{"id":83332,"date":"2024-11-11T05:41:54","date_gmt":"2024-11-11T02:11:54","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/5-essential-javascript-methods-every-beginner-should-know-4p7f\/"},"modified":"2024-11-11T05:41:54","modified_gmt":"2024-11-11T02:11:54","slug":"5-essential-javascript-methods-every-beginner-should-know-4p7f","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/5-essential-javascript-methods-every-beginner-should-know-4p7f\/","title":{"rendered":"5 \u0631\u0648\u0634 \u0636\u0631\u0648\u0631\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06a9\u0647 \u0647\u0631 \u0645\u0628\u062a\u062f\u06cc \u0628\u0627\u06cc\u062f \u0628\u062f\u0627\u0646\u062f"},"content":{"rendered":"<p>Summarize this content to 400 words in Persian Lang<br \/>\n            \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u0627\u0646\u0646\u062f \u0686\u0627\u0642\u0648\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0627\u0631\u062a\u0634 \u0633\u0648\u0626\u06cc\u0633 \u0627\u0633\u062a &#8211; \u0647\u0645\u0647 \u06a9\u0627\u0631\u0647\u060c \u0636\u0631\u0648\u0631\u06cc \u0648 \u0645\u0645\u0644\u0648 \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0646\u0645\u06cc \u062f\u0627\u0646\u0633\u062a\u06cc\u062f \u0628\u0647 \u0622\u0646\u0647\u0627 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f. \u0627\u0645\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u0628\u062a\u062f\u06cc\u060c \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646 \u062f\u0631 \u062d\u0644\u0642\u0647 \u0647\u0627 \u062f\u0631\u06af\u06cc\u0631 \u0634\u062f \u0648 \u062a\u0648\u0633\u0637 \u06a9\u062f\u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u0648 \u062a\u06a9\u0631\u0627\u0631\u06cc \u063a\u0631\u0642 \u0634\u062f. \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u0628\u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u0633\u062a\u06cc \u0645\u0648\u0627\u0631\u062f \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u062c\u0639\u0628\u0647 \u0627\u0628\u0632\u0627\u0631 \u06a9\u062b\u06cc\u0641 \u062c\u0633\u062a\u062c\u0648 \u06a9\u0646\u06cc\u062f &#8211; \u062e\u0633\u062a\u0647 \u06a9\u0646\u0646\u062f\u0647\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f<\/p>\n<p>\u0627\u06cc\u0646\u062c\u0627\u0633\u062a \u06a9\u0647 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0648\u0627\u0631\u062f \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0627\u06cc\u0646 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062e\u0644\u06cc \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u0631\u0627 \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f\u060c \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u062f \u0648 \u06a9\u0627\u0631\u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0622\u0633\u0627\u0646\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u06cc\u0627\u0646\u0628\u0631\u0647\u0627\u06cc\u06cc \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0632\u0645\u0627\u0646 \u0648 \u062a\u0644\u0627\u0634 \u0634\u0645\u0627 \u0635\u0631\u0641\u0647 \u062c\u0648\u06cc\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f \u0648 \u06a9\u062f\u0647\u0627\u06cc \u0646\u0627\u0645\u0631\u062a\u0628 \u0631\u0627 \u0628\u0647 \u0686\u06cc\u0632\u06cc \u062a\u0645\u06cc\u0632 \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u067e\u0646\u062c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0636\u0631\u0648\u0631\u06cc \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f methods\u2014map()\u060c filter()\u060c reduce()\u060c forEach()\u060c \u0648 find(). \u062a\u0633\u0644\u0637 \u0628\u0631 \u0627\u06cc\u0646\u0647\u0627 \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u0648\u0627\u0636\u062d \u062a\u0631\u060c \u0633\u0631\u06cc\u0639 \u062a\u0631 \u0648 \u0633\u0631\u06af\u0631\u0645 \u06a9\u0646\u0646\u062f\u0647 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>&#8220;\u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062f\u0631\u0628\u0627\u0631\u0647 \u0622\u0646\u0686\u0647 \u0634\u0645\u0627 \u0645\u06cc \u062f\u0627\u0646\u06cc\u062f \u0646\u06cc\u0633\u062a. \u0627\u06cc\u0646 \u062f\u0631 \u0645\u0648\u0631\u062f \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0641\u0647\u0645\u06cc\u062f. \u2013 \u06a9\u0631\u06cc\u0633 \u067e\u0627\u06cc\u0646.<\/p>\n<p>  1. map() \u2013 \u062a\u0628\u062f\u06cc\u0644 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<\/p>\n<p>\u0686\u0647 \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f:\u0646\u0642\u0634\u0647 () \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u062f\u0633\u062a\u06cc\u0627\u0631 \u0634\u062e\u0635\u06cc \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0647\u0627 \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u062f\u060c \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u0648\u0631\u062f \u06cc\u06a9 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f \u0648 \u0644\u06cc\u0633\u062a \u062c\u062f\u06cc\u062f\u06cc \u0631\u0627 \u0628\u0627 \u0646\u062a\u0627\u06cc\u062c \u0628\u0647 \u0634\u0645\u0627 \u062a\u062d\u0648\u06cc\u0644 \u0645\u06cc \u062f\u0647\u062f. \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u062f\u0648\u0646 \u062f\u0633\u062a \u0632\u062f\u0646 \u0628\u0647 \u0627\u0635\u0644 \u0639\u0627\u0644\u06cc \u0627\u0633\u062a.<\/p>\n<p>\u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06cc\u06a9 \u062f\u0633\u062a\u0647 \u0627\u0632 \u062a\u06cc \u0634\u0631\u062a \u0647\u0627\u06cc \u062e\u0627\u0644\u06cc \u062f\u0627\u0631\u06cc\u062f \u0648 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0637\u0631\u062d \u0647\u0627\u06cc\u06cc \u0631\u0627 \u0631\u0648\u06cc \u0647\u0645\u0647 \u0622\u0646\u0647\u0627 \u0686\u0627\u067e \u06a9\u0646\u06cc\u062f. \u0628\u0647 \u062c\u0627\u06cc \u062a\u063a\u06cc\u06cc\u0631 \u067e\u0634\u062a\u0647 \u0627\u0635\u0644\u06cc\u060c \u06cc\u06a9 \u067e\u0634\u062a\u0647 \u062a\u0627\u0632\u0647 \u0628\u0627 \u0637\u0631\u062d \u0647\u0627\u06cc \u0627\u0639\u0645\u0627\u0644 \u0634\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f. \u0646\u0642\u0634\u0647 () \u0628\u0647 \u0627\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u2013 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0622\u06cc\u062a\u0645 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0628\u0647 \u0634\u0645\u0627 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n<p>\u0645\u062b\u0627\u0644:\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0646\u062d\u0648\u0647 \u06cc \u062f\u0648 \u0628\u0631\u0627\u0628\u0631 \u06a9\u0631\u062f\u0646 \u0647\u0631 \u0639\u062f\u062f \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 map():<\/p>\n<p>const numbers = [1, 2, 3, 4];<br \/>\nconst doubled = numbers.map(num =&gt; num * 2);<br \/>\nconsole.log(doubled); \/\/ Output: [2, 4, 6, 8]\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062a\u0641\u06a9\u06cc\u06a9:<\/p>\n<p>numbers: \u0622\u0631\u0627\u06cc\u0647 \u0627\u0635\u0644\u06cc \u062f\u0633\u062a \u0646\u062e\u0648\u0631\u062f\u0647 \u0628\u0627\u0642\u06cc \u0645\u06cc \u0645\u0627\u0646\u062f.<\/p>\n<p>num * 2: \u062a\u0627\u0628\u0639 \u0627\u0639\u0645\u0627\u0644 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631.<\/p>\n<p>doubled: \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647.<\/p>\n<p>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0639\u0645\u0644\u06cc:\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0642\u06cc\u0645\u062a \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0628\u0647 \u062f\u0644\u0627\u0631 \u062f\u0627\u0631\u06cc\u062f \u0648 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0627\u0631\u0632 \u062f\u06cc\u06af\u0631\u06cc \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u062f. \u0628\u0627 map() \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u062a\u0628\u062f\u06cc\u0644 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0645\u0631\u062d\u0644\u0647 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<p>const pricesInUSD = [10, 20, 30];<br \/>\nconst pricesInEUR = pricesInUSD.map(price =&gt; price * 0.85);<br \/>\nconsole.log(pricesInEUR); \/\/ Output: [8.5, 17, 25.5]\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0686\u0631\u0627 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a:map() \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u0627\u0632 \u06a9\u0627\u0631\u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631\u06cc \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0646\u06cc\u062f \u0648 \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u062a\u0645\u06cc\u0632 \u0646\u06af\u0647 \u0645\u06cc \u062f\u0627\u0631\u062f. \u0628\u0647 \u062c\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062d\u0644\u0642\u0647 \u0647\u0627 \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u060c \u0627\u06cc\u0646 \u0631\u0648\u0634 \u06a9\u0627\u0631\u0647\u0627\u06cc \u0633\u0646\u06af\u06cc\u0646 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 map() \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06af\u0631 \u0628\u0647 \u062f\u0646\u0628\u0627\u0644 \u0627\u0635\u0644\u0627\u062d \u062f\u0627\u062f\u0647 \u0647\u0627 \u062f\u0631 \u0645\u062d\u0644 \u0647\u0633\u062a\u06cc\u062f\u060c \u0627\u06cc\u0646 \u0627\u0628\u0632\u0627\u0631 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0646\u06cc\u0633\u062a.<\/p>\n<p>  2. filter() \u2013 \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u0648\u0627\u0631\u062f \u062e\u0627\u0635<\/p>\n<p>\u0686\u0647 \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f:filter() \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0641\u0642\u0637 \u0634\u0627\u0645\u0644 \u0639\u0646\u0627\u0635\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0634\u0631\u0627\u06cc\u0637 \u062e\u0627\u0635\u06cc \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0628\u0647 \u0622\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u062c\u0633\u0627\u0631\u062a \u062f\u0631 \u06cc\u06a9 \u0628\u0627\u0634\u06af\u0627\u0647 \u0641\u06a9\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0641\u0642\u0637 \u0628\u0647 \u06a9\u0633\u0627\u0646\u06cc \u0627\u062c\u0627\u0632\u0647 \u0648\u0631\u0648\u062f \u0628\u0647 \u0622\u0646 \u0647\u0627 \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0628\u0627 \u0645\u0639\u06cc\u0627\u0631\u0647\u0627 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u0646\u062f.<\/p>\n<p>\u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0645\u062f \u0644\u0628\u0627\u0633 \u062e\u0648\u062f \u0631\u0627 \u0645\u0631\u062a\u0628 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0641\u0642\u0637 \u0644\u0628\u0627\u0633 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u0646\u06af\u0647 \u0645\u06cc \u062f\u0627\u0631\u06cc\u062f \u06a9\u0647 \u06a9\u0627\u0645\u0644\u0627\u064b \u0645\u0646\u0627\u0633\u0628 \u0634\u0645\u0627 \u0647\u0633\u062a\u0646\u062f. filter() \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u0641\u0642\u0637 \u0622\u0646\u0686\u0647 \u0631\u0627 \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f \u0648 \u0628\u0642\u06cc\u0647 \u0631\u0627 \u06a9\u0646\u0627\u0631 \u0628\u06af\u0630\u0627\u0631\u06cc\u062f &#8211; \u0633\u0627\u062f\u0647 \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f.<\/p>\n<p>\u0645\u062b\u0627\u0644:\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0639\u062f\u0627\u062f \u0632\u0648\u062c \u0631\u0627 \u0627\u0632 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u0645:<\/p>\n<p>const numbers = [1, 2, 3, 4, 5];<br \/>\nconst oddNumbers = numbers.filter(num =&gt; num % 2 !== 0);<br \/>\nconsole.log(oddNumbers); \/\/ Output: [1, 3, 5]\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062a\u0641\u06a9\u06cc\u06a9:<\/p>\n<p>numbers: \u0622\u0631\u0627\u06cc\u0647 \u0627\u0635\u0644\u06cc \u062f\u0633\u062a \u0646\u062e\u0648\u0631\u062f\u0647 \u0628\u0627\u0642\u06cc \u0645\u06cc \u0645\u0627\u0646\u062f.<\/p>\n<p>\u0648\u0636\u0639\u06cc\u062a: num % 2 !== 0  \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0639\u062f\u062f \u0641\u0631\u062f \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631.<\/p>\n<p>\u0646\u062a\u06cc\u062c\u0647: \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f\u060c oddNumbers\u060c \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0641\u06cc\u0644\u062a\u0631 \u0634\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0639\u0645\u0644\u06cc:\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0641\u0647\u0631\u0633\u062a\u06cc \u0627\u0632 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u0648 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u0642\u0644\u0627\u0645\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u0648\u062c\u0648\u062f\u06cc \u0646\u062f\u0627\u0631\u0646\u062f \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>const products = [<br \/>\n  { name: &#8216;Laptop&#8217;, inStock: true },<br \/>\n  { name: &#8216;Phone&#8217;, inStock: false },<br \/>\n  { name: &#8216;Tablet&#8217;, inStock: true }<br \/>\n];<\/p>\n<p>const availableProducts = products.filter(product =&gt; product.inStock);<br \/>\nconsole.log(availableProducts);<br \/>\n\/\/ Output: [{ name: &#8216;Laptop&#8217;, inStock: true }, { name: &#8216;Tablet&#8217;, inStock: true }]\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0632\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646:<\/p>\n<p>\u0641\u0642\u0637 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0631\u062a\u0628\u0637 \u0631\u0627 \u0627\u0632 \u06cc\u06a9 \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u06a9\u0646\u06cc\u062f.