{"id":16407,"date":"2024-01-24T17:03:11","date_gmt":"2024-01-24T13:33:11","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/promises-%d8%af%d8%b1-node-jsjavascript-%d8%aa%da%a9-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a7%db%8c-%d8%a7%d8%b3%d8%aa%d8%8c-%d8%a8%d9%87-%d8%a7%db%8c%d9%86-%d9%85%d8%b9%d9%86%db%8c-%da%a9%d9%87-%d9%87%d9%85\/"},"modified":"2024-01-24T17:03:11","modified_gmt":"2024-01-24T13:33:11","slug":"promises-%d8%af%d8%b1-node-jsjavascript-%d8%aa%da%a9-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a7%db%8c-%d8%a7%d8%b3%d8%aa%d8%8c-%d8%a8%d9%87-%d8%a7%db%8c%d9%86-%d9%85%d8%b9%d9%86%db%8c-%da%a9%d9%87-%d9%87%d9%85","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/promises-%d8%af%d8%b1-node-jsjavascript-%d8%aa%da%a9-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a7%db%8c-%d8%a7%d8%b3%d8%aa%d8%8c-%d8%a8%d9%87-%d8%a7%db%8c%d9%86-%d9%85%d8%b9%d9%86%db%8c-%da%a9%d9%87-%d9%87%d9%85\/","title":{"rendered":"Promises \u062f\u0631 Node.jsJavaScript \u062a\u06a9 \u0631\u0634\u062a\u0647 \u0627\u06cc \u0627\u0633\u062a\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0647\u0645\u0647 \u0686\u06cc\u0632\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627\u060c \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f. \u0631\u0648\u06cc \u0647\u0645\u0627\u0646 \u0631\u0634\u062a\u0647  \u0627\u06af\u0631 \u0631\u0634\u062a\u0647 \u0622\u0632\u0627\u062f \u0646\u0628\u0627\u0634\u062f\u060c \u0627\u062c\u0631\u0627\u06cc \u06a9\u062f \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0622\u0632\u0627\u062f \u0634\u0648\u062f \u0628\u0647 \u062a\u0623\u062e\u06cc\u0631 \u0645\u06cc \u0627\u0641\u062a\u062f.  \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u06af\u0644\u0648\u06af\u0627\u0647 \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u0627 \u0628\u0627\u0634\u062f \u0632\u06cc\u0631\u0627 \u0648\u0627\u0642\u0639\u0627\u064b \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0639\u062b \u0645\u0634\u06a9\u0644\u0627\u062a \u062c\u062f\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0634\u0648\u062f.  \u0631\u0627\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0622\u0646\u0647\u0627 &#8230;"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0633\u0631\u0641\u0635\u0644\u0647\u0627\u06cc \u0645\u0637\u0644\u0628<\/p>\n<\/div><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:\/\/rasanegaar.com\/blog\/promises-%d8%af%d8%b1-node-jsjavascript-%d8%aa%da%a9-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a7%db%8c-%d8%a7%d8%b3%d8%aa%d8%8c-%d8%a8%d9%87-%d8%a7%db%8c%d9%86-%d9%85%d8%b9%d9%86%db%8c-%da%a9%d9%87-%d9%87%d9%85\/#%d9%85%d8%b9%d8%b1%d9%81%db%8c\" >\u0645\u0639\u0631\u0641\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/promises-%d8%af%d8%b1-node-jsjavascript-%d8%aa%da%a9-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a7%db%8c-%d8%a7%d8%b3%d8%aa%d8%8c-%d8%a8%d9%87-%d8%a7%db%8c%d9%86-%d9%85%d8%b9%d9%86%db%8c-%da%a9%d9%87-%d9%87%d9%85\/#callbacks_%d9%88_callback_hell\" >Callbacks \u0648 Callback Hell<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/promises-%d8%af%d8%b1-node-jsjavascript-%d8%aa%da%a9-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a7%db%8c-%d8%a7%d8%b3%d8%aa%d8%8c-%d8%a8%d9%87-%d8%a7%db%8c%d9%86-%d9%85%d8%b9%d9%86%db%8c-%da%a9%d9%87-%d9%87%d9%85\/#%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-4\" href=\"https:\/\/rasanegaar.com\/blog\/promises-%d8%af%d8%b1-node-jsjavascript-%d8%aa%da%a9-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a7%db%8c-%d8%a7%d8%b3%d8%aa%d8%8c-%d8%a8%d9%87-%d8%a7%db%8c%d9%86-%d9%85%d8%b9%d9%86%db%8c-%da%a9%d9%87-%d9%87%d9%85\/#%d9%85%d8%b5%d8%b1%d9%81_%db%8c%da%a9_%d9%88%d8%b9%d8%af%d9%87\" >\u0645\u0635\u0631\u0641 \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-5\" href=\"https:\/\/rasanegaar.com\/blog\/promises-%d8%af%d8%b1-node-jsjavascript-%d8%aa%da%a9-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a7%db%8c-%d8%a7%d8%b3%d8%aa%d8%8c-%d8%a8%d9%87-%d8%a7%db%8c%d9%86-%d9%85%d8%b9%d9%86%db%8c-%da%a9%d9%87-%d9%87%d9%85\/#%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-6\" href=\"https:\/\/rasanegaar.com\/blog\/promises-%d8%af%d8%b1-node-jsjavascript-%d8%aa%da%a9-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a7%db%8c-%d8%a7%d8%b3%d8%aa%d8%8c-%d8%a8%d9%87-%d8%a7%db%8c%d9%86-%d9%85%d8%b9%d9%86%db%8c-%da%a9%d9%87-%d9%87%d9%85\/#%d9%86%d8%aa%db%8c%d8%ac%d9%87\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span><p> <br \/>\n<\/p>\n<div class=\"content\"><noscript><\/p>\n<style>.lazyload-placeholder { display: none;  }<\/style>\n<p><\/noscript><\/p>\n<h2 id=\"introduction\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%b9%d8%b1%d9%81%db%8c\"><\/span>\u0645\u0639\u0631\u0641\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a <em>\u062a\u06a9 \u0631\u0634\u062a\u0647 \u0627\u06cc<\/em>\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0647\u0645\u0647 \u0686\u06cc\u0632\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627\u060c \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f \u0631\u0648\u06cc \u0647\u0645\u0627\u0646 \u0631\u0634\u062a\u0647  \u0627\u06af\u0631 \u0631\u0634\u062a\u0647 \u0622\u0632\u0627\u062f \u0646\u0628\u0627\u0634\u062f\u060c \u0627\u062c\u0631\u0627\u06cc \u06a9\u062f \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0622\u0632\u0627\u062f \u0634\u0648\u062f \u0628\u0647 \u062a\u0623\u062e\u06cc\u0631 \u0645\u06cc \u0627\u0641\u062a\u062f.  \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u06af\u0644\u0648\u06af\u0627\u0647 \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u0627 \u0628\u0627\u0634\u062f \u0632\u06cc\u0631\u0627 \u0648\u0627\u0642\u0639\u0627\u064b \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0639\u062b \u0645\u0634\u06a9\u0644\u0627\u062a \u062c\u062f\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0634\u0648\u062f.<\/p>\n<p>\u0631\u0627\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0631 \u0627\u06cc\u0646 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u063a\u0644\u0628\u0647 \u06a9\u0646\u06cc\u0645.  \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0631\u0648\u0634 \u0645\u062f\u0631\u0646 \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 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f &#8211; <code>Promise<\/code>\u0633<\/p>\n<h2 id=\"callbacksandcallbackhell\"><span class=\"ez-toc-section\" id=\"callbacks_%d9%88_callback_hell\"><\/span>Callbacks \u0648 Callback Hell<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06af\u0631 \u0634\u0645\u0627 \u06cc\u06a9 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0633\u062a\u06cc\u062f\u060c \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b \u0634\u0646\u06cc\u062f\u0647 \u0627\u06cc\u062f\u060c \u0627\u06af\u0631 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u06a9\u0646\u06cc\u062f\u060c <em>\u067e\u0627\u0633\u062e \u0628\u0647 \u062a\u0645\u0627\u0633 \u0647\u0627<\/em>:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">hello<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'Hello World!'