{"id":71271,"date":"2024-07-29T09:13:34","date_gmt":"2024-07-29T05:43:34","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/"},"modified":"2024-07-29T09:13:34","modified_gmt":"2024-07-29T05:43:34","slug":"understanding-javascript-promises-29j4","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/","title":{"rendered":"\u062f\u0631\u06a9 \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a &#8211; \u0627\u0646\u062c\u0645\u0646 DEV"},"content":{"rendered":"<p>Summarize this content to 400 words in Persian Lang<br \/>\n            \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u0631\u0627\u0647 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0633\u062a.  \u0642\u0628\u0644 \u0627\u0632 \u0645\u0639\u0631\u0641\u06cc \u0648\u0639\u062f\u0647 \u0647\u0627\u060c \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0631\u0648\u0634 \u0627\u0635\u0644\u06cc \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0648\u0638\u0627\u06cc\u0641 \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0648\u062f.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u062a\u0645\u0627\u0633\u200c\u0647\u0627\u06cc \u0628\u0631\u06af\u0634\u062a\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0647 \u00ab\u062c\u0647\u0646\u0645 \u067e\u0627\u0633\u062e \u0628\u0647 \u062a\u0645\u0627\u0633\u00bb \u0645\u0646\u062c\u0631 \u0634\u0648\u0646\u062f\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648 \u062e\u0648\u0627\u0646\u062f\u0646 \u062a\u0645\u0627\u0633\u200c\u0647\u0627\u06cc \u062a\u0648\u062f\u0631\u062a\u0648 \u062f\u0634\u0648\u0627\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f.  Promises \u0631\u0648\u0634\u06cc \u062a\u0645\u06cc\u0632\u062a\u0631 \u0648 \u062e\u0648\u0627\u0646\u0627\u062a\u0631 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>  \u0648\u0639\u062f\u0647 \u0686\u06cc\u0633\u062a\u061f<\/p>\n<p>\u06cc\u06a9 \u0648\u0639\u062f\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u062a\u06a9\u0645\u06cc\u0644 (\u06cc\u0627 \u0634\u06a9\u0633\u062a) \u0646\u0647\u0627\u06cc\u06cc \u06cc\u06a9 \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0648 \u0645\u0642\u062f\u0627\u0631 \u062d\u0627\u0635\u0644 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a.  \u0627\u06cc\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u06cc\u06a9\u06cc \u0627\u0632 \u0633\u0647 \u062d\u0627\u0644\u062a \u0628\u0627\u0634\u062f:<\/p>\n<p>\u062f\u0631 \u0627\u0646\u062a\u0638\u0627\u0631: \u062d\u0627\u0644\u062a \u0627\u0648\u0644\u06cc\u0647\u060c \u0646\u0647 \u0627\u0646\u062c\u0627\u0645 \u0634\u062f\u0647 \u0648 \u0646\u0647 \u0631\u062f \u0634\u062f\u0647 \u0627\u0633\u062a.<br \/>\n\u0627\u0646\u062c\u0627\u0645 \u0634\u062f: \u0639\u0645\u0644\u06cc\u0627\u062a \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u0627\u0646\u062c\u0627\u0645 \u0634\u062f.<br \/>\n\u0631\u062f \u0634\u062f: \u0639\u0645\u0644\u06cc\u0627\u062a \u0634\u06a9\u0633\u062a \u062e\u0648\u0631\u062f.<\/p>\n<p>  \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0648\u0639\u062f\u0647<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0648\u0639\u062f\u0647\u060c \u0627\u0632 \u0633\u0627\u0632\u0646\u062f\u0647 Promise \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062a\u0627\u0628\u0639\u06cc \u0631\u0627 \u0628\u0627 \u062f\u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0645\u06cc \u06af\u06cc\u0631\u062f: Resol \u0648 Reject.  \u0627\u06cc\u0646 \u062a\u0648\u0627\u0628\u0639 \u0648\u0636\u0639\u06cc\u062a \u0648\u0639\u062f\u0647 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<p>const myPromise = new Promise((resolve, reject) =&gt; {<br \/>\n  let success = true; \/\/ Simulate an operation<br \/>\n  if (success) {<br \/>\n    resolve(&#8220;Operation successful!&#8221;);<br \/>\n  } else {<br \/>\n    reject(&#8220;Operation failed.&#8221;);<br \/>\n  }<br \/>\n});<\/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\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0648\u0639\u062f\u0647 \u0647\u0627<\/p>\n<p>\u0648\u0639\u062f\u0647\u200c\u0647\u0627 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0627\u0631\u0646\u062f.<\/p>\n<p>\u0633\u067e\u0633: \u0647\u0646\u06af\u0627\u0645 \u0648\u0641\u0627\u06cc \u0628\u0647 \u0648\u0639\u062f\u0647 \u062e\u0648\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<br \/>\n\u06af\u0631\u0641\u062a\u0646: \u0628\u0647 \u0647\u0646\u06af\u0627\u0645 \u0631\u062f\u0651 \u0642\u0648\u0644 \u062e\u0648\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<br \/>\n\u062f\u0631 \u0646\u0647\u0627\u06cc\u062a: \u0628\u062f\u0648\u0646 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0646\u062a\u06cc\u062c\u0647 \u0642\u0648\u0644 \u062a\u0645\u0627\u0633 \u06af\u0631\u0641\u062a.<\/p>\n<p>myPromise<br \/>\n  .then((message) =&gt; {<br \/>\n    console.log(message); \/\/ &#8220;Operation successful!&#8221;<br \/>\n  })<br \/>\n  .catch((error) =&gt; {<br \/>\n    console.error(error); \/\/ &#8220;Operation failed.&#8221;<br \/>\n  })<br \/>\n  .finally(() =&gt; {<br \/>\n    console.log(&#8220;Operation completed.&#8221;);<br \/>\n  });<\/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>  \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc<\/p>\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0632\u06cc\u062a \u0647\u0627\u06cc \u0627\u0635\u0644\u06cc \u0648\u0639\u062f\u0647 \u0647\u0627 \u0632\u0646\u062c\u06cc\u0631 \u0632\u0646\u06cc \u0627\u0633\u062a.  \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0686\u0646\u062f\u06cc\u0646 \u0648 \u0633\u067e\u0633 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0631\u0627 \u0632\u0646\u062c\u06cc\u0631\u0647\u200c\u0627\u06cc \u06a9\u0646\u06cc\u062f \u062a\u0627 \u062f\u0646\u0628\u0627\u0644\u0647\u200c\u0627\u06cc \u0627\u0632 \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<p>const firstPromise = new Promise((resolve) =&gt; {<br \/>\n  setTimeout(() =&gt; resolve(&#8220;First promise resolved&#8221;), 1000);<br \/>\n});<\/p>\n<p>firstPromise<br \/>\n  .then((result) =&gt; {<br \/>\n    console.log(result); \/\/ &#8220;First promise resolved&#8221;<br \/>\n    return new Promise((resolve) =&gt; {<br \/>\n      setTimeout(() =&gt; resolve(&#8220;Second promise resolved&#8221;), 1000);<br \/>\n    });<br \/>\n  })<br \/>\n  .then((result) =&gt; {<br \/>\n    console.log(result); \/\/ &#8220;Second promise resolved&#8221;<br \/>\n  })<br \/>\n  .catch((error) =&gt; {<br \/>\n    console.error(error);<br \/>\n  });<\/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>  \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u0645\u062a\u0639\u062f\u062f<\/p>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u062a\u062f\u0647\u0627\u06cc \u0627\u0628\u0632\u0627\u0631\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0686\u0646\u062f\u06cc\u0646 \u0648\u0639\u062f\u0647 \u0628\u0647 \u0635\u0648\u0631\u062a \u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f: Promise.all\u060c Promise.race\u060c Promise.allSettled\u060c \u0648 Promise.any.<\/p>\n<p>Promise.all: \u0645\u0646\u062a\u0638\u0631 \u0645\u06cc \u0645\u0627\u0646\u062f \u062a\u0627 \u0647\u0645\u0647 \u0642\u0648\u0644 \u0647\u0627 \u062d\u0644 \u0634\u0648\u0646\u062f \u06cc\u0627 \u0647\u0631 \u06cc\u06a9 \u0631\u062f \u0634\u0648\u062f.<\/p>\n<p>const promise1 = Promise.resolve(3);<br \/>\nconst promise2 = 42;<br \/>\nconst promise3 = new Promise((resolve) =&gt; setTimeout(resolve, 100, &#8216;foo&#8217;));<\/p>\n<p>Promise.all([promise1, promise2, promise3]).then((values) =&gt; {<br \/>\n  console.log(values); \/\/ [3, 42, &#8216;foo&#8217;]\n});<\/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>Promise.race: \u0628\u0647 \u0645\u062d\u0636 \u0631\u0641\u0639 \u06cc\u0627 \u0631\u062f \u06cc\u06a9\u06cc \u0627\u0632 \u0648\u0639\u062f\u0647 \u0647\u0627\u060c \u0631\u0641\u0639 \u06cc\u0627 \u0631\u062f \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>const promise1 = new Promise((resolve) =&gt; setTimeout(resolve, 500, &#8216;one&#8217;));<br \/>\nconst promise2 = new Promise((resolve) =&gt; setTimeout(resolve, 100, &#8216;two&#8217;));<\/p>\n<p>Promise.race([promise1, promise2]).then((value) =&gt; {<br \/>\n  console.log(value); \/\/ &#8220;two&#8221;<br \/>\n});<\/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>Promise.allSettled: \u0645\u0646\u062a\u0638\u0631 \u0645\u06cc \u0645\u0627\u0646\u062f \u062a\u0627 \u0647\u0645\u0647 \u0648\u0639\u062f\u0647 \u0647\u0627 \u062d\u0644 \u0648 \u0641\u0635\u0644 \u0634\u0648\u0646\u062f (\u06cc\u0627 \u062d\u0644 \u0648 \u0641\u0635\u0644 \u0634\u0648\u0646\u062f \u06cc\u0627 \u0631\u062f \u0634\u0648\u0646\u062f).<\/p>\n<p>const promise1 = Promise.resolve(42);<br \/>\nconst promise2 = Promise.reject(&#8216;error&#8217;);<br \/>\nconst promise3 = new Promise((resolve) =&gt; setTimeout(resolve, 100, &#8216;foo&#8217;));<\/p>\n<p>Promise.allSettled([promise1, promise2, promise3]).then((results) =&gt; {<br \/>\n  results.forEach((result) =&gt; console.log(result.status));<br \/>\n  \/\/ &#8220;fulfilled&#8221;<br \/>\n  \/\/ &#8220;rejected&#8221;<br \/>\n  \/\/ &#8220;fulfilled&#8221;<br \/>\n});<\/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>Promise.any: \u0645\u0646\u062a\u0638\u0631 \u062d\u0644 \u0634\u062f\u0646 \u0647\u0631 \u0642\u0648\u0644\u06cc \u0627\u0633\u062a.<\/p>\n<p>const promise1 = Promise.reject(&#8216;error1&#8217;);<br \/>\nconst promise2 = new Promise((resolve) =&gt; setTimeout(resolve, 100, &#8216;foo&#8217;));<\/p>\n<p>Promise.any([promise1, promise2]).then((value) =&gt; {<br \/>\n  console.log(value); \/\/ &#8220;foo&#8221;<br \/>\n}).catch((error) =&gt; {<br \/>\n  console.error(error); \/\/ AggregateError: All promises were rejected<br \/>\n});<\/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\u0634\u062a\u0628\u0627\u0647\u0627\u062a \u0631\u0627\u06cc\u062c \u0628\u0627 \u0648\u0639\u062f\u0647 \u0647\u0627<\/p>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0648\u0639\u062f\u0647 \u0647\u0627 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0647\u0633\u062a\u0646\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0645\u0646\u0628\u0639 \u0633\u0631\u062f\u0631\u06af\u0645\u06cc \u0648 \u062e\u0637\u0627 \u0646\u06cc\u0632 \u0628\u0627\u0634\u0646\u062f.  \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0627\u0634\u062a\u0628\u0627\u0647\u0627\u062a \u0631\u0627\u06cc\u062c \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0647\u0646\u06af\u0627\u0645 \u06a9\u0627\u0631 \u0628\u0627 \u0648\u0639\u062f\u0647 \u0647\u0627 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f:<\/p>\n<p>  1. \u0639\u062f\u0645 \u0628\u0627\u0632\u06af\u0634\u062a \u06cc\u06a9 \u0648\u0639\u062f\u0647 \u062f\u0631 \u06cc\u06a9 Handler<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0632\u062f\u0646 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u06a9\u0627\u0631 \u06a9\u0646\u062f\u060c \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0648\u0639\u062f\u0647 \u0631\u0627 \u062f\u0631 \u062f\u0627\u062e\u0644 \u06cc\u06a9 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u067e\u0633 \u0627\u0632 \u0622\u0646 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u06cc\u062f.  \u0639\u062f\u0645 \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0631\u0627 \u0645\u06cc \u0634\u06a9\u0646\u062f.<\/p>\n<p>firstPromise<br \/>\n  .then((result) =&gt; {<br \/>\n    console.log(result);<br \/>\n    new Promise((resolve) =&gt; setTimeout(resolve, 1000, &#8216;Second promise resolved&#8217;)); \/\/ Missing return<br \/>\n  })<br \/>\n  .then((result) =&gt; {<br \/>\n    console.log(result); \/\/ This will log undefined<br \/>\n  });<\/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>  2. \u06af\u0631\u0641\u062a\u0646 \u062e\u0637\u0627\u0647\u0627 \u062e\u06cc\u0644\u06cc \u0632\u0648\u062f<\/p>\n<p>\u062a\u0634\u062e\u06cc\u0635 \u062e\u0637\u0627 \u062f\u0631 \u0627\u0648\u0627\u06cc\u0644 \u06cc\u06a9 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u0622\u06af\u0627\u0647\u06cc \u067e\u0627\u06cc\u06cc\u0646 \u062f\u0633\u062a \u0648 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627 \u0627\u0632 \u062e\u0637\u0627 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u062f.<\/p>\n<p>firstPromise<br \/>\n  .then((result) =&gt; {<br \/>\n    throw new Error(&#8216;Something went wrong&#8217;);<br \/>\n  })<br \/>\n  .catch((error) =&gt; {<br \/>\n    console.error(error); \/\/ Caught too early<br \/>\n  })<br \/>\n  .then(() =&gt; {<br \/>\n    console.log(&#8216;This will still run&#8217;);<br \/>\n  });<\/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>\u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0645\u0631\u060c \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627 \u0631\u0627 \u062f\u0631 \u0627\u0646\u062a\u0647\u0627\u06cc \u0632\u0646\u062c\u06cc\u0631\u0647 \u06cc\u0627 \u062a\u0627 \u062d\u062f \u0627\u0645\u06a9\u0627\u0646 \u0646\u0632\u062f\u06cc\u06a9 \u0628\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a \u062e\u0627\u0635 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f.<\/p>\n<p>  3. \u0627\u06cc\u062c\u0627\u062f \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc<\/p>\n<p>\u0645\u0639\u0645\u0648\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0645\u0632\u0645\u0627\u0646 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062f\u0631 \u0648\u0639\u062f\u0647 \u0647\u0627 \u0628\u067e\u06cc\u0686\u06cc\u062f\u060c \u06a9\u0647 \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0628\u0647 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0645\u06cc \u0627\u0641\u0632\u0627\u06cc\u062f.<\/p>\n<p>const promise = new Promise((resolve) =&gt; {<br \/>\n  resolve(&#8216;Hello, World!&#8217;);<br \/>\n});<br \/>\npromise.then((message) =&gt; console.log(message));<\/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\u0631 \u0639\u0648\u0636\u060c \u0641\u0642\u0637 \u0627\u0632 \u0645\u0642\u062f\u0627\u0631 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<p>Promise.resolve(&#8216;Hello, World!&#8217;).then((message) =&gt; console.log(message));<\/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>  4. \u0641\u0631\u0627\u0645\u0648\u0634 \u06a9\u0631\u062f\u0646 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0631\u062f<\/p>\n<p>\u0647\u0645\u06cc\u0634\u0647 \u0631\u062f\u0647\u0627 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0627\u0632 \u0631\u062f \u0648\u0639\u062f\u0647\u200c\u0647\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0646\u0634\u062f\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f\u060c \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0639\u062b \u0627\u06cc\u062c\u0627\u062f \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u062f\u0631 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0634\u0645\u0627 \u0634\u0648\u062f.<\/p>\n<p>const promise = new Promise((_, reject) =&gt; {<br \/>\n  reject(&#8216;Error occurred&#8217;);<br \/>\n});<br \/>\npromise.then((message) =&gt; console.log(message)); \/\/ No catch handler<\/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>\u0647\u0645\u06cc\u0634\u0647 \u06cc\u06a9 \u0628\u0644\u0648\u06a9 catch \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<p>promise<br \/>\n  .then((message) =&gt; console.log(message))<br \/>\n  .catch((error) =&gt; console.error(error));<\/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>  5. \u0645\u062e\u0644\u0648\u0637 \u06a9\u0631\u062f\u0646 Promises \u0648 Async\/Await<\/p>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0648\u0639\u062f\u0647\u200c\u0647\u0627 \u0648 \u0647\u0645\u06af\u0627\u0645\u200c\u0633\u0627\u0632\u06cc\/\u0627\u0646\u062a\u0638\u0627\u0631 \u0647\u0631 \u062f\u0648 \u0631\u0648\u0634\u06cc \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u062f\u0647\u0627\u06cc \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0647\u0633\u062a\u0646\u062f\u060c \u0645\u062e\u0644\u0648\u0637 \u06a9\u0631\u062f\u0646 \u0622\u0646\u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0633\u0631\u062f\u0631\u06af\u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>async function fetchData() {<br \/>\n  const data = await fetch(&#8216;https:\/\/api.example.com\/data&#8217;);<br \/>\n  data.then((result) =&gt; console.log(result)); \/\/ Unnecessary promise<br \/>\n}<\/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>\u0628\u0647 \u06cc\u06a9 \u0631\u0648\u06cc\u06a9\u0631\u062f \u067e\u0627\u06cc\u0628\u0646\u062f \u0628\u0627\u0634\u06cc\u062f:<\/p>\n<p>async function fetchData() {<br \/>\n  const data = await fetch(&#8216;https:\/\/api.example.com\/data&#8217;);<br \/>\n  console.log(await data.json());<br \/>\n}<\/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>  \u0646\u062a\u06cc\u062c\u0647<\/p>\n<p>Promises \u0628\u062e\u0634 \u0627\u0633\u0627\u0633\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u062f\u0631\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0631\u0627\u0647\u06cc \u0642\u0648\u06cc \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.  \u0628\u0627 \u062f\u0631\u06a9 \u0646\u062d\u0648\u0647 \u0627\u06cc\u062c\u0627\u062f\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648\u0639\u062f\u0647\u200c\u0647\u0627\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u06a9\u062f \u062a\u0645\u06cc\u0632\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc\u200c\u062a\u0631\u06cc \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f.  \u0627\u062c\u062a\u0646\u0627\u0628 \u0627\u0632 \u0627\u0634\u062a\u0628\u0627\u0647\u0627\u062a \u0631\u0627\u06cc\u062c \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u062b\u0631 \u0627\u0632 \u0642\u0648\u0644 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u0648 \u0627\u0632 \u062f\u0627\u0645 \u0647\u0627\u06cc \u0627\u062d\u062a\u0645\u0627\u0644\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f.  \u0686\u0647 \u062f\u0631 \u062d\u0627\u0644 \u0627\u0646\u062c\u0627\u0645 \u06cc\u06a9 \u06a9\u0627\u0631 \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u06cc\u0627 \u0647\u0645\u0627\u0647\u0646\u06af \u06a9\u0631\u062f\u0646 \u0686\u0646\u062f\u06cc\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0627\u0634\u06cc\u062f\u060c \u0648\u0639\u062f\u0647 \u0647\u0627 \u0627\u0628\u0632\u0627\u0631 \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u06cc \u062f\u0631 \u062c\u0639\u0628\u0647 \u0627\u0628\u0632\u0627\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0634\u0645\u0627 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u067e\u0633\u062a \u062f\u0631 \u0627\u0628\u062a\u062f\u0627 \u062f\u0631 \u0648\u0628\u0644\u0627\u06af \u0645\u0646 \u0645\u0646\u062a\u0634\u0631 \u0634\u062f.  \u0645\u0646\u0628\u0639 \u0627\u0635\u0644\u06cc \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0644\u06cc\u0646\u06a9 \u0632\u06cc\u0631 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n<p>          \u0646\u06a9\u0627\u062a \u0636\u0631\u0648\u0631\u06cc \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0627\u06cc\u062c\u0627\u062f\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0648 \u0645\u0634\u06a9\u0644\u0627\u062a \u0631\u0627\u06cc\u062c \u0631\u0627 \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f.  \u0646\u062d\u0648\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0631\u0627 \u0628\u062f\u0627\u0646\u06cc\u062f.<\/p>\n<p>        rahulvijayvergiya.hashnode.dev<\/p>\n<div data-article-id=\"1939545\" id=\"article-body\">\n<p>\u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u0631\u0627\u0647 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0633\u062a.  \u0642\u0628\u0644 \u0627\u0632 \u0645\u0639\u0631\u0641\u06cc \u0648\u0639\u062f\u0647 \u0647\u0627\u060c \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0631\u0648\u0634 \u0627\u0635\u0644\u06cc \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0648\u0638\u0627\u06cc\u0641 \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0648\u062f.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u062a\u0645\u0627\u0633\u200c\u0647\u0627\u06cc \u0628\u0631\u06af\u0634\u062a\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0647 \u00ab\u062c\u0647\u0646\u0645 \u067e\u0627\u0633\u062e \u0628\u0647 \u062a\u0645\u0627\u0633\u00bb \u0645\u0646\u062c\u0631 \u0634\u0648\u0646\u062f\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648 \u062e\u0648\u0627\u0646\u062f\u0646 \u062a\u0645\u0627\u0633\u200c\u0647\u0627\u06cc \u062a\u0648\u062f\u0631\u062a\u0648 \u062f\u0634\u0648\u0627\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f.  Promises \u0631\u0648\u0634\u06cc \u062a\u0645\u06cc\u0632\u062a\u0631 \u0648 \u062e\u0648\u0627\u0646\u0627\u062a\u0631 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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=\"\u062a\u063a\u06cc\u06cc\u0631 \u0648\u0636\u0639\u06cc\u062a \u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628\"><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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/#%D9%88%D8%B9%D8%AF%D9%87_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\" >\u0648\u0639\u062f\u0647 \u0686\u06cc\u0633\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/#%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF_%DB%8C%DA%A9_%D9%88%D8%B9%D8%AF%D9%87\" >\u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0648\u0639\u062f\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/#%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%D9%88%D8%B9%D8%AF%D9%87_%D9%87%D8%A7\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0648\u0639\u062f\u0647 \u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/#%D9%88%D8%B9%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%D8%B2%D9%86%D8%AC%DB%8C%D8%B1%D9%87_%D8%A7%DB%8C\" >\u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/#%D8%B1%D8%B3%DB%8C%D8%AF%DA%AF%DB%8C_%D8%A8%D9%87_%D9%88%D8%B9%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%D9%85%D8%AA%D8%B9%D8%AF%D8%AF\" >\u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u0645\u062a\u0639\u062f\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/#%D8%A7%D8%B4%D8%AA%D8%A8%D8%A7%D9%87%D8%A7%D8%AA_%D8%B1%D8%A7%DB%8C%D8%AC_%D8%A8%D8%A7_%D9%88%D8%B9%D8%AF%D9%87_%D9%87%D8%A7\" >\u0627\u0634\u062a\u0628\u0627\u0647\u0627\u062a \u0631\u0627\u06cc\u062c \u0628\u0627 \u0648\u0639\u062f\u0647 \u0647\u0627<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/#1_%D8%B9%D8%AF%D9%85_%D8%A8%D8%A7%D8%B2%DA%AF%D8%B4%D8%AA_%DB%8C%DA%A9_%D9%88%D8%B9%D8%AF%D9%87_%D8%AF%D8%B1_%DB%8C%DA%A9_Handler\" >1. \u0639\u062f\u0645 \u0628\u0627\u0632\u06af\u0634\u062a \u06cc\u06a9 \u0648\u0639\u062f\u0647 \u062f\u0631 \u06cc\u06a9 Handler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/#2_%DA%AF%D8%B1%D9%81%D8%AA%D9%86_%D8%AE%D8%B7%D8%A7%D9%87%D8%A7_%D8%AE%DB%8C%D9%84%DB%8C_%D8%B2%D9%88%D8%AF\" >2. \u06af\u0631\u0641\u062a\u0646 \u062e\u0637\u0627\u0647\u0627 \u062e\u06cc\u0644\u06cc \u0632\u0648\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/#3_%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF_%D9%88%D8%B9%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%D8%BA%DB%8C%D8%B1_%D8%B6%D8%B1%D9%88%D8%B1%DB%8C\" >3. \u0627\u06cc\u062c\u0627\u062f \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/#4_%D9%81%D8%B1%D8%A7%D9%85%D9%88%D8%B4_%DA%A9%D8%B1%D8%AF%D9%86_%D8%B1%D8%B3%DB%8C%D8%AF%DA%AF%DB%8C_%D8%A8%D9%87_%D8%B1%D8%AF\" >4. \u0641\u0631\u0627\u0645\u0648\u0634 \u06a9\u0631\u062f\u0646 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0631\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/#5_%D9%85%D8%AE%D9%84%D9%88%D8%B7_%DA%A9%D8%B1%D8%AF%D9%86_Promises_%D9%88_AsyncAwait\" >5. \u0645\u062e\u0644\u0648\u0637 \u06a9\u0631\u062f\u0646 Promises \u0648 Async\/Await<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/nabfollower.com\/blog\/understanding-javascript-promises-29j4\/#%D9%86%D8%AA%DB%8C%D8%AC%D9%87\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D9%88%D8%B9%D8%AF%D9%87_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\"><\/span>\n<p>  \u0648\u0639\u062f\u0647 \u0686\u06cc\u0633\u062a\u061f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u06cc\u06a9 \u0648\u0639\u062f\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u062a\u06a9\u0645\u06cc\u0644 (\u06cc\u0627 \u0634\u06a9\u0633\u062a) \u0646\u0647\u0627\u06cc\u06cc \u06cc\u06a9 \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0648 \u0645\u0642\u062f\u0627\u0631 \u062d\u0627\u0635\u0644 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a.  \u0627\u06cc\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u06cc\u06a9\u06cc \u0627\u0632 \u0633\u0647 \u062d\u0627\u0644\u062a \u0628\u0627\u0634\u062f:<\/p>\n<ul>\n<li>\u062f\u0631 \u0627\u0646\u062a\u0638\u0627\u0631: \u062d\u0627\u0644\u062a \u0627\u0648\u0644\u06cc\u0647\u060c \u0646\u0647 \u0627\u0646\u062c\u0627\u0645 \u0634\u062f\u0647 \u0648 \u0646\u0647 \u0631\u062f \u0634\u062f\u0647 \u0627\u0633\u062a.<\/li>\n<li>\u0627\u0646\u062c\u0627\u0645 \u0634\u062f: \u0639\u0645\u0644\u06cc\u0627\u062a \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u0627\u0646\u062c\u0627\u0645 \u0634\u062f.<\/li>\n<li>\u0631\u062f \u0634\u062f: \u0639\u0645\u0644\u06cc\u0627\u062a \u0634\u06a9\u0633\u062a \u062e\u0648\u0631\u062f.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF_%DB%8C%DA%A9_%D9%88%D8%B9%D8%AF%D9%87\"><\/span>\n<p>  \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0648\u0639\u062f\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0648\u0639\u062f\u0647\u060c \u0627\u0632 \u0633\u0627\u0632\u0646\u062f\u0647 Promise \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062a\u0627\u0628\u0639\u06cc \u0631\u0627 \u0628\u0627 \u062f\u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0645\u06cc \u06af\u06cc\u0631\u062f: Resol \u0648 Reject.  \u0627\u06cc\u0646 \u062a\u0648\u0627\u0628\u0639 \u0648\u0636\u0639\u06cc\u062a \u0648\u0639\u062f\u0647 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const myPromise = new Promise((resolve, reject) =&gt; {\n  let success = true; \/\/ Simulate an operation\n  if (success) {\n    resolve(\"Operation successful!\");\n  } else {\n    reject(\"Operation failed.\");\n  }\n});\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<h2><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%D9%88%D8%B9%D8%AF%D9%87_%D9%87%D8%A7\"><\/span>\n<p>  \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0648\u0639\u062f\u0647 \u0647\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0648\u0639\u062f\u0647\u200c\u0647\u0627 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0627\u0631\u0646\u062f.<\/p>\n<ul>\n<li>\u0633\u067e\u0633: \u0647\u0646\u06af\u0627\u0645 \u0648\u0641\u0627\u06cc \u0628\u0647 \u0648\u0639\u062f\u0647 \u062e\u0648\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<li>\u06af\u0631\u0641\u062a\u0646: \u0628\u0647 \u0647\u0646\u06af\u0627\u0645 \u0631\u062f\u0651 \u0642\u0648\u0644 \u062e\u0648\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<li>\u062f\u0631 \u0646\u0647\u0627\u06cc\u062a: \u0628\u062f\u0648\u0646 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0646\u062a\u06cc\u062c\u0647 \u0642\u0648\u0644 \u062a\u0645\u0627\u0633 \u06af\u0631\u0641\u062a.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>myPromise\n  .then((message) =&gt; {\n    console.log(message); \/\/ \"Operation successful!\"\n  })\n  .catch((error) =&gt; {\n    console.error(error); \/\/ \"Operation failed.\"\n  })\n  .finally(() =&gt; {\n    console.log(\"Operation completed.\");\n  });\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<h2><span class=\"ez-toc-section\" id=\"%D9%88%D8%B9%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%D8%B2%D9%86%D8%AC%DB%8C%D8%B1%D9%87_%D8%A7%DB%8C\"><\/span>\n<p>  \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0632\u06cc\u062a \u0647\u0627\u06cc \u0627\u0635\u0644\u06cc \u0648\u0639\u062f\u0647 \u0647\u0627 \u0632\u0646\u062c\u06cc\u0631 \u0632\u0646\u06cc \u0627\u0633\u062a.  \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0686\u0646\u062f\u06cc\u0646 \u0648 \u0633\u067e\u0633 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0631\u0627 \u0632\u0646\u062c\u06cc\u0631\u0647\u200c\u0627\u06cc \u06a9\u0646\u06cc\u062f \u062a\u0627 \u062f\u0646\u0628\u0627\u0644\u0647\u200c\u0627\u06cc \u0627\u0632 \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const firstPromise = new Promise((resolve) =&gt; {\n  setTimeout(() =&gt; resolve(\"First promise resolved\"), 1000);\n});\n\nfirstPromise\n  .then((result) =&gt; {\n    console.log(result); \/\/ \"First promise resolved\"\n    return new Promise((resolve) =&gt; {\n      setTimeout(() =&gt; resolve(\"Second promise resolved\"), 1000);\n    });\n  })\n  .then((result) =&gt; {\n    console.log(result); \/\/ \"Second promise resolved\"\n  })\n  .catch((error) =&gt; {\n    console.error(error);\n  });\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<h2><span class=\"ez-toc-section\" id=\"%D8%B1%D8%B3%DB%8C%D8%AF%DA%AF%DB%8C_%D8%A8%D9%87_%D9%88%D8%B9%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%D9%85%D8%AA%D8%B9%D8%AF%D8%AF\"><\/span>\n<p>  \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u0645\u062a\u0639\u062f\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u062a\u062f\u0647\u0627\u06cc \u0627\u0628\u0632\u0627\u0631\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0686\u0646\u062f\u06cc\u0646 \u0648\u0639\u062f\u0647 \u0628\u0647 \u0635\u0648\u0631\u062a \u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f: Promise.all\u060c Promise.race\u060c Promise.allSettled\u060c \u0648 Promise.any.<\/p>\n<ul>\n<li>Promise.all: \u0645\u0646\u062a\u0638\u0631 \u0645\u06cc \u0645\u0627\u0646\u062f \u062a\u0627 \u0647\u0645\u0647 \u0642\u0648\u0644 \u0647\u0627 \u062d\u0644 \u0634\u0648\u0646\u062f \u06cc\u0627 \u0647\u0631 \u06cc\u06a9 \u0631\u062f \u0634\u0648\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const promise1 = Promise.resolve(3);\nconst promise2 = 42;\nconst promise3 = new Promise((resolve) =&gt; setTimeout(resolve, 100, 'foo'));\n\nPromise.all([promise1, promise2, promise3]).then((values) =&gt; {\n  console.log(values); \/\/ [3, 42, 'foo']\n});\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<ul>\n<li>Promise.race: \u0628\u0647 \u0645\u062d\u0636 \u0631\u0641\u0639 \u06cc\u0627 \u0631\u062f \u06cc\u06a9\u06cc \u0627\u0632 \u0648\u0639\u062f\u0647 \u0647\u0627\u060c \u0631\u0641\u0639 \u06cc\u0627 \u0631\u062f \u0645\u06cc \u0634\u0648\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const promise1 = new Promise((resolve) =&gt; setTimeout(resolve, 500, 'one'));\nconst promise2 = new Promise((resolve) =&gt; setTimeout(resolve, 100, 'two'));\n\nPromise.race([promise1, promise2]).then((value) =&gt; {\n  console.log(value); \/\/ \"two\"\n});\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<ul>\n<li>Promise.allSettled: \u0645\u0646\u062a\u0638\u0631 \u0645\u06cc \u0645\u0627\u0646\u062f \u062a\u0627 \u0647\u0645\u0647 \u0648\u0639\u062f\u0647 \u0647\u0627 \u062d\u0644 \u0648 \u0641\u0635\u0644 \u0634\u0648\u0646\u062f (\u06cc\u0627 \u062d\u0644 \u0648 \u0641\u0635\u0644 \u0634\u0648\u0646\u062f \u06cc\u0627 \u0631\u062f \u0634\u0648\u0646\u062f).\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const promise1 = Promise.resolve(42);\nconst promise2 = Promise.reject('error');\nconst promise3 = new Promise((resolve) =&gt; setTimeout(resolve, 100, 'foo'));\n\nPromise.allSettled([promise1, promise2, promise3]).then((results) =&gt; {\n  results.forEach((result) =&gt; console.log(result.status));\n  \/\/ \"fulfilled\"\n  \/\/ \"rejected\"\n  \/\/ \"fulfilled\"\n});\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<ul>\n<li>Promise.any: \u0645\u0646\u062a\u0638\u0631 \u062d\u0644 \u0634\u062f\u0646 \u0647\u0631 \u0642\u0648\u0644\u06cc \u0627\u0633\u062a.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const promise1 = Promise.reject('error1');\nconst promise2 = new Promise((resolve) =&gt; setTimeout(resolve, 100, 'foo'));\n\nPromise.any([promise1, promise2]).then((value) =&gt; {\n  console.log(value); \/\/ \"foo\"\n}).catch((error) =&gt; {\n  console.error(error); \/\/ AggregateError: All promises were rejected\n});\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<h2><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B4%D8%AA%D8%A8%D8%A7%D9%87%D8%A7%D8%AA_%D8%B1%D8%A7%DB%8C%D8%AC_%D8%A8%D8%A7_%D9%88%D8%B9%D8%AF%D9%87_%D9%87%D8%A7\"><\/span>\n<p>  \u0627\u0634\u062a\u0628\u0627\u0647\u0627\u062a \u0631\u0627\u06cc\u062c \u0628\u0627 \u0648\u0639\u062f\u0647 \u0647\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0648\u0639\u062f\u0647 \u0647\u0627 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0647\u0633\u062a\u0646\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0645\u0646\u0628\u0639 \u0633\u0631\u062f\u0631\u06af\u0645\u06cc \u0648 \u062e\u0637\u0627 \u0646\u06cc\u0632 \u0628\u0627\u0634\u0646\u062f.  \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0627\u0634\u062a\u0628\u0627\u0647\u0627\u062a \u0631\u0627\u06cc\u062c \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0647\u0646\u06af\u0627\u0645 \u06a9\u0627\u0631 \u0628\u0627 \u0648\u0639\u062f\u0647 \u0647\u0627 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_%D8%B9%D8%AF%D9%85_%D8%A8%D8%A7%D8%B2%DA%AF%D8%B4%D8%AA_%DB%8C%DA%A9_%D9%88%D8%B9%D8%AF%D9%87_%D8%AF%D8%B1_%DB%8C%DA%A9_Handler\"><\/span>\n<p>  1. \u0639\u062f\u0645 \u0628\u0627\u0632\u06af\u0634\u062a \u06cc\u06a9 \u0648\u0639\u062f\u0647 \u062f\u0631 \u06cc\u06a9 Handler<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0632\u062f\u0646 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u06a9\u0627\u0631 \u06a9\u0646\u062f\u060c \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0648\u0639\u062f\u0647 \u0631\u0627 \u062f\u0631 \u062f\u0627\u062e\u0644 \u06cc\u06a9 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u067e\u0633 \u0627\u0632 \u0622\u0646 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u06cc\u062f.  \u0639\u062f\u0645 \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0631\u0627 \u0645\u06cc \u0634\u06a9\u0646\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>firstPromise\n  .then((result) =&gt; {\n    console.log(result);\n    new Promise((resolve) =&gt; setTimeout(resolve, 1000, 'Second promise resolved')); \/\/ Missing return\n  })\n  .then((result) =&gt; {\n    console.log(result); \/\/ This will log undefined\n  });\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<h3><span class=\"ez-toc-section\" id=\"2_%DA%AF%D8%B1%D9%81%D8%AA%D9%86_%D8%AE%D8%B7%D8%A7%D9%87%D8%A7_%D8%AE%DB%8C%D9%84%DB%8C_%D8%B2%D9%88%D8%AF\"><\/span>\n<p>  2. \u06af\u0631\u0641\u062a\u0646 \u062e\u0637\u0627\u0647\u0627 \u062e\u06cc\u0644\u06cc \u0632\u0648\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062a\u0634\u062e\u06cc\u0635 \u062e\u0637\u0627 \u062f\u0631 \u0627\u0648\u0627\u06cc\u0644 \u06cc\u06a9 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u0622\u06af\u0627\u0647\u06cc \u067e\u0627\u06cc\u06cc\u0646 \u062f\u0633\u062a \u0648 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627 \u0627\u0632 \u062e\u0637\u0627 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>firstPromise\n  .then((result) =&gt; {\n    throw new Error('Something went wrong');\n  })\n  .catch((error) =&gt; {\n    console.error(error); \/\/ Caught too early\n  })\n  .then(() =&gt; {\n    console.log('This will still run');\n  });\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0645\u0631\u060c \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627 \u0631\u0627 \u062f\u0631 \u0627\u0646\u062a\u0647\u0627\u06cc \u0632\u0646\u062c\u06cc\u0631\u0647 \u06cc\u0627 \u062a\u0627 \u062d\u062f \u0627\u0645\u06a9\u0627\u0646 \u0646\u0632\u062f\u06cc\u06a9 \u0628\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a \u062e\u0627\u0635 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF_%D9%88%D8%B9%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%D8%BA%DB%8C%D8%B1_%D8%B6%D8%B1%D9%88%D8%B1%DB%8C\"><\/span>\n<p>  3. \u0627\u06cc\u062c\u0627\u062f \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0645\u0639\u0645\u0648\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0645\u0632\u0645\u0627\u0646 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062f\u0631 \u0648\u0639\u062f\u0647 \u0647\u0627 \u0628\u067e\u06cc\u0686\u06cc\u062f\u060c \u06a9\u0647 \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0628\u0647 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0645\u06cc \u0627\u0641\u0632\u0627\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const promise = new Promise((resolve) =&gt; {\n  resolve('Hello, World!');\n});\npromise.then((message) =&gt; console.log(message));\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>\u062f\u0631 \u0639\u0648\u0636\u060c \u0641\u0642\u0637 \u0627\u0632 \u0645\u0642\u062f\u0627\u0631 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>Promise.resolve('Hello, World!').then((message) =&gt; console.log(message));\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<h3><span class=\"ez-toc-section\" id=\"4_%D9%81%D8%B1%D8%A7%D9%85%D9%88%D8%B4_%DA%A9%D8%B1%D8%AF%D9%86_%D8%B1%D8%B3%DB%8C%D8%AF%DA%AF%DB%8C_%D8%A8%D9%87_%D8%B1%D8%AF\"><\/span>\n<p>  4. \u0641\u0631\u0627\u0645\u0648\u0634 \u06a9\u0631\u062f\u0646 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0631\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0647\u0645\u06cc\u0634\u0647 \u0631\u062f\u0647\u0627 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0627\u0632 \u0631\u062f \u0648\u0639\u062f\u0647\u200c\u0647\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0646\u0634\u062f\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f\u060c \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0639\u062b \u0627\u06cc\u062c\u0627\u062f \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u062f\u0631 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0634\u0645\u0627 \u0634\u0648\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const promise = new Promise((_, reject) =&gt; {\n  reject('Error occurred');\n});\npromise.then((message) =&gt; console.log(message)); \/\/ No catch handler\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0647\u0645\u06cc\u0634\u0647 \u06cc\u06a9 \u0628\u0644\u0648\u06a9 catch \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>promise\n  .then((message) =&gt; console.log(message))\n  .catch((error) =&gt; console.error(error));\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<h3><span class=\"ez-toc-section\" id=\"5_%D9%85%D8%AE%D9%84%D9%88%D8%B7_%DA%A9%D8%B1%D8%AF%D9%86_Promises_%D9%88_AsyncAwait\"><\/span>\n<p>  5. \u0645\u062e\u0644\u0648\u0637 \u06a9\u0631\u062f\u0646 Promises \u0648 Async\/Await<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0648\u0639\u062f\u0647\u200c\u0647\u0627 \u0648 \u0647\u0645\u06af\u0627\u0645\u200c\u0633\u0627\u0632\u06cc\/\u0627\u0646\u062a\u0638\u0627\u0631 \u0647\u0631 \u062f\u0648 \u0631\u0648\u0634\u06cc \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u062f\u0647\u0627\u06cc \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0647\u0633\u062a\u0646\u062f\u060c \u0645\u062e\u0644\u0648\u0637 \u06a9\u0631\u062f\u0646 \u0622\u0646\u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0633\u0631\u062f\u0631\u06af\u0645\u06cc \u0634\u0648\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>async function