<br \/>\n\u0641\u0631\u0622\u06cc\u0646\u062f\u0647\u0627 \u0631\u0627 \u062a\u0646\u0647\u0627 \u0628\u0627 \u06a9\u0627\u0631 \u06a9\u0631\u062f\u0646 \u0628\u0627 \u0622\u0646\u0686\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0686\u0631\u0627 \u0645\u0628\u062a\u062f\u06cc\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u0646\u062f:\u0628\u0631\u062e\u0644\u0627\u0641 \u062d\u0644\u0642\u0647 \u0647\u0627\u060c filter() \u0633\u0631\u0631\u0627\u0633\u062a \u0627\u0633\u062a \u0627\u062d\u062a\u0645\u0627\u0644 \u062e\u0637\u0627 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f \u0648 \u0628\u0627 \u06a9\u062f \u06a9\u0645\u062a\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u0686\u06cc\u0632\u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u062f\u0633\u062a \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  3. reduce() &#8211; \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627<\/p>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f\u060c \u0634\u0645\u0627 \u062f\u0631 \u06cc\u06a9 \u0628\u0627\u062c\u0647 \u0641\u0631\u0648\u0634\u06af\u0627\u0647 \u0645\u0648\u0627\u062f \u063a\u0630\u0627\u06cc\u06cc \u0647\u0633\u062a\u06cc\u062f \u0648 \u0635\u0646\u062f\u0648\u0642\u062f\u0627\u0631 \u062f\u0631 \u062d\u0627\u0644 \u062c\u0645\u0639 \u06a9\u0631\u062f\u0646 \u0642\u06cc\u0645\u062a \u062a\u0645\u0627\u0645 \u0627\u0642\u0644\u0627\u0645 \u0634\u0645\u0627 \u0627\u0633\u062a \u062a\u0627 \u06a9\u0644 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0628\u062f\u0647\u062f. \u062f\u0642\u06cc\u0642\u0627 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631\u0647 reduce() \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f &#8211; \u0647\u0645\u0647 \u0639\u0646\u0627\u0635\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0648\u0627\u062d\u062f \u062a\u0631\u06a9\u06cc\u0628 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u062c\u0645\u0639\u060c \u0645\u062d\u0635\u0648\u0644 \u06cc\u0627 \u0647\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0633\u0641\u0627\u0631\u0634\u06cc.<\/p>\n<p>\u0686\u0647 \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f:reduce()  \u06cc\u06a9 \u0639\u0646\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0635\u0631 \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0628\u0631 \u0627\u0633\u0627\u0633 \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0634\u0645\u0627 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0622\u0646 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u062e\u0631\u0648\u062c\u06cc \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0645\u062b\u0627\u0644:\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0645\u062c\u0645\u0648\u0639 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<p>const numbers = [5, 10, 15, 20];<br \/>\nconst total = numbers.reduce((accumulator, currentValue) =&gt; accumulator + currentValue, 0);<br \/>\nconsole.log(total); \/\/ Output: 50<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062a\u0641\u06a9\u06cc\u06a9:<\/p>\n<p>accumulator: \u0645\u062c\u0645\u0648\u0639 \u062f\u0631 \u062d\u0627\u0644 \u0627\u0646\u062c\u0627\u0645 \u0631\u0627 \u067e\u06cc\u06af\u06cc\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f (\u0634\u0631\u0648\u0639 \u062f\u0631 0).<\/p>\n<p>currentValue: \u0628\u0647 \u0622\u06cc\u062a\u0645 \u0641\u0639\u0644\u06cc \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0631 \u062d\u0627\u0644 \u067e\u0631\u062f\u0627\u0632\u0634 \u0627\u0634\u0627\u0631\u0647 \u062f\u0627\u0631\u062f.<br \/>\n\u0646\u062a\u06cc\u062c\u0647: \u0647\u0645\u0647 \u0627\u0639\u062f\u0627\u062f \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u062c\u0645\u0639 \u062a\u0631\u06a9\u06cc\u0628 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0639\u0645\u0644\u06cc:\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u062f\u0631 \u062d\u0627\u0644 \u0633\u0627\u062e\u062a \u06cc\u06a9 \u0633\u0628\u062f \u062e\u0631\u06cc\u062f \u0622\u0646\u0644\u0627\u06cc\u0646 \u0647\u0633\u062a\u06cc\u062f. \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0647\u0632\u06cc\u0646\u0647 \u06a9\u0644 \u062a\u0645\u0627\u0645 \u0645\u0648\u0627\u0631\u062f\u06cc \u0631\u0627 \u06a9\u0647 \u06cc\u06a9 \u06a9\u0627\u0631\u0628\u0631 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>const cart = [<br \/>\n  { item: &#8216;Laptop&#8217;, price: 800 },<br \/>\n  { item: &#8216;Headphones&#8217;, price: 50 },<br \/>\n  { item: &#8216;Mouse&#8217;, price: 30 }<br \/>\n];<\/p>\n<p>const totalCost = cart.reduce((acc, product) =&gt; acc + product.price, 0);<br \/>\nconsole.log(totalCost); \/\/ Output: 880<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0686\u0631\u0627 \u062e\u0627\u0635 \u0627\u0633\u062a:reduce()  \u0641\u0642\u0637 \u0628\u0631\u0627\u06cc \u0627\u0639\u062f\u0627\u062f \u0646\u06cc\u0633\u062a &#8211; \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0622\u0646 \u0628\u0631\u0627\u06cc \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<p>\u0631\u0634\u062a\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0627 \u0647\u0645 \u062a\u0631\u06a9\u06cc\u0628 \u06a9\u0646\u06cc\u062f.<br \/>\n\u0645\u0633\u0637\u062d \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<br \/>\n\u0633\u0627\u062e\u062a \u0627\u0634\u06cc\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u0648\u06cc\u0627<\/p>\n<p>\u06cc\u06a9 \u067e\u06cc\u0686 \u0648 \u062a\u0627\u0628 \u0633\u0631\u06af\u0631\u0645 \u06a9\u0646\u0646\u062f\u0647:\u0628\u06cc\u0627\u06cc\u06cc\u062f \u062e\u0644\u0627\u0642 \u0628\u0627\u0634\u06cc\u0645! \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f reduce() \u0628\u0631\u0627\u06cc \u0634\u0645\u0627\u0631\u0634 \u0627\u06cc\u0646\u06a9\u0647 \u0647\u0631 \u062d\u0631\u0641 \u0686\u0646\u062f \u0628\u0627\u0631 \u062f\u0631 \u06cc\u06a9 \u06a9\u0644\u0645\u0647 \u0638\u0627\u0647\u0631 \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<p>const word = &#8216;reduce&#8217;;<br \/>\nconst letterCount = word.split(&#8221;).reduce((acc, letter) =&gt; {<br \/>\n  acc[letter] = (acc[letter] || 0) + 1;<br \/>\n  return acc;<br \/>\n}, {});<\/p>\n<p>console.log(letterCount);<br \/>\n\/\/ Output: { r: 1, e: 2, d: 1, u: 1, c: 1 }<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0686\u0631\u0627 \u0645\u0628\u062a\u062f\u06cc\u0627\u0646 \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u06cc\u0627\u062f \u0628\u06af\u06cc\u0631\u0646\u062f:\u0647\u0631 \u0686\u0646\u062f reduce() \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0631 \u0627\u0628\u062a\u062f\u0627 \u06a9\u0645\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0627\u062d\u0633\u0627\u0633 \u0634\u0648\u062f\u060c \u062a\u0633\u0644\u0637 \u0628\u0631 \u0622\u0646\u060c \u0627\u0645\u06a9\u0627\u0646\u0627\u062a \u0628\u06cc \u067e\u0627\u06cc\u0627\u0646\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0628\u0627\u0632 \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0645\u0627\u0646\u0646\u062f \u0686\u0627\u0642\u0648\u06cc \u0627\u0631\u062a\u0634 \u0633\u0648\u0626\u06cc\u0633 \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647\u200c\u0627\u06cc \u0627\u0633\u062a &#8211; \u0647\u0645\u0647 \u06a9\u0627\u0631\u0647 \u0648 \u0642\u062f\u0631\u062a\u0645\u0646\u062f.<\/p>\n<p>\u00ab\u0627\u0628\u062a\u062f\u0627 \u0645\u0634\u06a9\u0644 \u0631\u0627 \u062d\u0644 \u06a9\u0646\u06cc\u062f. \u0633\u067e\u0633\u060c \u06a9\u062f \u0631\u0627 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f.\u00bb &#8211; \u062c\u0627\u0646 \u062c\u0627\u0646\u0633\u0648\u0646\u0628\u0627 ()reduce\u060c \u0634\u0645\u0627 \u0628\u0627 \u06a9\u062f \u0638\u0631\u06cc\u0641 \u0648 \u06a9\u0645\u06cc\u0646\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u062b\u0631 \u0645\u0634\u06a9\u0644\u0627\u062a \u0631\u0627 \u062d\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  4. forEach() \u2013 \u06cc\u06a9 Workhorse \u062f\u0648\u0633\u062a\u0627\u0646\u0647 \u0628\u0631\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0635\u062d\u0646\u0647 \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u0645:\u062e\u0648\u062f\u062a\u0627\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0633\u0631\u0622\u0634\u067e\u0632 \u062f\u0631 \u0622\u0634\u067e\u0632\u062e\u0627\u0646\u0647 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u0686\u0646\u062f\u06cc\u0646 \u063a\u0630\u0627 \u0631\u0627 \u0622\u0645\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0645\u0648\u0627\u062f \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0644\u06cc\u0633\u062a \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u06cc\u0627\u0632 \u062e\u0631\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0628\u0631\u0634 \u0645\u06cc \u0632\u0646\u06cc\u062f \u06cc\u0627 \u0686\u0627\u0634\u0646\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u062f. \u0634\u0645\u0627 \u062e\u0648\u062f \u0644\u06cc\u0633\u062a \u0645\u0648\u0627\u062f \u062a\u0634\u06a9\u06cc\u0644 \u062f\u0647\u0646\u062f\u0647 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0645\u06cc \u062f\u0647\u06cc\u062f &#8211; \u0634\u0645\u0627 \u0641\u0642\u0637 \u06cc\u06a9 \u0639\u0645\u0644 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u0648\u0631\u062f \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u06cc\u062f. \u0627\u06cc\u0646 \u062f\u0642\u06cc\u0642\u0627\u064b \u0647\u0645\u0627\u0646 \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a forEach() \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0686\u0647 \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f:forEach()  \u0628\u0647 \u0634\u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062d\u0644\u0642\u0647 \u0628\u0632\u0646\u06cc\u062f \u0648 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f. \u0628\u0631 \u062e\u0644\u0627\u0641 map() \u06cc\u0627 filter()\u060c \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f\u06cc \u0631\u0627 \u0628\u0631 \u0646\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f &#8211; \u0641\u0642\u0637 \u0627\u0642\u062f\u0627\u0645\u0627\u062a\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0645\u062b\u0627\u0644:\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0647\u0631 \u0645\u06cc\u0648\u0647 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0686\u0627\u067e \u06a9\u0646\u06cc\u0645:<\/p>\n<p>const fruits = [&#8216;apple&#8217;, &#8216;banana&#8217;, &#8216;cherry&#8217;];<\/p>\n<p>fruits.forEach(fruit =&gt; {<br \/>\n  console.log(`I love ${fruit}!`);<br \/>\n});<br \/>\n\/\/ Output:<br \/>\n\/\/ I love apple!<br \/>\n\/\/ I love banana!<br \/>\n\/\/ I love cherry!<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0627\u06cc\u0646\u062c\u0627 \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f:<\/p>\n<p>\u0648\u0631\u0648\u062f\u06cc: \u0645\u062c\u0645\u0648\u0639\u0647 \u0645\u06cc\u0648\u0647 \u0647\u0627<\/p>\n<p>\u0627\u0642\u062f\u0627\u0645: \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u06cc\u06a9 \u067e\u06cc\u0627\u0645 \u0634\u062e\u0635\u06cc \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u06cc\u0648\u0647 \u062b\u0628\u062a \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0646\u062a\u06cc\u062c\u0647: \u0647\u06cc\u0686 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f\u06cc \u0627\u06cc\u062c\u0627\u062f \u0646\u0645\u06cc \u0634\u0648\u062f &#8211; \u0641\u0642\u0637 \u0639\u0645\u0644 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0639\u0645\u0644\u06cc:\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0641\u0647\u0631\u0633\u062a\u06cc \u0627\u0632 \u0648\u0638\u0627\u06cc\u0641 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u0648 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u00ab\u062a\u06a9\u0645\u06cc\u0644\u200c\u0634\u062f\u0647\u00bb \u062b\u0628\u062a \u06a9\u0646\u06cc\u062f:<\/p>\n<p>const tasks = [&#8216;Clean the house&#8217;, &#8216;Do the laundry&#8217;, &#8216;Write code&#8217;];<\/p>\n<p>tasks.forEach(task =&gt; {<br \/>\n  console.log(`\u2705 Completed: ${task}`);<br \/>\n});<br \/>\n\/\/ Output:<br \/>\n\/\/ \u2705 Completed: Clean the house<br \/>\n\/\/ \u2705 Completed: Do the laundry<br \/>\n\/\/ \u2705 Completed: Write code<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0686\u0631\u0627 \u0628\u0627 \u0631\u0648\u0634 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0633\u062a:\u0628\u0631 \u062e\u0644\u0627\u0641 map()\u060c \u06a9\u0647 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c forEach() \u0641\u0642\u0637 \u0628\u0631 \u0631\u0648\u06cc \u0639\u0648\u0627\u0631\u0636 \u062c\u0627\u0646\u0628\u06cc \u062a\u0645\u0631\u06a9\u0632 \u0645\u06cc \u06a9\u0646\u062f &#8211; \u0627\u0642\u062f\u0627\u0645\u0627\u062a\u06cc \u06a9\u0647 \u0646\u062a\u06cc\u062c\u0647 \u0645\u0633\u062a\u0642\u06cc\u0645\u06cc \u0627\u06cc\u062c\u0627\u062f \u0646\u0645\u06cc \u06a9\u0646\u0646\u062f \u0627\u0645\u0627 \u0686\u06cc\u0632\u06cc \u062e\u0627\u0631\u062c \u0627\u0632 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u062f\u0647\u0646\u062f \u06cc\u0627 \u0628\u0627 \u0622\u0646 \u062a\u0639\u0627\u0645\u0644 \u062f\u0627\u0631\u0646\u062f.<\/p>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644:<\/p>\n<p>\u0627\u0631\u0633\u0627\u0644 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc API \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u0648\u0631\u062f \u062f\u0631 \u06cc\u06a9 \u0644\u06cc\u0633\u062a.