\u06cc \u062e\u0627\u0644\u06cc\u0647<br \/>\u0627\u0645\u0627 \u0622\u06cc\u0627 \u0622\u0646\u0647\u0627 \u06cc\u06a9\u0633\u0627\u0646 \u0647\u0633\u062a\u0646\u062f\u061f \u062e\u06cc\u0631<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">==<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">undefined<\/span> <span class=\"o\">===<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ false<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u06af\u06cc\u062c \u0634\u062f\u0647\u061f \u0645\u0646 \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0628\u0648\u062f\u0645. \u0648 \u0647\u0631 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u062c\u062f\u06cc\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0645 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631 \u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_this_%D9%85%D8%B4%DA%A9%D9%84\"><\/span>\n<p> 5 <code>this<\/code> \u0645\u0634\u06a9\u0644<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0622\u0647\u060c <code>this<\/code>. \u0622\u0641\u062a \u06cc\u0627\u062f\u06af\u06cc\u0631\u0646\u062f\u06af\u0627\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a. \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u06cc\u0646\u0647\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a. \u062f\u0631 \u062f\u06cc\u06af\u0631\u06cc\u060c \u0622\u0646 \u0627\u0633\u062a <code>undefined<\/code>. \u062f\u0631 \u062a\u0627\u0628\u0639 \u0641\u0644\u0634\u061f \u06a9\u0644\u0627 \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0647 \u0627\u06cc\u0647<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">obj<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\n <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">JavaScript<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\n <span class=\"na\">regular<\/span><span class=\"p\">:<\/span> <span class=\"nf\">function <\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n <span class=\"na\">arrow<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=><\/span> <span class=\"p\">{<\/span>\n <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">);<\/span>\n <span class=\"p\">},<\/span>\n<span class=\"p\">};<\/span>\n\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">regular<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ \"JavaScript\"<\/span>\n<span class=\"nx\">obj<\/span><span class=\"p\">.<\/span><span class=\"nf\">arrow<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ <\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0647\u0631 \u0648\u0642\u062a \u0641\u06a9\u0631 \u0645\u06cc\u06a9\u0646\u06cc \u0641\u0647\u0645\u06cc\u062f\u06cc <code>this<\/code>\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0631\u0634 \u0631\u0627 \u0627\u0632 \u0632\u06cc\u0631 \u0634\u0645\u0627 \u0628\u06cc\u0631\u0648\u0646 \u0645\u06cc \u06a9\u0634\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Double_Equals_Is_Lazy\"><\/span>\n<p> 6. Double Equals Is Lazy<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c <code>==<\/code> \u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 \u0646\u0648\u0639 \u0627\u0647\u0645\u06cc\u062a \u0646\u0645\u06cc \u062f\u0647\u062f \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u062e\u0648\u0628 \u0627\u0633\u062a … \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u0628\u0627\u0634\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">0<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span> <span class=\"o\">==<\/span> <span class=\"p\">[]);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">([]<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0647 \u062e\u0648\u062f\u062a\u0627\u0646 \u0644\u0637\u0641\u06cc \u06a9\u0646\u06cc\u062f: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>===<\/code> \u062f\u0631 \u0639\u0648\u0636 \u0647\u0645\u06cc\u0634\u0647.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"7_%D8%A8%DB%8C_%D9%86%D9%87%D8%A7%DB%8C%D8%AA_%DB%8C%DA%A9_%D8%B9%D8%AF%D8%AF_%D8%A7%D8%B3%D8%AA\"><\/span>\n<p> 7. \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u06cc\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a. \u0686\u0647 \u0686\u06cc\u0632\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0632 \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0633\u062a\u061f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0645\u0646\u0641\u06cc. \u0648 \u0628\u0644\u0647\u060c \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0622\u0646\u0647\u0627 \u0631\u06cc\u0627\u0636\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">-<\/span> <span class=\"kc\">Infinity<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ NaN<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"kc\">Infinity<\/span> <span class=\"o\">><\/span> <span class=\"mi\">1000000<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0642\u0637 \u0628\u0647 \u0637\u0648\u0631 \u0627\u062a\u0641\u0627\u0642\u06cc \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0633\u0628\u06cc \u0627\u0633\u062a.