fetchData() {\n  const data = await fetch('https:\/\/api.example.com\/data');\n  data.then((result) =&gt; console.log(result)); \/\/ Unnecessary promise\n}\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0647 \u06cc\u06a9 \u0631\u0648\u06cc\u06a9\u0631\u062f \u067e\u0627\u06cc\u0628\u0646\u062f \u0628\u0627\u0634\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>async function fetchData() {\n  const data = await fetch('https:\/\/api.example.com\/data');\n  console.log(await data.json());\n}\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<h2><span class=\"ez-toc-section\" id=\"%D9%86%D8%AA%DB%8C%D8%AC%D9%87\"><\/span>\n<p>  \u0646\u062a\u06cc\u062c\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Promises \u0628\u062e\u0634 \u0627\u0633\u0627\u0633\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u062f\u0631\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0631\u0627\u0647\u06cc \u0642\u0648\u06cc \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.  \u0628\u0627 \u062f\u0631\u06a9 \u0646\u062d\u0648\u0647 \u0627\u06cc\u062c\u0627\u062f\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648\u0639\u062f\u0647\u200c\u0647\u0627\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u06a9\u062f \u062a\u0645\u06cc\u0632\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc\u200c\u062a\u0631\u06cc \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f.  \u0627\u062c\u062a\u0646\u0627\u0628 \u0627\u0632 \u0627\u0634\u062a\u0628\u0627\u0647\u0627\u062a \u0631\u0627\u06cc\u062c \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u062b\u0631 \u0627\u0632 \u0642\u0648\u0644 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u0648 \u0627\u0632 \u062f\u0627\u0645 \u0647\u0627\u06cc \u0627\u062d\u062a\u0645\u0627\u0644\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f.  \u0686\u0647 \u062f\u0631 \u062d\u0627\u0644 \u0627\u0646\u062c\u0627\u0645 \u06cc\u06a9 \u06a9\u0627\u0631 \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u06cc\u0627 \u0647\u0645\u0627\u0647\u0646\u06af \u06a9\u0631\u062f\u0646 \u0686\u0646\u062f\u06cc\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0627\u0634\u06cc\u062f\u060c \u0648\u0639\u062f\u0647 \u0647\u0627 \u0627\u0628\u0632\u0627\u0631 \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u06cc \u062f\u0631 \u062c\u0639\u0628\u0647 \u0627\u0628\u0632\u0627\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0634\u0645\u0627 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u067e\u0633\u062a \u062f\u0631 \u0627\u0628\u062a\u062f\u0627 \u062f\u0631 \u0648\u0628\u0644\u0627\u06af \u0645\u0646 \u0645\u0646\u062a\u0634\u0631 \u0634\u062f.  \u0645\u0646\u0628\u0639 \u0627\u0635\u0644\u06cc \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0644\u06cc\u0646\u06a9 \u0632\u06cc\u0631 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"crayons-card c-embed text-styles text-styles--secondary\">\n<div class=\"c-embed__cover\">\n<p>          <\/p><\/div>\n<div class=\"c-embed__body\">\n<p class=\"truncate-at-3\">\n<p>          \u0646\u06a9\u0627\u062a \u0636\u0631\u0648\u0631\u06cc \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0627\u06cc\u062c\u0627\u062f\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0648 \u0645\u0634\u06a9\u0644\u0627\u062a \u0631\u0627\u06cc\u062c \u0631\u0627 \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f.  \u0646\u062d\u0648\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0631\u0627 \u0628\u062f\u0627\u0646\u06cc\u062f.\n        <\/p>\n<div class=\"color-secondary fs-s flex items-center\">\n          <img decoding=\"async\" alt=\"\u0641\u0627\u0648\u06cc\u06a9\u0648\u0646\" class=\"c-embed__favicon m-0 mr-2 radius-0\" src=\"https:\/\/res.cloudinary.com\/practicaldev\/image\/fetch\/s--eOZpeFpx--\/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_800\/https:\/\/cdn.hashnode.com\/res\/hashnode\/image\/upload\/v1611242173172\/AOX1gE2jc.png\" loading=\"lazy\" width=\"32\" height=\"32\" title=\"\"><br \/>\n        rahulvijayvergiya.hashnode.dev\n      <\/div>\n<\/p><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u0631\u0627\u0647 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0633\u062a. \u0642\u0628\u0644 \u0627\u0632 \u0645\u0639\u0631\u0641\u06cc \u0648\u0639\u062f\u0647 \u0647\u0627\u060c \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0631\u0648\u0634 \u0627\u0635\u0644\u06cc \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0648\u0638\u0627\u06cc\u0641 \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0648\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u062a\u0645\u0627\u0633\u200c\u0647\u0627\u06cc \u0628\u0631\u06af\u0634\u062a\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0647 \u00ab\u062c\u0647\u0646\u0645 \u067e\u0627\u0633\u062e \u0628\u0647 \u062a\u0645\u0627\u0633\u00bb \u0645\u0646\u062c\u0631 \u0634\u0648\u0646\u062f\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648 \u062e\u0648\u0627\u0646\u062f\u0646 \u062a\u0645\u0627\u0633\u200c\u0647\u0627\u06cc \u062a\u0648\u062f\u0631\u062a\u0648 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":71272,"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-71271","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\/71271","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=71271"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/71271\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/71272"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=71271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=71271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=71271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}