<br \/>\n\u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc DOM \u0628\u0631\u0627\u06cc \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631.<br \/>\n\u062b\u0628\u062a \u0645\u0642\u0627\u062f\u06cc\u0631 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644<\/p>\n<p>\u0632\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646:<\/p>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f forEach() \u0648\u0642\u062a\u06cc:<br \/>\n\u0634\u0645\u0627 \u0641\u0642\u0637 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0631\u0648\u06cc \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u062f.<br \/>\n\u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u0627 \u0628\u062f\u0648\u0646 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<p>\u0622\u0646\u0686\u0647 \u0627\u0641\u0631\u0627\u062f \u0645\u0628\u062a\u062f\u06cc \u0628\u0627\u06cc\u062f \u0628\u0647 \u0622\u0646 \u062a\u0648\u062c\u0647 \u06a9\u0646\u0646\u062f:\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 forEach() \u0686\u06cc\u0632\u06cc \u0631\u0627 \u067e\u0633 \u0646\u0645\u06cc \u062f\u0647\u062f\u060c \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc \u0645\u0646\u0627\u0633\u0628 \u0646\u06cc\u0633\u062a. \u0627\u06af\u0631 \u0628\u0647 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f\u060c \u0628\u0647 \u0622\u0646 \u0628\u0686\u0633\u0628\u06cc\u062f map() \u06cc\u0627 filter().<\/p>\n<p>\u0645\u062b\u0627\u0644 \u062e\u0644\u0627\u0642\u0627\u0646\u0647:\u0628\u06cc\u0627\u06cc\u06cc\u062f \u06cc\u06a9 \u0627\u06cc\u0645\u06cc\u0644 \u062a\u0634\u06a9\u0631 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u0634\u062a\u0631\u06cc \u062f\u0631 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0628\u0641\u0631\u0633\u062a\u06cc\u0645 (\u0641\u0642\u0637 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0634\u062f\u0647):<\/p>\n<p>const customers = [&#8216;Alice&#8217;, &#8216;Bob&#8217;, &#8216;Charlie&#8217;];<\/p>\n<p>customers.forEach(customer =&gt; {<br \/>\n  console.log(`Sending email to ${customer}&#8230;`);<br \/>\n});<br \/>\n\/\/ Output:<br \/>\n\/\/ Sending email to Alice&#8230;<br \/>\n\/\/ Sending email to Bob&#8230;<br \/>\n\/\/ Sending email to Charlie&#8230;<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0686\u0631\u0627 \u0645\u0628\u062a\u062f\u06cc\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u0646\u062f:forEach()  \u0633\u0627\u062f\u0647 \u0648 \u0634\u0647\u0648\u062f\u06cc \u0627\u0633\u062a \u0627\u06cc\u0646 \u0627\u0648\u0644\u06cc\u0646 \u0642\u062f\u0645 \u062f\u0631 \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0646\u062d\u0648\u0647 \u06a9\u0627\u0631 \u0628\u0627 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627 \u0627\u0633\u062a.<\/p>\n<p>\u0627\u06cc\u0646 \u0631\u0627 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0628\u0633\u067e\u0627\u0631: &#8220;\u0633\u0627\u062f\u06af\u06cc \u06a9\u062f \u0641\u0642\u062f\u0627\u0646 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0646\u06cc\u0633\u062a\u060c \u0628\u0644\u06a9\u0647 \u0647\u0646\u0631 \u062a\u0633\u0644\u0637 \u0628\u0631 \u0622\u0646 \u0627\u0633\u062a.&#8221;forEach()  \u0627\u0648\u0644\u06cc\u0646 \u0627\u0628\u0632\u0627\u0631 \u0634\u0645\u0627 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0631\u0648\u0634\u06cc \u0633\u0627\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<p>  5. find() &#8211; \u06a9\u0634\u0641 \u0627\u0648\u0644\u06cc\u0646 \u0645\u0633\u0627\u0628\u0642\u0647<\/p>\n<p>\u0634\u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u062c\u0633\u062a\u062c\u0648\u06cc \u06af\u0646\u062c \u0628\u0627 \u0646\u0642\u0634\u0647 \u0647\u0633\u062a\u06cc\u062f \u0648 \u0633\u0631\u0646\u062e \u0645\u06cc \u06af\u0648\u06cc\u062f: &#8220;\u0627\u0648\u0644\u06cc\u0646 \u0633\u06a9\u0647 \u0637\u0644\u0627 \u0631\u0627 \u062f\u0631 \u062c\u0646\u06af\u0644 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.&#8221; \u0634\u0645\u0627 \u0634\u0631\u0648\u0639 \u0628\u0647 \u062c\u0633\u062a\u062c\u0648 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0627\u0645\u0627 \u0628\u0647 \u0645\u062d\u0636 \u0627\u06cc\u0646\u06a9\u0647 \u0627\u0648\u0644\u06cc\u0646 \u0633\u06a9\u0647 \u0631\u0627 \u0632\u06cc\u0631 \u06cc\u06a9 \u062f\u0631\u062e\u062a \u0645\u06cc \u062f\u0631\u062e\u0634\u06cc\u062f\u060c \u0645\u062a\u0648\u0642\u0641 \u0645\u06cc \u0634\u0648\u06cc\u062f. \u0634\u0645\u0627 \u0622\u0646\u0686\u0647 \u0631\u0627 \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f \u0648 \u0628\u0642\u06cc\u0647 \u0633\u06a9\u0647 \u0647\u0627 \u0627\u0647\u0645\u06cc\u062a\u06cc \u0646\u062f\u0627\u0631\u0646\u062f. \u062f\u0642\u06cc\u0642\u0627 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631\u0647 find() \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f &#8211; \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u0627\u0648\u0644\u06cc\u0646 \u0645\u0648\u0631\u062f \u0631\u0627 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u06a9\u0647 \u0628\u0627 \u0634\u0631\u0627\u06cc\u0637 \u0634\u0645\u0627 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u062f \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f \u0648 \u062f\u06cc\u06af\u0631 \u0627\u0632 \u0622\u0646 \u0645\u0631\u0627\u0642\u0628\u062a \u0646\u0645\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0686\u0647 \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f:find()  \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u06a9\u0646 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0627\u0648\u0644\u06cc\u0646 \u0639\u0646\u0635\u0631\u06cc \u0631\u0627 \u06a9\u0647 \u0634\u0631\u0627\u06cc\u0637 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u062a\u0627\u0628\u0639 \u0634\u0645\u0627 \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. \u0627\u06af\u0631 \u0645\u0637\u0627\u0628\u0642\u062a \u067e\u06cc\u062f\u0627 \u0646\u0634\u062f\u060c \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u062f undefined.<\/p>\n<p>\u0645\u062b\u0627\u0644 \u06a9\u062f:\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0639\u062f\u062f \u0627\u0648\u0644 \u0631\u0627 \u0628\u0632\u0631\u06af\u062a\u0631 \u0627\u0632 20 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u0645:<\/p>\n<p>const numbers = [10, 15, 25, 30, 5];<br \/>\nconst result = numbers.find(num =&gt; num &gt; 20);<br \/>\nconsole.log(result); \/\/ Output: 25<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f:<\/p>\n<p>\u0634\u0631\u0637 num &gt; 20 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u0634\u0648\u062f.<br \/>\n\u06cc\u06a9 \u0628\u0627\u0631 25 \u0634\u0631\u0627\u06cc\u0637 \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f\u060c \u062c\u0633\u062a\u062c\u0648 \u0645\u062a\u0648\u0642\u0641 \u0645\u06cc \u0634\u0648\u062f \u0648 25 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<br \/>\n\u0647\u06cc\u0686 \u0639\u0646\u0635\u0631 \u062f\u06cc\u06af\u0631\u06cc \u067e\u0633 \u0627\u0632 \u0627\u0648\u0644\u06cc\u0646 \u0645\u0633\u0627\u0628\u0642\u0647 \u0628\u0631\u0631\u0633\u06cc \u0646\u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0641\u06a9\u0631 \u06a9\u0646 find() \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u06cc\u06a9 \u0634\u06a9\u0627\u0631 \u0644\u0627\u0634\u062e\u0648\u0631 \u0647\u0633\u062a\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u0634\u0645\u0627 \u06af\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f: &#8220;\u0627\u0648\u0644\u06cc\u0646 \u06af\u0644 \u0642\u0631\u0645\u0632 \u0631\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.&#8221; \u0647\u0631 \u06af\u0644 \u0633\u0631\u062e\u06cc \u0631\u0627 \u062c\u0645\u0639 \u0646\u0645\u06cc \u06a9\u0646\u06cc (\u0647\u0645\u06cc\u0646 filter() \u0627\u0646\u062c\u0627\u0645 \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u062f). \u062f\u0631 \u0639\u0648\u0636\u060c \u0628\u0647 \u0645\u062d\u0636 \u0627\u06cc\u0646\u06a9\u0647 \u06cc\u06a9\u06cc \u0631\u0627 \u062f\u06cc\u062f\u06cc\u062f \u0645\u062a\u0648\u0642\u0641 \u0645\u06cc\u200c\u0634\u0648\u06cc\u062f \u0648 \u0641\u0631\u06cc\u0627\u062f \u0645\u06cc\u200c\u0632\u0646\u06cc\u062f: \u00ab\u0645\u06cc\u200c\u0641\u0647\u0645\u0645!\u00bb<\/p>\n<p>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0639\u0645\u0644\u06cc:\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u062f\u0631 \u062d\u0627\u0644 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0645\u062e\u0627\u0637\u0628\u06cc\u0646 \u0647\u0633\u062a\u06cc\u062f \u0648 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u0648\u0644\u06cc\u0646 \u0646\u0641\u0631 \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0622\u062f\u0631\u0633 \u0627\u06cc\u0645\u06cc\u0644 \u062e\u0627\u0635 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>const contacts = [<br \/>\n  { name: &#8216;Alice&#8217;, email: &#8216;alice@example.com&#8217; },<br \/>\n  { name: &#8216;Bob&#8217;, email: &#8216;bob@example.com&#8217; },<br \/>\n  { name: &#8216;Charlie&#8217;, email: &#8216;charlie@example.com&#8217; }<br \/>\n];<\/p>\n<p>const foundContact = contacts.find(contact =&gt; contact.email === &#8216;bob@example.com&#8217;);<br \/>\nconsole.log(foundContact);<br \/>\n\/\/ Output: { name: &#8216;Bob&#8217;, email: &#8216;bob@example.com&#8217; }<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0686\u0631\u0627 \u0645\u0628\u062a\u062f\u06cc\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u0646\u062f:find()  \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a \u0648 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0641\u0642\u0637 \u0628\u0647 \u06cc\u06a9 \u0646\u062a\u06cc\u062c\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u062f\u0631 \u0632\u0645\u0627\u0646 \u0635\u0631\u0641\u0647 \u062c\u0648\u06cc\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0645\u0627\u0646\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0686\u0631\u0627\u063a \u0642\u0648\u0647 \u0628\u0631\u0627\u06cc \u062c\u0633\u062a\u062c\u0648\u06cc \u06cc\u06a9 \u0634\u06cc \u062f\u0631 \u06cc\u06a9 \u0627\u062a\u0627\u0642 \u062a\u0627\u0631\u06cc\u06a9 \u0627\u0633\u062a &#8211; \u0633\u0639\u06cc \u0646\u0645\u06cc \u06a9\u0646\u062f \u06a9\u0644 \u0627\u062a\u0627\u0642 \u0631\u0627 \u0631\u0648\u0634\u0646 \u06a9\u0646\u062f.<\/p>\n<p>\u0645\u062b\u0627\u0644 \u062e\u0644\u0627\u0642\u0627\u0646\u0647:\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u06cc\u0646 \u0631\u0627 \u0628\u0647 \u062f\u0646\u06cc\u0627\u06cc \u062a\u062c\u0627\u0631\u062a \u0627\u0644\u06a9\u062a\u0631\u0648\u0646\u06cc\u06a9 \u0628\u0628\u0631\u06cc\u0645. \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u062f\u0627\u0631\u06cc\u062f \u0648 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u0648\u0644\u06cc\u0646 \u0645\u062d\u0635\u0648\u0644\u06cc \u0631\u0627 \u06a9\u0647 \u062f\u0631 \u0641\u0631\u0648\u0634 \u0627\u0633\u062a \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>const products = [<br \/>\n  { name: &#8216;Laptop&#8217;, price: 1000, onSale: false },<br \/>\n  { name: &#8216;Headphones&#8217;, price: 200, onSale: true },<br \/>\n  { name: &#8216;Keyboard&#8217;, price: 150, onSale: true }<br \/>\n];<\/p>\n<p>const firstSaleItem = products.find(product =&gt; product.onSale);<br \/>\nconsole.log(`First product on sale: ${firstSaleItem.name}`);<br \/>\n\/\/ Output: First product on sale: Headphones<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062f\u0633\u062a\u0647 \u0647\u0627\u06cc \u0644\u0628\u0647 \u0627\u06cc:\u0627\u06af\u0631 \u0647\u06cc\u0686 \u0645\u0648\u0631\u062f\u06cc \u0628\u0627 \u0634\u0631\u0627\u06cc\u0637 \u0634\u0645\u0627 \u0645\u0637\u0627\u0628\u0642\u062a \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0686\u0647\u061f \u0646\u06af\u0631\u0627\u0646 \u0646\u0628\u0627\u0634 -find() \u0628\u0627\u0632\u06af\u0634\u062a \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f undefined. \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u06cc\u06a9 \u0628\u06a9 \u06af\u0631\u0627\u0646\u062f \u0627\u06cc\u0646 \u0631\u0627 \u0628\u0647 \u062e\u0648\u0628\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u062f:<\/p>\n<p>const result = numbers.find(num =&gt; num &gt; 100) || &#8216;No match found&#8217;;<br \/>\nconsole.log(result); \/\/ Output: No match found<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0686\u0631\u0627 find() \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a:<\/p>\n<p>\u06a9\u0627\u0631\u0627\u06cc\u06cc: \u0628\u0647 \u0645\u062d\u0636 \u0627\u06cc\u0646\u06a9\u0647 \u0627\u0648\u0644\u06cc\u0646 \u0645\u0633\u0627\u0628\u0642\u0647 \u0631\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062f \u0645\u062a\u0648\u0642\u0641 \u0645\u06cc \u0634\u0648\u062f.<br \/>\n\u0648\u0636\u0648\u062d: \u0647\u062f\u0641 \u0634\u0645\u0627 \u0631\u0627 \u062f\u0631 \u06a9\u062f \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f\u2014\u062c\u0633\u062a\u062c\u0648\u06cc \u06cc\u06a9 \u0645\u0648\u0631\u062f.<br \/>\n\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc: \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0628\u0631\u0627\u06cc \u0645\u06a9\u0627\u0646 \u06cc\u0627\u0628\u06cc \u06cc\u06a9 \u06a9\u0627\u0631\u0628\u0631\u060c \u0645\u062d\u0635\u0648\u0644 \u06cc\u0627 \u0646\u0642\u0637\u0647 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af.