<\/p>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0622\u06cc\u0627 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u062f\u0631 \u06a9\u062f\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u0627 \u0632\u0627\u0646\u0648 \u0631\u0641\u062a\u0647 \u0627\u06cc\u062f \u0648 \u0627\u0632 \u062e\u0648\u062f \u067e\u0631\u0633\u06cc\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0644\u06cc\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u061f \u062f\u0631 \u0627\u06cc\u0646 \u0648\u0628\u0644\u0627\u06af 4 \u0631\u0648\u0634 \u0645\u062e\u062a\u0644\u0641 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Ftime-events-in-javascript-a-guide.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0634\u06af\u0641\u062a \u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a\u060c \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a\u061f \u0627\u06cc\u0646 \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u0648 \u0632\u0646\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u062c\u0627\u0644\u0628 \u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0622\u0646 Time Events \u0627\u0633\u062a. \u0627\u06af\u0631 \u0641\u0646\u06cc \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f \u0646\u06af\u0631\u0627\u0646 \u0646\u0628\u0627\u0634\u06cc\u062f. \u0645\u0646 \u0622\u0646 \u0631\u0627 \u062e\u0631\u0627\u0628 \u0645\u06cc \u06a9\u0646\u0645.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2F%2Fblogs%2Fjavascript-splice-the-ultimate-array-method.png\" height=\"450\" loading=\"lazy\" class=\"m-0\" width=\"800\" title=\"\"><\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p> \u0631\u0648\u0634 \u0627\u0633\u067e\u0644\u0627\u06cc\u0633 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a\u0627\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a! \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u062f\u0648\u0646 \u0632\u062d\u0645\u062a \u0627\u0636\u0627\u0641\u0647\u060c \u062d\u0630\u0641 \u0648 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f. \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0646\u0647\u0627\u06cc\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.\n <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Ftajammalmaqbool.com%2Ffavicon.ico\" loading=\"lazy\" width=\"800\" height=\"400\" title=\"\"><br \/>\n tajammalmaqbool.com\n <\/div>\n<\/p><\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D8%B1%D8%A7_%D9%85%D8%A7_%D8%A2%D9%86_%D8%B1%D8%A7_%D8%A8%D9%87_%D9%87%D8%B1_%D8%AD%D8%A7%D9%84_%D8%AF%D9%88%D8%B3%D8%AA_%D8%AF%D8%A7%D8%B1%DB%8C%D9%85\"><\/span>\n<p> \u0686\u0631\u0627 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0647\u0631 \u062d\u0627\u0644 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u062a\u0645\u0627\u0645 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u0634\u2026 \u0634\u06af\u0641\u062a\u200c\u0627\u0646\u06af\u06cc\u0632 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0633\u0627\u0632\u06cc\u062f\u060c \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u0631\u0627 \u062a\u0639\u0627\u0645\u0644\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u062d\u062a\u06cc \u0631\u0628\u0627\u062a \u0647\u0627 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u06cc\u062f! \u06a9\u0645\u06cc \u062f\u06cc\u0648\u0627\u0646\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0628\u062e\u0634\u06cc \u0627\u0632 \u062c\u0630\u0627\u0628\u06cc\u062a \u0622\u0646 \u0627\u0633\u062a.<\/p>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0645\u0627 \u0635\u0628\u0631 \u0645\u06cc \u0622\u0645\u0648\u0632\u062f\u060c \u0645\u0627 \u0631\u0627 \u0645\u06cc \u062e\u0646\u062f\u0627\u0646\u062f (\u0648 \u06af\u0631\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645)\u060c \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f. \u0639\u062c\u06cc\u0628 \u0628\u0648\u062f\u0646 \u0631\u0627 \u062f\u0631 \u0622\u063a\u0648\u0634 \u0628\u06af\u06cc\u0631\u06cc\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0632\u0628\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0647\u0645\u0647 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u0645 \u0648 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0635\u0641\u062d\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0622\u0646 \u067e\u0631\u062a\u0627\u0628 \u06a9\u0646\u06cc\u0645. \u0647\u0645\u0647 \u062c\u0627 \u0647\u0633\u062a! \u0627\u0632 \u0631\u0642\u0635\u06cc\u062f\u0646 \u062f\u06a9\u0645\u0647\u200c\u0647\u0627\u06cc\u062a\u0627\u0646 \u062a\u0627 \u0634\u06a9\u0633\u062a\u0646 \u0648\u0628\u200c\u0633\u0627\u06cc\u062a\u062a\u0627\u0646 \u062f\u0631 \u0633\u0627\u0639\u062a 2 \u0635\u0628\u062d \u0628\u0647 \u062f\u0644\u0627\u06cc\u0644\u06cc \u06a9\u0647 \u0647\u06cc\u0686\u200c\u06a9\u0633 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062a\u0648\u0636\u06cc\u062d \u062f\u0647\u062f. \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a …<\/p>\n","protected":false},"author":2,"featured_media":89230,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-89229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=89229"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/89229\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/89230"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=89229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=89229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=89229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}