<\/p>\n<p>  \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/p>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u0627\u0628\u0632\u0627\u0631 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a \u0648 \u0627\u06cc\u0646 \u067e\u0646\u062c \u0645\u0648\u0631\u062f methods\u2014map()\u060c filter()\u060c reduce()\u060c forEach()\u060c \u0648 find()- \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0628\u0627\u0632 \u06a9\u0631\u062f\u0646 \u067e\u062a\u0627\u0646\u0633\u06cc\u0644 \u0648\u0627\u0642\u0639\u06cc \u0622\u0646 \u0647\u0633\u062a\u0646\u062f. \u0622\u0646\u0647\u0627 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u0646\u062f \u062a\u0627 \u06a9\u062f\u0647\u0627\u06cc \u062a\u0645\u06cc\u0632\u062a\u0631 \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f \u0648 \u062f\u0631 \u0639\u06cc\u0646 \u062d\u0627\u0644 \u0634\u0645\u0627 \u0631\u0627 \u0627\u0632 \u062d\u0644\u0642\u0647 \u0647\u0627\u06cc \u0628\u06cc \u067e\u0627\u06cc\u0627\u0646 \u0648 \u06a9\u0627\u0631\u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc \u0646\u062c\u0627\u062a \u0645\u06cc \u062f\u0647\u0646\u062f. \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0686\u0627\u0642\u0648\u06cc \u0627\u0631\u062a\u0634 \u0633\u0648\u0626\u06cc\u0633 \u062f\u0631 \u062c\u0639\u0628\u0647 \u0627\u0628\u0632\u0627\u0631 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u062e\u0648\u062f \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f: \u0647\u0645\u0647 \u06a9\u0627\u0631\u0647\u060c \u0642\u0627\u0628\u0644 \u0627\u0639\u062a\u0645\u0627\u062f\u060c \u0648 \u0633\u0627\u062e\u062a\u0647 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u0622\u0633\u0627\u0646 \u062a\u0631 \u06a9\u0631\u062f\u0646 \u0632\u0646\u062f\u06af\u06cc \u0634\u0645\u0627.<\/p>\n<p>\u062a\u0633\u0644\u0637 \u0628\u0631 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0641\u0642\u0637 \u062f\u0631 \u0645\u0648\u0631\u062f \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0646\u062d\u0648 \u0646\u06cc\u0633\u062a &#8211; \u0628\u0644\u06a9\u0647 \u062f\u0631 \u0645\u0648\u0631\u062f \u0641\u06a9\u0631 \u06a9\u0631\u062f\u0646 \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u06a9\u0647 \u0622\u06cc\u0627 \u0634\u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u062a\u0628\u062f\u06cc\u0644 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0627 map()\u060c \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646 \u0646\u0648\u06cc\u0632 \u0628\u0627 filter()\u060c \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0631\u0627 \u0628\u0627 reduce()\u060c \u062a\u06a9\u0631\u0627\u0631 \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0628\u0627 forEach()\u060c \u06cc\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062f\u0646 \u0622\u0646 \u06af\u0648\u0647\u0631 \u067e\u0646\u0647\u0627\u0646 \u0628\u0627 find()\u060c \u0634\u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u0627\u06cc\u062c\u0627\u062f \u0645\u0647\u0627\u0631\u062a \u0647\u0627\u06cc\u06cc \u0647\u0633\u062a\u06cc\u062f \u06a9\u0647 \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u062d\u0631\u0641\u0647 \u0627\u06cc \u062a\u0631 \u0648 \u062a\u0627\u062b\u06cc\u0631\u06af\u0630\u0627\u0631\u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f\u060c \u062c\u0627\u062f\u0648\u06cc \u06a9\u062f\u0646\u0648\u06cc\u0633\u06cc \u062f\u0631 \u0646\u0648\u0634\u062a\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u0648 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0646\u06cc\u0633\u062a\u060c \u0628\u0644\u06a9\u0647 \u062f\u0631 \u06cc\u0627\u0641\u062a\u0646 \u0631\u0627\u0647 \u062d\u0644 \u0647\u0627\u06cc \u0638\u0631\u06cc\u0641 \u0628\u0631\u0627\u06cc \u0645\u0633\u0627\u0626\u0644 \u0631\u0648\u0632\u0645\u0631\u0647 \u0627\u0633\u062a. \u0627\u0632 \u06a9\u0648\u0686\u06a9 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u062f: \u06cc\u06a9 \u0631\u0648\u0634 \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f\u060c \u0622\u0646 \u0631\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u062f \u0648 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0628\u0639\u062f\u06cc \u062e\u0648\u062f \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f. \u0647\u0631\u0686\u0647 \u0628\u06cc\u0634\u062a\u0631 \u062a\u0645\u0631\u06cc\u0646 \u06a9\u0646\u06cc\u062f\u060c \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0628\u06cc\u0634\u062a\u0631 \u0634\u0628\u06cc\u0647 \u0637\u0628\u06cc\u0639\u062a \u062f\u0648\u0645 \u062e\u0648\u0627\u0647\u0646\u062f \u0628\u0648\u062f.<\/p>\n<p>&#8220;\u0628\u0647\u062a\u0631\u06cc\u0646 \u06a9\u062f \u06a9\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u062a\u0648\u0636\u06cc\u062d \u0622\u0646 \u0646\u06cc\u0633\u062a.&#8221; &#8211; \u0645\u0627\u0631\u062a\u06cc\u0646 \u0641\u0627\u0648\u0644\u0631\u0627\u0632 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062e\u0648\u062f\u0634 \u0635\u062d\u0628\u062a \u06a9\u0646\u062f.<\/p>\n<p>\u0646\u0638\u0631\u0627\u062a \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631\u0627\u062a \u0628\u0647 \u0645\u0646 \u0628\u06af\u0648\u06cc\u06cc\u062f! \u0622\u06cc\u0627 \u0627\u0632 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f\u061f \u0645\u0646 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u0645 \u062a\u062c\u0631\u0628\u0647 \u0634\u0645\u0627 \u0631\u0627 \u0628\u0634\u0646\u0648\u0645.<\/p>\n<p>\u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u062f\u0631 \u0627\u0635\u0644 \u062f\u0631 \u0647\u0634\u0646\u0648\u062f \u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u0627\u0633\u062a<\/p>\n<div data-article-id=\"2093943\" id=\"article-body\">\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u0627\u0646\u0646\u062f \u0686\u0627\u0642\u0648\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0627\u0631\u062a\u0634 \u0633\u0648\u0626\u06cc\u0633 \u0627\u0633\u062a &#8211; \u0647\u0645\u0647 \u06a9\u0627\u0631\u0647\u060c \u0636\u0631\u0648\u0631\u06cc \u0648 \u0645\u0645\u0644\u0648 \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0646\u0645\u06cc \u062f\u0627\u0646\u0633\u062a\u06cc\u062f \u0628\u0647 \u0622\u0646\u0647\u0627 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f. \u0627\u0645\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u0628\u062a\u062f\u06cc\u060c \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646 \u062f\u0631 \u062d\u0644\u0642\u0647 \u0647\u0627 \u062f\u0631\u06af\u06cc\u0631 \u0634\u062f \u0648 \u062a\u0648\u0633\u0637 \u06a9\u062f\u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u0648 \u062a\u06a9\u0631\u0627\u0631\u06cc \u063a\u0631\u0642 \u0634\u062f. \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u0628\u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u0633\u062a\u06cc \u0645\u0648\u0627\u0631\u062f \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u062c\u0639\u0628\u0647 \u0627\u0628\u0632\u0627\u0631 \u06a9\u062b\u06cc\u0641 \u062c\u0633\u062a\u062c\u0648 \u06a9\u0646\u06cc\u062f &#8211; \u062e\u0633\u062a\u0647 \u06a9\u0646\u0646\u062f\u0647\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f<\/p>\n<p>\u0627\u06cc\u0646\u062c\u0627\u0633\u062a \u06a9\u0647 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0648\u0627\u0631\u062f \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0627\u06cc\u0646 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062e\u0644\u06cc \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u0631\u0627 \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f\u060c \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u062f \u0648 \u06a9\u0627\u0631\u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0622\u0633\u0627\u0646\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u06cc\u0627\u0646\u0628\u0631\u0647\u0627\u06cc\u06cc \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0632\u0645\u0627\u0646 \u0648 \u062a\u0644\u0627\u0634 \u0634\u0645\u0627 \u0635\u0631\u0641\u0647 \u062c\u0648\u06cc\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f \u0648 \u06a9\u062f\u0647\u0627\u06cc \u0646\u0627\u0645\u0631\u062a\u0628 \u0631\u0627 \u0628\u0647 \u0686\u06cc\u0632\u06cc \u062a\u0645\u06cc\u0632 \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u067e\u0646\u062c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0636\u0631\u0648\u0631\u06cc \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f <code>methods\u2014map()<\/code>\u060c <code>filter()<\/code>\u060c <code>reduce()<\/code>\u060c <code>forEach()<\/code>\u060c \u0648 <code>find()<\/code>. \u062a\u0633\u0644\u0637 \u0628\u0631 \u0627\u06cc\u0646\u0647\u0627 \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u0648\u0627\u0636\u062d \u062a\u0631\u060c \u0633\u0631\u06cc\u0639 \u062a\u0631 \u0648 \u0633\u0631\u06af\u0631\u0645 \u06a9\u0646\u0646\u062f\u0647 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<blockquote>\n<p>&#8220;\u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062f\u0631\u0628\u0627\u0631\u0647 \u0622\u0646\u0686\u0647 \u0634\u0645\u0627 \u0645\u06cc \u062f\u0627\u0646\u06cc\u062f \u0646\u06cc\u0633\u062a. \u0627\u06cc\u0646 \u062f\u0631 \u0645\u0648\u0631\u062f \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0641\u0647\u0645\u06cc\u062f. \u2013 <strong>\u06a9\u0631\u06cc\u0633 \u067e\u0627\u06cc\u0646.<\/strong><\/p>\n<\/blockquote>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/5-essential-javascript-methods-every-beginner-should-know-4p7f\/#1_map_%E2%80%93_%D8%AA%D8%A8%D8%AF%DB%8C%D9%84_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7\" >1. map() \u2013 \u062a\u0628\u062f\u06cc\u0644 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/5-essential-javascript-methods-every-beginner-should-know-4p7f\/#2_filter_%E2%80%93_%D8%A7%D9%86%D8%AA%D8%AE%D8%A7%D8%A8_%D9%85%D9%88%D8%A7%D8%B1%D8%AF_%D8%AE%D8%A7%D8%B5\" >2. filter() \u2013 \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u0648\u0627\u0631\u062f \u062e\u0627\u0635<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/5-essential-javascript-methods-every-beginner-should-know-4p7f\/#3_reduce_%E2%80%93_%D8%AC%D9%85%D8%B9_%D8%A2%D9%88%D8%B1%DB%8C_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7\" >3. reduce() &#8211; \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/5-essential-javascript-methods-every-beginner-should-know-4p7f\/#4_forEach_%E2%80%93_%DB%8C%DA%A9_Workhorse_%D8%AF%D9%88%D8%B3%D8%AA%D8%A7%D9%86%D9%87_%D8%A8%D8%B1%D8%A7%DB%8C_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7\" >4. forEach() \u2013 \u06cc\u06a9 Workhorse \u062f\u0648\u0633\u062a\u0627\u0646\u0647 \u0628\u0631\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/5-essential-javascript-methods-every-beginner-should-know-4p7f\/#5_find_%E2%80%93_%DA%A9%D8%B4%D9%81_%D8%A7%D9%88%D9%84%DB%8C%D9%86_%D9%85%D8%B3%D8%A7%D8%A8%D9%82%D9%87\" >5. find() &#8211; \u06a9\u0634\u0641 \u0627\u0648\u0644\u06cc\u0646 \u0645\u0633\u0627\u0628\u0642\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/5-essential-javascript-methods-every-beginner-should-know-4p7f\/#%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\" >\u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"1_map_%E2%80%93_%D8%AA%D8%A8%D8%AF%DB%8C%D9%84_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7\"><\/span>\n<p>  1. map() \u2013 \u062a\u0628\u062f\u06cc\u0644 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u0686\u0647 \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f:<\/strong><br \/>\u0646\u0642\u0634\u0647 () \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u062f\u0633\u062a\u06cc\u0627\u0631 \u0634\u062e\u0635\u06cc \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0647\u0627 \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u062f\u060c \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u0648\u0631\u062f \u06cc\u06a9 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f \u0648 \u0644\u06cc\u0633\u062a \u062c\u062f\u06cc\u062f\u06cc \u0631\u0627 \u0628\u0627 \u0646\u062a\u0627\u06cc\u062c \u0628\u0647 \u0634\u0645\u0627 \u062a\u062d\u0648\u06cc\u0644 \u0645\u06cc \u062f\u0647\u062f. \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u062f\u0648\u0646 \u062f\u0633\u062a \u0632\u062f\u0646 \u0628\u0647 \u0627\u0635\u0644 \u0639\u0627\u0644\u06cc \u0627\u0633\u062a.<\/p>\n<p>\u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06cc\u06a9 \u062f\u0633\u062a\u0647 \u0627\u0632 \u062a\u06cc \u0634\u0631\u062a \u0647\u0627\u06cc \u062e\u0627\u0644\u06cc \u062f\u0627\u0631\u06cc\u062f \u0648 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0637\u0631\u062d \u0647\u0627\u06cc\u06cc \u0631\u0627 \u0631\u0648\u06cc \u0647\u0645\u0647 \u0622\u0646\u0647\u0627 \u0686\u0627\u067e \u06a9\u0646\u06cc\u062f. \u0628\u0647 \u062c\u0627\u06cc \u062a\u063a\u06cc\u06cc\u0631 \u067e\u0634\u062a\u0647 \u0627\u0635\u0644\u06cc\u060c \u06cc\u06a9 \u067e\u0634\u062a\u0647 \u062a\u0627\u0632\u0647 \u0628\u0627 \u0637\u0631\u062d \u0647\u0627\u06cc \u0627\u0639\u0645\u0627\u0644 \u0634\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f. \u0646\u0642\u0634\u0647 () \u0628\u0647 \u0627\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u2013 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0622\u06cc\u062a\u0645 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0628\u0647 \u0634\u0645\u0627 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n<p><strong>\u0645\u062b\u0627\u0644:<\/strong><br \/>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0646\u062d\u0648\u0647 \u06cc \u062f\u0648 \u0628\u0631\u0627\u0628\u0631 \u06a9\u0631\u062f\u0646 \u0647\u0631 \u0639\u062f\u062f \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 map():<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">numbers<\/span> <span class=\"o\">=<\/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=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">];<\/span>\n<span class=\"kd\">const<\/span> <span class=\"nx\">doubled<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">numbers<\/span><span class=\"p\">.<\/span><span class=\"nf\">map<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">num<\/span> <span class=\"o\">*<\/span> <span class=\"mi\">2<\/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=\"nx\">doubled<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Output: [2, 4, 6, 8]<\/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><strong>\u062a\u0641\u06a9\u06cc\u06a9:<\/strong><\/p>\n<ul>\n<li>\n<code>numbers<\/code>: \u0622\u0631\u0627\u06cc\u0647 \u0627\u0635\u0644\u06cc \u062f\u0633\u062a \u0646\u062e\u0648\u0631\u062f\u0647 \u0628\u0627\u0642\u06cc \u0645\u06cc \u0645\u0627\u0646\u062f.<\/li>\n<li>\n<code>num * 2<\/code>: \u062a\u0627\u0628\u0639 \u0627\u0639\u0645\u0627\u0644 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631.<\/li>\n<li>\n<code>doubled<\/code>: \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647.<\/li>\n<\/ul>\n<p><strong>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0639\u0645\u0644\u06cc:<\/strong><br \/>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0642\u06cc\u0645\u062a \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0628\u0647 \u062f\u0644\u0627\u0631 \u062f\u0627\u0631\u06cc\u062f \u0648 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0627\u0631\u0632 \u062f\u06cc\u06af\u0631\u06cc \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u062f. \u0628\u0627 map() \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u062a\u0628\u062f\u06cc\u0644 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0645\u0631\u062d\u0644\u0647 \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=\"kd\">const<\/span> <span class=\"nx\">pricesInUSD<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">10<\/span><span class=\"p\">,<\/span> <span class=\"mi\">20<\/span><span class=\"p\">,<\/span> <span class=\"mi\">30<\/span><span class=\"p\">];<\/span>\n<span class=\"kd\">const<\/span> <span class=\"nx\">pricesInEUR<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">pricesInUSD<\/span><span class=\"p\">.<\/span><span class=\"nf\">map<\/span><span class=\"p\">(<\/span><span class=\"nx\">price<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">price<\/span> <span class=\"o\">*<\/span> <span class=\"mf\">0.85<\/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=\"nx\">pricesInEUR<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Output: [8.5, 17, 25.5]<\/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><strong>\u0686\u0631\u0627 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a:<\/strong><br \/>map() \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u0627\u0632 \u06a9\u0627\u0631\u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631\u06cc \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0646\u06cc\u062f \u0648 \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u062a\u0645\u06cc\u0632 \u0646\u06af\u0647 \u0645\u06cc \u062f\u0627\u0631\u062f. \u0628\u0647 \u062c\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062d\u0644\u0642\u0647 \u0647\u0627 \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u060c \u0627\u06cc\u0646 \u0631\u0648\u0634 \u06a9\u0627\u0631\u0647\u0627\u06cc \u0633\u0646\u06af\u06cc\u0646 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<blockquote>\n<p>\u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 map() \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06af\u0631 \u0628\u0647 \u062f\u0646\u0628\u0627\u0644 \u0627\u0635\u0644\u0627\u062d \u062f\u0627\u062f\u0647 \u0647\u0627 \u062f\u0631 \u0645\u062d\u0644 \u0647\u0633\u062a\u06cc\u062f\u060c \u0627\u06cc\u0646 \u0627\u0628\u0632\u0627\u0631 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0646\u06cc\u0633\u062a.<\/p>\n<\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"2_filter_%E2%80%93_%D8%A7%D9%86%D8%AA%D8%AE%D8%A7%D8%A8_%D9%85%D9%88%D8%A7%D8%B1%D8%AF_%D8%AE%D8%A7%D8%B5\"><\/span>\n<p>  2. filter() \u2013 \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u0648\u0627\u0631\u062f \u062e\u0627\u0635<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u0686\u0647 \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f:<\/strong><br \/>filter() \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0641\u0642\u0637 \u0634\u0627\u0645\u0644 \u0639\u0646\u0627\u0635\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0634\u0631\u0627\u06cc\u0637 \u062e\u0627\u0635\u06cc \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0628\u0647 \u0622\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u062c\u0633\u0627\u0631\u062a \u062f\u0631 \u06cc\u06a9 \u0628\u0627\u0634\u06af\u0627\u0647 \u0641\u06a9\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0641\u0642\u0637 \u0628\u0647 \u06a9\u0633\u0627\u0646\u06cc \u0627\u062c\u0627\u0632\u0647 \u0648\u0631\u0648\u062f \u0628\u0647 \u0622\u0646 \u0647\u0627 \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0628\u0627 \u0645\u0639\u06cc\u0627\u0631\u0647\u0627 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u0646\u062f.<\/p>\n<p>\u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0645\u062f \u0644\u0628\u0627\u0633 \u062e\u0648\u062f \u0631\u0627 \u0645\u0631\u062a\u0628 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0641\u0642\u0637 \u0644\u0628\u0627\u0633 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u0646\u06af\u0647 \u0645\u06cc \u062f\u0627\u0631\u06cc\u062f \u06a9\u0647 \u06a9\u0627\u0645\u0644\u0627\u064b \u0645\u0646\u0627\u0633\u0628 \u0634\u0645\u0627 \u0647\u0633\u062a\u0646\u062f. filter() \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u0641\u0642\u0637 \u0622\u0646\u0686\u0647 \u0631\u0627 \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f \u0648 \u0628\u0642\u06cc\u0647 \u0631\u0627 \u06a9\u0646\u0627\u0631 \u0628\u06af\u0630\u0627\u0631\u06cc\u062f &#8211; \u0633\u0627\u062f\u0647 \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f.<\/p>\n<p><strong>\u0645\u062b\u0627\u0644:<\/strong><br \/>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0639\u062f\u0627\u062f \u0632\u0648\u062c \u0631\u0627 \u0627\u0632 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">numbers<\/span> <span class=\"o\">=<\/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=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">];<\/span>\n<span class=\"kd\">const<\/span> <span class=\"nx\">oddNumbers<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">numbers<\/span><span class=\"p\">.<\/span><span class=\"nf\">filter<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">num<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">2<\/span> <span class=\"o\">!==<\/span> <span class=\"mi\">0<\/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=\"nx\">oddNumbers<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Output: [1, 3, 5]<\/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><strong>\u062a\u0641\u06a9\u06cc\u06a9:<\/strong><\/p>\n<ul>\n<li>\n<code>numbers<\/code>: \u0622\u0631\u0627\u06cc\u0647 \u0627\u0635\u0644\u06cc \u062f\u0633\u062a \u0646\u062e\u0648\u0631\u062f\u0647 \u0628\u0627\u0642\u06cc \u0645\u06cc \u0645\u0627\u0646\u062f.<\/li>\n<li>\n<strong>\u0648\u0636\u0639\u06cc\u062a:<\/strong> <code>num % 2 !== 0<\/code>  \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0639\u062f\u062f \u0641\u0631\u062f \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631.<\/li>\n<li>\n<strong>\u0646\u062a\u06cc\u062c\u0647:<\/strong> \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f\u060c <code>oddNumbers<\/code>\u060c \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0641\u06cc\u0644\u062a\u0631 \u0634\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<\/ul>\n<p><strong>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0639\u0645\u0644\u06cc:<\/strong><br \/>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0641\u0647\u0631\u0633\u062a\u06cc \u0627\u0632 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u0648 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u0642\u0644\u0627\u0645\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u0648\u062c\u0648\u062f\u06cc \u0646\u062f\u0627\u0631\u0646\u062f \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">products<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\n  <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Laptop<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">inStock<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">},<\/span>\n  <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Phone<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">inStock<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span> <span class=\"p\">},<\/span>\n  <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Tablet<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">inStock<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">}<\/span>\n<span class=\"p\">];<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">availableProducts<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">products<\/span><span class=\"p\">.<\/span><span class=\"nf\">filter<\/span><span class=\"p\">(<\/span><span class=\"nx\">product<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">product<\/span><span class=\"p\">.<\/span><span class=\"nx\">inStock<\/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=\"nx\">availableProducts<\/span><span class=\"p\">);<\/span>\n<span class=\"c1\">\/\/ Output: [{ name: 'Laptop', inStock: true }, { name: 'Tablet', inStock: 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><strong>\u0632\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646:<\/strong><\/p>\n<ul>\n<li>\u0641\u0642\u0637 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0631\u062a\u0628\u0637 \u0631\u0627 \u0627\u0632 \u06cc\u06a9 \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\u0641\u0631\u0622\u06cc\u0646\u062f\u0647\u0627 \u0631\u0627 \u062a\u0646\u0647\u0627 \u0628\u0627 \u06a9\u0627\u0631 \u06a9\u0631\u062f\u0646 \u0628\u0627 \u0622\u0646\u0686\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/li>\n<\/ul>\n<p><strong>\u0686\u0631\u0627 \u0645\u0628\u062a\u062f\u06cc\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u0646\u062f:<\/strong><br \/>\u0628\u0631\u062e\u0644\u0627\u0641 \u062d\u0644\u0642\u0647 \u0647\u0627\u060c <code>filter()<\/code> \u0633\u0631\u0631\u0627\u0633\u062a \u0627\u0633\u062a \u0627\u062d\u062a\u0645\u0627\u0644 \u062e\u0637\u0627 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f \u0648 \u0628\u0627 \u06a9\u062f \u06a9\u0645\u062a\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u0686\u06cc\u0632\u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u062f\u0633\u062a \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_reduce_%E2%80%93_%D8%AC%D9%85%D8%B9_%D8%A2%D9%88%D8%B1%DB%8C_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7\"><\/span>\n<p>  3. <code>reduce()<\/code> &#8211; \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f\u060c \u0634\u0645\u0627 \u062f\u0631 \u06cc\u06a9 \u0628\u0627\u062c\u0647 \u0641\u0631\u0648\u0634\u06af\u0627\u0647 \u0645\u0648\u0627\u062f \u063a\u0630\u0627\u06cc\u06cc \u0647\u0633\u062a\u06cc\u062f \u0648 \u0635\u0646\u062f\u0648\u0642\u062f\u0627\u0631 \u062f\u0631 \u062d\u0627\u0644 \u062c\u0645\u0639 \u06a9\u0631\u062f\u0646 \u0642\u06cc\u0645\u062a \u062a\u0645\u0627\u0645 \u0627\u0642\u0644\u0627\u0645 \u0634\u0645\u0627 \u0627\u0633\u062a \u062a\u0627 \u06a9\u0644 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0628\u062f\u0647\u062f. \u062f\u0642\u06cc\u0642\u0627 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631\u0647 <code>reduce()<\/code> \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f &#8211; \u0647\u0645\u0647 \u0639\u0646\u0627\u0635\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0648\u0627\u062d\u062f \u062a\u0631\u06a9\u06cc\u0628 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u062c\u0645\u0639\u060c \u0645\u062d\u0635\u0648\u0644 \u06cc\u0627 \u0647\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0633\u0641\u0627\u0631\u0634\u06cc.<\/p>\n<p><strong>\u0686\u0647 \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f:<\/strong><br \/><code>reduce()<\/code>  \u06cc\u06a9 \u0639\u0646\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0635\u0631 \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0628\u0631 \u0627\u0633\u0627\u0633 \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0634\u0645\u0627 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0622\u0646 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u062e\u0631\u0648\u062c\u06cc \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p><strong>\u0645\u062b\u0627\u0644:<\/strong><br \/>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0645\u062c\u0645\u0648\u0639 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">numbers<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"mi\">10<\/span><span class=\"p\">,<\/span> <span class=\"mi\">15<\/span><span class=\"p\">,<\/span> <span class=\"mi\">20<\/span><span class=\"p\">];<\/span>\n<span class=\"kd\">const<\/span> <span class=\"nx\">total<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">numbers<\/span><span class=\"p\">.<\/span><span class=\"nf\">reduce<\/span><span class=\"p\">((<\/span><span class=\"nx\">accumulator<\/span><span class=\"p\">,<\/span> <span class=\"nx\">currentValue<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">accumulator<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">currentValue<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/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=\"nx\">total<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Output: 50<\/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><strong>\u062a\u0641\u06a9\u06cc\u06a9:<\/strong><\/p>\n<ul>\n<li>\n<code>accumulator<\/code>: \u0645\u062c\u0645\u0648\u0639 \u062f\u0631 \u062d\u0627\u0644 \u0627\u0646\u062c\u0627\u0645 \u0631\u0627 \u067e\u06cc\u06af\u06cc\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f (\u0634\u0631\u0648\u0639 \u062f\u0631 <code>0<\/code>).<\/li>\n<li>\n<code>currentValue<\/code>: \u0628\u0647 \u0622\u06cc\u062a\u0645 \u0641\u0639\u0644\u06cc \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0631 \u062d\u0627\u0644 \u067e\u0631\u062f\u0627\u0632\u0634 \u0627\u0634\u0627\u0631\u0647 \u062f\u0627\u0631\u062f.<\/li>\n<li>\u0646\u062a\u06cc\u062c\u0647: \u0647\u0645\u0647 \u0627\u0639\u062f\u0627\u062f \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u062c\u0645\u0639 \u062a\u0631\u06a9\u06cc\u0628 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<p><strong>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0639\u0645\u0644\u06cc:<\/strong><br \/>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u062f\u0631 \u062d\u0627\u0644 \u0633\u0627\u062e\u062a \u06cc\u06a9 \u0633\u0628\u062f \u062e\u0631\u06cc\u062f \u0622\u0646\u0644\u0627\u06cc\u0646 \u0647\u0633\u062a\u06cc\u062f. \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0647\u0632\u06cc\u0646\u0647 \u06a9\u0644 \u062a\u0645\u0627\u0645 \u0645\u0648\u0627\u0631\u062f\u06cc \u0631\u0627 \u06a9\u0647 \u06cc\u06a9 \u06a9\u0627\u0631\u0628\u0631 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">cart<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\n  <span class=\"p\">{<\/span> <span class=\"na\">item<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Laptop<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">price<\/span><span class=\"p\">:<\/span> <span class=\"mi\">800<\/span> <span class=\"p\">},<\/span>\n  <span class=\"p\">{<\/span> <span class=\"na\">item<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Headphones<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">price<\/span><span class=\"p\">:<\/span> <span class=\"mi\">50<\/span> <span class=\"p\">},<\/span>\n  <span class=\"p\">{<\/span> <span class=\"na\">item<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Mouse<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">price<\/span><span class=\"p\">:<\/span> <span class=\"mi\">30<\/span> <span class=\"p\">}<\/span>\n<span class=\"p\">];<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">totalCost<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cart<\/span><span class=\"p\">.<\/span><span class=\"nf\">reduce<\/span><span class=\"p\">((<\/span><span class=\"nx\">acc<\/span><span class=\"p\">,<\/span> <span class=\"nx\">product<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">acc<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">product<\/span><span class=\"p\">.<\/span><span class=\"nx\">price<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/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=\"nx\">totalCost<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Output: 880<\/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><strong>\u0686\u0631\u0627 \u062e\u0627\u0635 \u0627\u0633\u062a:<\/strong><br \/><code>reduce()<\/code>  \u0641\u0642\u0637 \u0628\u0631\u0627\u06cc \u0627\u0639\u062f\u0627\u062f \u0646\u06cc\u0633\u062a &#8211; \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0622\u0646 \u0628\u0631\u0627\u06cc \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<ul>\n<li>\u0631\u0634\u062a\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0627 \u0647\u0645 \u062a\u0631\u06a9\u06cc\u0628 \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\u0645\u0633\u0637\u062d \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<\/li>\n<li>\u0633\u0627\u062e\u062a \u0627\u0634\u06cc\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u0648\u06cc\u0627<\/li>\n<\/ul>\n<p><strong>\u06cc\u06a9 \u067e\u06cc\u0686 \u0648 \u062a\u0627\u0628 \u0633\u0631\u06af\u0631\u0645 \u06a9\u0646\u0646\u062f\u0647:<\/strong><br \/>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u062e\u0644\u0627\u0642 \u0628\u0627\u0634\u06cc\u0645! \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>reduce()<\/code> \u0628\u0631\u0627\u06cc \u0634\u0645\u0627\u0631\u0634 \u0627\u06cc\u0646\u06a9\u0647 \u0647\u0631 \u062d\u0631\u0641 \u0686\u0646\u062f \u0628\u0627\u0631 \u062f\u0631 \u06cc\u06a9 \u06a9\u0644\u0645\u0647 \u0638\u0627\u0647\u0631 \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">word<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">reduce<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n<span class=\"kd\">const<\/span> <span class=\"nx\">letterCount<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">word<\/span><span class=\"p\">.<\/span><span class=\"nf\">split<\/span><span class=\"p\">(<\/span><span class=\"dl\">''<\/span><span class=\"p\">).<\/span><span class=\"nf\">reduce<\/span><span class=\"p\">((<\/span><span class=\"nx\">acc<\/span><span class=\"p\">,<\/span> <span class=\"nx\">letter<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"nx\">acc<\/span><span class=\"p\">[<\/span><span class=\"nx\">letter<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">acc<\/span><span class=\"p\">[<\/span><span class=\"nx\">letter<\/span><span class=\"p\">]<\/span> <span class=\"o\">||<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\n  <span class=\"k\">return<\/span> <span class=\"nx\">acc<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">},<\/span> <span class=\"p\">{});<\/span>\n\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">letterCount<\/span><span class=\"p\">);<\/span>\n<span class=\"c1\">\/\/ Output: { r: 1, e: 2, d: 1, u: 1, c: 1 }<\/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><strong>\u0686\u0631\u0627 \u0645\u0628\u062a\u062f\u06cc\u0627\u0646 \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u06cc\u0627\u062f \u0628\u06af\u06cc\u0631\u0646\u062f:<\/strong><br \/>\u0647\u0631 \u0686\u0646\u062f <code>reduce()<\/code> \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0631 \u0627\u0628\u062a\u062f\u0627 \u06a9\u0645\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0627\u062d\u0633\u0627\u0633 \u0634\u0648\u062f\u060c \u062a\u0633\u0644\u0637 \u0628\u0631 \u0622\u0646\u060c \u0627\u0645\u06a9\u0627\u0646\u0627\u062a \u0628\u06cc \u067e\u0627\u06cc\u0627\u0646\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0628\u0627\u0632 \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0645\u0627\u0646\u0646\u062f \u0686\u0627\u0642\u0648\u06cc \u0627\u0631\u062a\u0634 \u0633\u0648\u0626\u06cc\u0633 \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647\u200c\u0627\u06cc \u0627\u0633\u062a &#8211; \u0647\u0645\u0647 \u06a9\u0627\u0631\u0647 \u0648 \u0642\u062f\u0631\u062a\u0645\u0646\u062f.<\/p>\n<blockquote>\n<p>\u00ab\u0627\u0628\u062a\u062f\u0627 \u0645\u0634\u06a9\u0644 \u0631\u0627 \u062d\u0644 \u06a9\u0646\u06cc\u062f. \u0633\u067e\u0633\u060c \u06a9\u062f \u0631\u0627 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f.\u00bb &#8211; \u062c\u0627\u0646 \u062c\u0627\u0646\u0633\u0648\u0646<br \/>\u0628\u0627 ()reduce\u060c \u0634\u0645\u0627 \u0628\u0627 \u06a9\u062f \u0638\u0631\u06cc\u0641 \u0648 \u06a9\u0645\u06cc\u0646\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u062b\u0631 \u0645\u0634\u06a9\u0644\u0627\u062a \u0631\u0627 \u062d\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"4_forEach_%E2%80%93_%DB%8C%DA%A9_Workhorse_%D8%AF%D9%88%D8%B3%D8%AA%D8%A7%D9%86%D9%87_%D8%A8%D8%B1%D8%A7%DB%8C_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7\"><\/span>\n<p>  4. forEach() \u2013 \u06cc\u06a9 Workhorse \u062f\u0648\u0633\u062a\u0627\u0646\u0647 \u0628\u0631\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0635\u062d\u0646\u0647 \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u0645:<\/strong><br \/>\u062e\u0648\u062f\u062a\u0627\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0633\u0631\u0622\u0634\u067e\u0632 \u062f\u0631 \u0622\u0634\u067e\u0632\u062e\u0627\u0646\u0647 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u0686\u0646\u062f\u06cc\u0646 \u063a\u0630\u0627 \u0631\u0627 \u0622\u0645\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0645\u0648\u0627\u062f \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0644\u06cc\u0633\u062a \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u06cc\u0627\u0632 \u062e\u0631\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0628\u0631\u0634 \u0645\u06cc \u0632\u0646\u06cc\u062f \u06cc\u0627 \u0686\u0627\u0634\u0646\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u062f. \u0634\u0645\u0627 \u062e\u0648\u062f \u0644\u06cc\u0633\u062a \u0645\u0648\u0627\u062f \u062a\u0634\u06a9\u06cc\u0644 \u062f\u0647\u0646\u062f\u0647 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0645\u06cc \u062f\u0647\u06cc\u062f &#8211; \u0634\u0645\u0627 \u0641\u0642\u0637 \u06cc\u06a9 \u0639\u0645\u0644 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u0648\u0631\u062f \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u06cc\u062f. \u0627\u06cc\u0646 \u062f\u0642\u06cc\u0642\u0627\u064b \u0647\u0645\u0627\u0646 \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a <code>forEach()<\/code> \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0686\u0647 \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f:<br \/><code>forEach()<\/code>  \u0628\u0647 \u0634\u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062d\u0644\u0642\u0647 \u0628\u0632\u0646\u06cc\u062f \u0648 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f. \u0628\u0631 \u062e\u0644\u0627\u0641 <code>map()<\/code> \u06cc\u0627 <code>filter()<\/code>\u060c \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f\u06cc \u0631\u0627 \u0628\u0631 \u0646\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f &#8211; \u0641\u0642\u0637 \u0627\u0642\u062f\u0627\u0645\u0627\u062a\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p><strong>\u0645\u062b\u0627\u0644:<\/strong><br \/>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0647\u0631 \u0645\u06cc\u0648\u0647 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0686\u0627\u067e \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">fruits<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">apple<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">banana<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">cherry<\/span><span class=\"dl\">'<\/span><span class=\"p\">];<\/span>\n\n<span class=\"nx\">fruits<\/span><span class=\"p\">.<\/span><span class=\"nf\">forEach<\/span><span class=\"p\">(<\/span><span class=\"nx\">fruit<\/span> <span class=\"o\">=&gt;<\/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=\"s2\">`I love <\/span><span class=\"p\">${<\/span><span class=\"nx\">fruit<\/span><span class=\"p\">}<\/span><span class=\"s2\">!`<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">});<\/span>\n<span class=\"c1\">\/\/ Output:<\/span>\n<span class=\"c1\">\/\/ I love apple!<\/span>\n<span class=\"c1\">\/\/ I love banana!<\/span>\n<span class=\"c1\">\/\/ I love cherry!<\/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><strong>\u0627\u06cc\u0646\u062c\u0627 \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f:<\/strong><\/p>\n<ul>\n<li>\n<strong>\u0648\u0631\u0648\u062f\u06cc:<\/strong> \u0645\u062c\u0645\u0648\u0639\u0647 \u0645\u06cc\u0648\u0647 \u0647\u0627<\/li>\n<li>\n<strong>\u0627\u0642\u062f\u0627\u0645:<\/strong> \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u06cc\u06a9 \u067e\u06cc\u0627\u0645 \u0634\u062e\u0635\u06cc \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u06cc\u0648\u0647 \u062b\u0628\u062a \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\n<strong>\u0646\u062a\u06cc\u062c\u0647:<\/strong> \u0647\u06cc\u0686 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f\u06cc \u0627\u06cc\u062c\u0627\u062f \u0646\u0645\u06cc \u0634\u0648\u062f &#8211; \u0641\u0642\u0637 \u0639\u0645\u0644 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f.<\/li>\n<\/ul>\n<p><strong>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0639\u0645\u0644\u06cc:<\/strong><br \/>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0641\u0647\u0631\u0633\u062a\u06cc \u0627\u0632 \u0648\u0638\u0627\u06cc\u0641 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u0648 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u00ab\u062a\u06a9\u0645\u06cc\u0644\u200c\u0634\u062f\u0647\u00bb \u062b\u0628\u062a \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">tasks<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Clean the house<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Do the laundry<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Write code<\/span><span class=\"dl\">'<\/span><span class=\"p\">];<\/span>\n\n<span class=\"nx\">tasks<\/span><span class=\"p\">.<\/span><span class=\"nf\">forEach<\/span><span class=\"p\">(<\/span><span class=\"nx\">task<\/span> <span class=\"o\">=&gt;<\/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=\"s2\">`\u2705 Completed: <\/span><span class=\"p\">${<\/span><span class=\"nx\">task<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">});<\/span>\n<span class=\"c1\">\/\/ Output:<\/span>\n<span class=\"c1\">\/\/ \u2705 Completed: Clean the house<\/span>\n<span class=\"c1\">\/\/ \u2705 Completed: Do the laundry<\/span>\n<span class=\"c1\">\/\/ \u2705 Completed: Write code<\/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><strong>\u0686\u0631\u0627 \u0628\u0627 \u0631\u0648\u0634 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0633\u062a:<\/strong><br \/>\u0628\u0631 \u062e\u0644\u0627\u0641 <code>map()<\/code>\u060c \u06a9\u0647 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c <code>forEach()<\/code> \u0641\u0642\u0637 \u0628\u0631 \u0631\u0648\u06cc \u0639\u0648\u0627\u0631\u0636 \u062c\u0627\u0646\u0628\u06cc \u062a\u0645\u0631\u06a9\u0632 \u0645\u06cc \u06a9\u0646\u062f &#8211; \u0627\u0642\u062f\u0627\u0645\u0627\u062a\u06cc \u06a9\u0647 \u0646\u062a\u06cc\u062c\u0647 \u0645\u0633\u062a\u0642\u06cc\u0645\u06cc \u0627\u06cc\u062c\u0627\u062f \u0646\u0645\u06cc \u06a9\u0646\u0646\u062f \u0627\u0645\u0627 \u0686\u06cc\u0632\u06cc \u062e\u0627\u0631\u062c \u0627\u0632 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u062f\u0647\u0646\u062f \u06cc\u0627 \u0628\u0627 \u0622\u0646 \u062a\u0639\u0627\u0645\u0644 \u062f\u0627\u0631\u0646\u062f.<\/p>\n<p><strong>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644:<\/strong><\/p>\n<ul>\n<li>\u0627\u0631\u0633\u0627\u0644 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc API \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u0648\u0631\u062f \u062f\u0631 \u06cc\u06a9 \u0644\u06cc\u0633\u062a.<\/li>\n<li>\u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc DOM \u0628\u0631\u0627\u06cc \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631.<\/li>\n<li>\u062b\u0628\u062a \u0645\u0642\u0627\u062f\u06cc\u0631 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644<\/li>\n<\/ul>\n<p><strong>\u0632\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646:<\/strong><\/p>\n<ul>\n<li>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>forEach()<\/code> \u0648\u0642\u062a\u06cc:<\/li>\n<li>\u0634\u0645\u0627 \u0641\u0642\u0637 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0631\u0648\u06cc \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u0627 \u0628\u062f\u0648\u0646 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/li>\n<\/ul>\n<p><strong>\u0622\u0646\u0686\u0647 \u0627\u0641\u0631\u0627\u062f \u0645\u0628\u062a\u062f\u06cc \u0628\u0627\u06cc\u062f \u0628\u0647 \u0622\u0646 \u062a\u0648\u062c\u0647 \u06a9\u0646\u0646\u062f:<\/strong><br \/>\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 <code>forEach()<\/code> \u0686\u06cc\u0632\u06cc \u0631\u0627 \u067e\u0633 \u0646\u0645\u06cc \u062f\u0647\u062f\u060c \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc \u0645\u0646\u0627\u0633\u0628 \u0646\u06cc\u0633\u062a. \u0627\u06af\u0631 \u0628\u0647 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f\u060c \u0628\u0647 \u0622\u0646 \u0628\u0686\u0633\u0628\u06cc\u062f <code>map()<\/code> \u06cc\u0627 <code>filter()<\/code>.<\/p>\n<p><strong>\u0645\u062b\u0627\u0644 \u062e\u0644\u0627\u0642\u0627\u0646\u0647:<\/strong><br \/>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u06cc\u06a9 \u0627\u06cc\u0645\u06cc\u0644 \u062a\u0634\u06a9\u0631 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u0634\u062a\u0631\u06cc \u062f\u0631 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0628\u0641\u0631\u0633\u062a\u06cc\u0645 (\u0641\u0642\u0637 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0634\u062f\u0647):<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">customers<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Alice<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Bob<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Charlie<\/span><span class=\"dl\">'<\/span><span class=\"p\">];<\/span>\n\n<span class=\"nx\">customers<\/span><span class=\"p\">.<\/span><span class=\"nf\">forEach<\/span><span class=\"p\">(<\/span><span class=\"nx\">customer<\/span> <span class=\"o\">=&gt;<\/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=\"s2\">`Sending email to <\/span><span class=\"p\">${<\/span><span class=\"nx\">customer<\/span><span class=\"p\">}<\/span><span class=\"s2\">...`<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">});<\/span>\n<span class=\"c1\">\/\/ Output:<\/span>\n<span class=\"c1\">\/\/ Sending email to Alice...<\/span>\n<span class=\"c1\">\/\/ Sending email to Bob...<\/span>\n<span class=\"c1\">\/\/ Sending email to Charlie...<\/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><strong>\u0686\u0631\u0627 \u0645\u0628\u062a\u062f\u06cc\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u0646\u062f:<\/strong><br \/><code>forEach()<\/code>  \u0633\u0627\u062f\u0647 \u0648 \u0634\u0647\u0648\u062f\u06cc \u0627\u0633\u062a \u0627\u06cc\u0646 \u0627\u0648\u0644\u06cc\u0646 \u0642\u062f\u0645 \u062f\u0631 \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0646\u062d\u0648\u0647 \u06a9\u0627\u0631 \u0628\u0627 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627 \u0627\u0633\u062a.<\/p>\n<p><strong>\u0627\u06cc\u0646 \u0631\u0627 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0628\u0633\u067e\u0627\u0631:<\/strong> &#8220;\u0633\u0627\u062f\u06af\u06cc \u06a9\u062f \u0641\u0642\u062f\u0627\u0646 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0646\u06cc\u0633\u062a\u060c \u0628\u0644\u06a9\u0647 \u0647\u0646\u0631 \u062a\u0633\u0644\u0637 \u0628\u0631 \u0622\u0646 \u0627\u0633\u062a.&#8221;<br \/><code>forEach()<\/code>  \u0627\u0648\u0644\u06cc\u0646 \u0627\u0628\u0632\u0627\u0631 \u0634\u0645\u0627 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0631\u0648\u0634\u06cc \u0633\u0627\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_find_%E2%80%93_%DA%A9%D8%B4%D9%81_%D8%A7%D9%88%D9%84%DB%8C%D9%86_%D9%85%D8%B3%D8%A7%D8%A8%D9%82%D9%87\"><\/span>\n<p>  5. <code>find()<\/code> &#8211; \u06a9\u0634\u0641 \u0627\u0648\u0644\u06cc\u0646 \u0645\u0633\u0627\u0628\u0642\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0634\u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u062c\u0633\u062a\u062c\u0648\u06cc \u06af\u0646\u062c \u0628\u0627 \u0646\u0642\u0634\u0647 \u0647\u0633\u062a\u06cc\u062f \u0648 \u0633\u0631\u0646\u062e \u0645\u06cc \u06af\u0648\u06cc\u062f: &#8220;\u0627\u0648\u0644\u06cc\u0646 \u0633\u06a9\u0647 \u0637\u0644\u0627 \u0631\u0627 \u062f\u0631 \u062c\u0646\u06af\u0644 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.&#8221; \u0634\u0645\u0627 \u0634\u0631\u0648\u0639 \u0628\u0647 \u062c\u0633\u062a\u062c\u0648 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0627\u0645\u0627 \u0628\u0647 \u0645\u062d\u0636 \u0627\u06cc\u0646\u06a9\u0647 \u0627\u0648\u0644\u06cc\u0646 \u0633\u06a9\u0647 \u0631\u0627 \u0632\u06cc\u0631 \u06cc\u06a9 \u062f\u0631\u062e\u062a \u0645\u06cc \u062f\u0631\u062e\u0634\u06cc\u062f\u060c \u0645\u062a\u0648\u0642\u0641 \u0645\u06cc \u0634\u0648\u06cc\u062f. \u0634\u0645\u0627 \u0622\u0646\u0686\u0647 \u0631\u0627 \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f \u0648 \u0628\u0642\u06cc\u0647 \u0633\u06a9\u0647 \u0647\u0627 \u0627\u0647\u0645\u06cc\u062a\u06cc \u0646\u062f\u0627\u0631\u0646\u062f. \u062f\u0642\u06cc\u0642\u0627 \u0647\u0645\u06cc\u0646\u0637\u0648\u0631\u0647 <code>find()<\/code> \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f &#8211; \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u0627\u0648\u0644\u06cc\u0646 \u0645\u0648\u0631\u062f \u0631\u0627 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u06a9\u0647 \u0628\u0627 \u0634\u0631\u0627\u06cc\u0637 \u0634\u0645\u0627 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u062f \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f \u0648 \u062f\u06cc\u06af\u0631 \u0627\u0632 \u0622\u0646 \u0645\u0631\u0627\u0642\u0628\u062a \u0646\u0645\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p><strong>\u0686\u0647 \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f:<\/strong><br \/><code>find()<\/code>  \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u06a9\u0646 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0627\u0648\u0644\u06cc\u0646 \u0639\u0646\u0635\u0631\u06cc \u0631\u0627 \u06a9\u0647 \u0634\u0631\u0627\u06cc\u0637 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u062a\u0627\u0628\u0639 \u0634\u0645\u0627 \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. \u0627\u06af\u0631 \u0645\u0637\u0627\u0628\u0642\u062a \u067e\u06cc\u062f\u0627 \u0646\u0634\u062f\u060c \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u062f <code>undefined<\/code>.<\/p>\n<p><strong>\u0645\u062b\u0627\u0644 \u06a9\u062f:<\/strong><br \/>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0639\u062f\u062f \u0627\u0648\u0644 \u0631\u0627 \u0628\u0632\u0631\u06af\u062a\u0631 \u0627\u0632 20 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">numbers<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">10<\/span><span class=\"p\">,<\/span> <span class=\"mi\">15<\/span><span class=\"p\">,<\/span> <span class=\"mi\">25<\/span><span class=\"p\">,<\/span> <span class=\"mi\">30<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">];<\/span>\n<span class=\"kd\">const<\/span> <span class=\"nx\">result<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">numbers<\/span><span class=\"p\">.<\/span><span class=\"nf\">find<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">num<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">20<\/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=\"nx\">result<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Output: 25<\/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><strong>\u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f:<\/strong><\/p>\n<ul>\n<li>\u0634\u0631\u0637 <code>num &gt; 20<\/code> \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<li>\u06cc\u06a9 \u0628\u0627\u0631 <code>25<\/code> \u0634\u0631\u0627\u06cc\u0637 \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f\u060c \u062c\u0633\u062a\u062c\u0648 \u0645\u062a\u0648\u0642\u0641 \u0645\u06cc \u0634\u0648\u062f \u0648 <code>25<\/code> \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<li>\u0647\u06cc\u0686 \u0639\u0646\u0635\u0631 \u062f\u06cc\u06af\u0631\u06cc \u067e\u0633 \u0627\u0632 \u0627\u0648\u0644\u06cc\u0646 \u0645\u0633\u0627\u0628\u0642\u0647 \u0628\u0631\u0631\u0633\u06cc \u0646\u0645\u06cc \u0634\u0648\u062f.<\/li>\n<\/ul>\n<p>\u0641\u06a9\u0631 \u06a9\u0646 <code>find()<\/code> \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u06cc\u06a9 \u0634\u06a9\u0627\u0631 \u0644\u0627\u0634\u062e\u0648\u0631 \u0647\u0633\u062a\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u0634\u0645\u0627 \u06af\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f: &#8220;\u0627\u0648\u0644\u06cc\u0646 \u06af\u0644 \u0642\u0631\u0645\u0632 \u0631\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.&#8221; \u0647\u0631 \u06af\u0644 \u0633\u0631\u062e\u06cc \u0631\u0627 \u062c\u0645\u0639 \u0646\u0645\u06cc \u06a9\u0646\u06cc (\u0647\u0645\u06cc\u0646 <code>filter()<\/code> \u0627\u0646\u062c\u0627\u0645 \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u062f). \u062f\u0631 \u0639\u0648\u0636\u060c \u0628\u0647 \u0645\u062d\u0636 \u0627\u06cc\u0646\u06a9\u0647 \u06cc\u06a9\u06cc \u0631\u0627 \u062f\u06cc\u062f\u06cc\u062f \u0645\u062a\u0648\u0642\u0641 \u0645\u06cc\u200c\u0634\u0648\u06cc\u062f \u0648 \u0641\u0631\u06cc\u0627\u062f \u0645\u06cc\u200c\u0632\u0646\u06cc\u062f: \u00ab\u0645\u06cc\u200c\u0641\u0647\u0645\u0645!\u00bb<\/p>\n<p><strong>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0639\u0645\u0644\u06cc:<\/strong><br \/>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u062f\u0631 \u062d\u0627\u0644 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0645\u062e\u0627\u0637\u0628\u06cc\u0646 \u0647\u0633\u062a\u06cc\u062f \u0648 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u0648\u0644\u06cc\u0646 \u0646\u0641\u0631 \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0622\u062f\u0631\u0633 \u0627\u06cc\u0645\u06cc\u0644 \u062e\u0627\u0635 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">contacts<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\n  <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Alice<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">email<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">alice@example.com<\/span><span class=\"dl\">'<\/span> <span class=\"p\">},<\/span>\n  <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Bob<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">email<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">bob@example.com<\/span><span class=\"dl\">'<\/span> <span class=\"p\">},<\/span>\n  <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Charlie<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">email<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">charlie@example.com<\/span><span class=\"dl\">'<\/span> <span class=\"p\">}<\/span>\n<span class=\"p\">];<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">foundContact<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">contacts<\/span><span class=\"p\">.<\/span><span class=\"nf\">find<\/span><span class=\"p\">(<\/span><span class=\"nx\">contact<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">contact<\/span><span class=\"p\">.<\/span><span class=\"nx\">email<\/span> <span class=\"o\">===<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">bob@example.com<\/span><span class=\"dl\">'<\/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=\"nx\">foundContact<\/span><span class=\"p\">);<\/span>\n<span class=\"c1\">\/\/ Output: { name: 'Bob', email: 'bob@example.com' }<\/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><strong>\u0686\u0631\u0627 \u0645\u0628\u062a\u062f\u06cc\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u0646\u062f:<\/strong><br \/><code>find()<\/code>  \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a \u0648 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0641\u0642\u0637 \u0628\u0647 \u06cc\u06a9 \u0646\u062a\u06cc\u062c\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u062f\u0631 \u0632\u0645\u0627\u0646 \u0635\u0631\u0641\u0647 \u062c\u0648\u06cc\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0645\u0627\u0646\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0686\u0631\u0627\u063a \u0642\u0648\u0647 \u0628\u0631\u0627\u06cc \u062c\u0633\u062a\u062c\u0648\u06cc \u06cc\u06a9 \u0634\u06cc \u062f\u0631 \u06cc\u06a9 \u0627\u062a\u0627\u0642 \u062a\u0627\u0631\u06cc\u06a9 \u0627\u0633\u062a &#8211; \u0633\u0639\u06cc \u0646\u0645\u06cc \u06a9\u0646\u062f \u06a9\u0644 \u0627\u062a\u0627\u0642 \u0631\u0627 \u0631\u0648\u0634\u0646 \u06a9\u0646\u062f.<\/p>\n<p><strong>\u0645\u062b\u0627\u0644 \u062e\u0644\u0627\u0642\u0627\u0646\u0647:<\/strong><br \/>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u06cc\u0646 \u0631\u0627 \u0628\u0647 \u062f\u0646\u06cc\u0627\u06cc \u062a\u062c\u0627\u0631\u062a \u0627\u0644\u06a9\u062a\u0631\u0648\u0646\u06cc\u06a9 \u0628\u0628\u0631\u06cc\u0645. \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u062f\u0627\u0631\u06cc\u062f \u0648 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u0648\u0644\u06cc\u0646 \u0645\u062d\u0635\u0648\u0644\u06cc \u0631\u0627 \u06a9\u0647 \u062f\u0631 \u0641\u0631\u0648\u0634 \u0627\u0633\u062a \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">products<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\n  <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Laptop<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">price<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1000<\/span><span class=\"p\">,<\/span> <span class=\"na\">onSale<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span> <span class=\"p\">},<\/span>\n  <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Headphones<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">price<\/span><span class=\"p\">:<\/span> <span class=\"mi\">200<\/span><span class=\"p\">,<\/span> <span class=\"na\">onSale<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">},<\/span>\n  <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Keyboard<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">price<\/span><span class=\"p\">:<\/span> <span class=\"mi\">150<\/span><span class=\"p\">,<\/span> <span class=\"na\">onSale<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">}<\/span>\n<span class=\"p\">];<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">firstSaleItem<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">products<\/span><span class=\"p\">.<\/span><span class=\"nf\">find<\/span><span class=\"p\">(<\/span><span class=\"nx\">product<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">product<\/span><span class=\"p\">.<\/span><span class=\"nx\">onSale<\/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=\"s2\">`First product on sale: <\/span><span class=\"p\">${<\/span><span class=\"nx\">firstSaleItem<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">);<\/span>\n<span class=\"c1\">\/\/ Output: First product on sale: Headphones<\/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><strong>\u062f\u0633\u062a\u0647 \u0647\u0627\u06cc \u0644\u0628\u0647 \u0627\u06cc:<\/strong><br \/>\u0627\u06af\u0631 \u0647\u06cc\u0686 \u0645\u0648\u0631\u062f\u06cc \u0628\u0627 \u0634\u0631\u0627\u06cc\u0637 \u0634\u0645\u0627 \u0645\u0637\u0627\u0628\u0642\u062a \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0686\u0647\u061f \u0646\u06af\u0631\u0627\u0646 \u0646\u0628\u0627\u0634 &#8211;<code>find()<\/code> \u0628\u0627\u0632\u06af\u0634\u062a \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f <code>undefined<\/code>. \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u06cc\u06a9 \u0628\u06a9 \u06af\u0631\u0627\u0646\u062f \u0627\u06cc\u0646 \u0631\u0627 \u0628\u0647 \u062e\u0648\u0628\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">result<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">numbers<\/span><span class=\"p\">.<\/span><span class=\"nf\">find<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">num<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">100<\/span><span class=\"p\">)<\/span> <span class=\"o\">||<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">No match found<\/span><span class=\"dl\">'<\/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=\"nx\">result<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Output: No match found<\/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><strong>\u0686\u0631\u0627 find() \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a:<\/strong><\/p>\n<ul>\n<li>\u06a9\u0627\u0631\u0627\u06cc\u06cc: \u0628\u0647 \u0645\u062d\u0636 \u0627\u06cc\u0646\u06a9\u0647 \u0627\u0648\u0644\u06cc\u0646 \u0645\u0633\u0627\u0628\u0642\u0647 \u0631\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062f \u0645\u062a\u0648\u0642\u0641 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<li>\u0648\u0636\u0648\u062d: \u0647\u062f\u0641 \u0634\u0645\u0627 \u0631\u0627 \u062f\u0631 \u06a9\u062f \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f\u2014\u062c\u0633\u062a\u062c\u0648\u06cc \u06cc\u06a9 \u0645\u0648\u0631\u062f.<\/li>\n<li>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc: \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0628\u0631\u0627\u06cc \u0645\u06a9\u0627\u0646 \u06cc\u0627\u0628\u06cc \u06cc\u06a9 \u06a9\u0627\u0631\u0628\u0631\u060c \u0645\u062d\u0635\u0648\u0644 \u06cc\u0627 \u0646\u0642\u0637\u0647 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\"><\/span>\n<p>  \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u0627\u0628\u0632\u0627\u0631 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a \u0648 \u0627\u06cc\u0646 \u067e\u0646\u062c \u0645\u0648\u0631\u062f <code>methods\u2014map()<\/code>\u060c <code>filter()<\/code>\u060c <code>reduce()<\/code>\u060c <code>forEach()<\/code>\u060c \u0648 <code>find()<\/code>&#8211; \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0628\u0627\u0632 \u06a9\u0631\u062f\u0646 \u067e\u062a\u0627\u0646\u0633\u06cc\u0644 \u0648\u0627\u0642\u0639\u06cc \u0622\u0646 \u0647\u0633\u062a\u0646\u062f. \u0622\u0646\u0647\u0627 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u0646\u062f \u062a\u0627 \u06a9\u062f\u0647\u0627\u06cc \u062a\u0645\u06cc\u0632\u062a\u0631 \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f \u0648 \u062f\u0631 \u0639\u06cc\u0646 \u062d\u0627\u0644 \u0634\u0645\u0627 \u0631\u0627 \u0627\u0632 \u062d\u0644\u0642\u0647 \u0647\u0627\u06cc \u0628\u06cc \u067e\u0627\u06cc\u0627\u0646 \u0648 \u06a9\u0627\u0631\u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc \u0646\u062c\u0627\u062a \u0645\u06cc \u062f\u0647\u0646\u062f. \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0686\u0627\u0642\u0648\u06cc \u0627\u0631\u062a\u0634 \u0633\u0648\u0626\u06cc\u0633 \u062f\u0631 \u062c\u0639\u0628\u0647 \u0627\u0628\u0632\u0627\u0631 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u062e\u0648\u062f \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f: \u0647\u0645\u0647 \u06a9\u0627\u0631\u0647\u060c \u0642\u0627\u0628\u0644 \u0627\u0639\u062a\u0645\u0627\u062f\u060c \u0648 \u0633\u0627\u062e\u062a\u0647 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u0622\u0633\u0627\u0646 \u062a\u0631 \u06a9\u0631\u062f\u0646 \u0632\u0646\u062f\u06af\u06cc \u0634\u0645\u0627.<\/p>\n<p>\u062a\u0633\u0644\u0637 \u0628\u0631 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0641\u0642\u0637 \u062f\u0631 \u0645\u0648\u0631\u062f \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0646\u062d\u0648 \u0646\u06cc\u0633\u062a &#8211; \u0628\u0644\u06a9\u0647 \u062f\u0631 \u0645\u0648\u0631\u062f \u0641\u06a9\u0631 \u06a9\u0631\u062f\u0646 \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u06a9\u0647 \u0622\u06cc\u0627 \u0634\u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u062a\u0628\u062f\u06cc\u0644 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0627 map()\u060c \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646 \u0646\u0648\u06cc\u0632 \u0628\u0627 <code>filter()<\/code>\u060c \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0631\u0627 \u0628\u0627 <code>reduce()<\/code>\u060c \u062a\u06a9\u0631\u0627\u0631 \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0628\u0627 <code>forEach()<\/code>\u060c \u06cc\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062f\u0646 \u0622\u0646 \u06af\u0648\u0647\u0631 \u067e\u0646\u0647\u0627\u0646 \u0628\u0627 <code>find()<\/code>\u060c \u0634\u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u0627\u06cc\u062c\u0627\u062f \u0645\u0647\u0627\u0631\u062a \u0647\u0627\u06cc\u06cc \u0647\u0633\u062a\u06cc\u062f \u06a9\u0647 \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u062d\u0631\u0641\u0647 \u0627\u06cc \u062a\u0631 \u0648 \u062a\u0627\u062b\u06cc\u0631\u06af\u0630\u0627\u0631\u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f\u060c \u062c\u0627\u062f\u0648\u06cc \u06a9\u062f\u0646\u0648\u06cc\u0633\u06cc \u062f\u0631 \u0646\u0648\u0634\u062a\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u0648 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0646\u06cc\u0633\u062a\u060c \u0628\u0644\u06a9\u0647 \u062f\u0631 \u06cc\u0627\u0641\u062a\u0646 \u0631\u0627\u0647 \u062d\u0644 \u0647\u0627\u06cc \u0638\u0631\u06cc\u0641 \u0628\u0631\u0627\u06cc \u0645\u0633\u0627\u0626\u0644 \u0631\u0648\u0632\u0645\u0631\u0647 \u0627\u0633\u062a. \u0627\u0632 \u06a9\u0648\u0686\u06a9 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u062f: \u06cc\u06a9 \u0631\u0648\u0634 \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f\u060c \u0622\u0646 \u0631\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u062f \u0648 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0628\u0639\u062f\u06cc \u062e\u0648\u062f \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f. \u0647\u0631\u0686\u0647 \u0628\u06cc\u0634\u062a\u0631 \u062a\u0645\u0631\u06cc\u0646 \u06a9\u0646\u06cc\u062f\u060c \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0628\u06cc\u0634\u062a\u0631 \u0634\u0628\u06cc\u0647 \u0637\u0628\u06cc\u0639\u062a \u062f\u0648\u0645 \u062e\u0648\u0627\u0647\u0646\u062f \u0628\u0648\u062f.<\/p>\n<blockquote>\n<p>&#8220;\u0628\u0647\u062a\u0631\u06cc\u0646 \u06a9\u062f \u06a9\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u062a\u0648\u0636\u06cc\u062d \u0622\u0646 \u0646\u06cc\u0633\u062a.&#8221; &#8211; \u0645\u0627\u0631\u062a\u06cc\u0646 \u0641\u0627\u0648\u0644\u0631<br \/>\u0627\u0632 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062e\u0648\u062f\u0634 \u0635\u062d\u0628\u062a \u06a9\u0646\u062f.<\/p>\n<\/blockquote>\n<p>\u0646\u0638\u0631\u0627\u062a \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631\u0627\u062a \u0628\u0647 \u0645\u0646 \u0628\u06af\u0648\u06cc\u06cc\u062f! \u0622\u06cc\u0627 \u0627\u0632 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f\u061f \u0645\u0646 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u0645 \u062a\u062c\u0631\u0628\u0647 \u0634\u0645\u0627 \u0631\u0627 \u0628\u0634\u0646\u0648\u0645.<\/p>\n<blockquote>\n<p>\u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u062f\u0631 \u0627\u0635\u0644 \u062f\u0631 \u0647\u0634\u0646\u0648\u062f \u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u0627\u0633\u062a<\/p>\n<\/blockquote><\/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 \u0645\u0627\u0646\u0646\u062f \u0686\u0627\u0642\u0648\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0627\u0631\u062a\u0634 \u0633\u0648\u0626\u06cc\u0633 \u0627\u0633\u062a &#8211; \u0647\u0645\u0647 \u06a9\u0627\u0631\u0647\u060c \u0636\u0631\u0648\u0631\u06cc \u0648 \u0645\u0645\u0644\u0648 \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0646\u0645\u06cc \u062f\u0627\u0646\u0633\u062a\u06cc\u062f \u0628\u0647 \u0622\u0646\u0647\u0627 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f. \u0627\u0645\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u0628\u062a\u062f\u06cc\u060c \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646 \u062f\u0631 \u062d\u0644\u0642\u0647 \u0647\u0627 \u062f\u0631\u06af\u06cc\u0631 \u0634\u062f \u0648 \u062a\u0648\u0633\u0637 \u06a9\u062f\u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u0648 \u062a\u06a9\u0631\u0627\u0631\u06cc \u063a\u0631\u0642 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":83333,"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-83332","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\/83332","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=83332"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/83332\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/83333"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=83332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=83332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=83332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}