<\/span>);\n}\n\n<span class=\"hljs-built_in\">setTimeout<\/span>(hello, <span class=\"hljs-number\">5000<\/span>);\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u06a9\u062f \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0631\u0627 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u062f\u060c <code>setTimeout()<\/code>\u060c \u06a9\u0647 \u0645\u0646\u062a\u0638\u0631 \u0632\u0645\u0627\u0646 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 (\u0628\u0631 \u062d\u0633\u0628 \u0645\u06cc\u0644\u06cc \u062b\u0627\u0646\u06cc\u0647)\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062f\u0648\u0645 \u0627\u0633\u062a\u060c <code>5000<\/code>.  \u067e\u0633 \u0627\u0632 \u06af\u0630\u0634\u062a \u0632\u0645\u0627\u0646\u060c \u062a\u0646\u0647\u0627 \u067e\u0633 \u0627\u0632 \u0622\u0646 \u062a\u0627\u0628\u0639 \u0631\u0627 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u062f <code>hello<\/code>\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0627\u0648\u0644\u06cc\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0628\u0647 \u0622\u0646 \u0645\u0646\u062a\u0642\u0644 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u062a\u0627\u0628\u0639 \u0645\u062b\u0627\u0644\u06cc \u0627\u0632 a \u0627\u0633\u062a <em>\u062a\u0627\u0628\u0639 \u0645\u0631\u062a\u0628\u0647 \u0628\u0627\u0644\u0627\u062a\u0631<\/em> \u0648 \u062a\u0627\u0628\u0639 \u0627\u0631\u0633\u0627\u0644 \u0634\u062f\u0647 \u0628\u0647 \u0622\u0646 a \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <em>\u067e\u0627\u0633\u062e \u0628\u0647 \u062a\u0645\u0627\u0633<\/em> &#8211; \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0642\u0631\u0627\u0631 \u0627\u0633\u062a \u067e\u0633 \u0627\u0632 \u0627\u062a\u0645\u0627\u0645 \u0627\u062c\u0631\u0627\u06cc \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u062f\u06cc\u06af\u0631 \u0627\u062c\u0631\u0627 \u0634\u0648\u062f.<\/p>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0645\u0627 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u06cc \u0631\u0627 \u0628\u0647 \u06cc\u06a9 API \u0627\u0631\u0633\u0627\u0644 \u06a9\u0631\u062f\u06cc\u0645 \u062a\u0627 \u0639\u06a9\u0633\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0644\u0627\u06cc\u06a9 \u0631\u0627 \u0627\u0632 \u062d\u0633\u0627\u0628 \u062e\u0648\u062f \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0631\u062f\u0647\u200c\u0627\u0646\u062f \u0631\u0627 \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u062f.  \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b \u0628\u0627\u06cc\u062f \u0645\u0646\u062a\u0638\u0631 \u067e\u0627\u0633\u062e \u0628\u0627\u0634\u06cc\u0645 \u0632\u06cc\u0631\u0627 API\/\u0633\u0631\u0648\u06cc\u0633 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0642\u0628\u0644 \u0627\u0632 \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u067e\u0627\u0633\u062e \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0628\u0647 \u0637\u0648\u0631 \u0628\u0627\u0644\u0642\u0648\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0632\u0645\u0627\u0646 \u0632\u06cc\u0627\u062f\u06cc \u0637\u0648\u0644 \u0628\u06a9\u0634\u062f\u060c \u0648 \u0645\u0627 \u0646\u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u0646\u062a\u0638\u0631 \u067e\u0627\u0633\u062e \u0647\u0633\u062a\u06cc\u0645\u060c \u0645\u0648\u0636\u0648\u0639 \u0631\u0627 \u0645\u0633\u062f\u0648\u062f \u06a9\u0646\u06cc\u0645.  \u062f\u0631\u0639\u0648\u0636\u060c \u0645\u0627 \u06cc\u06a9 \u062a\u0645\u0627\u0633 \u0628\u0631\u06af\u0634\u062a\u06cc \u0627\u06cc\u062c\u0627\u062f \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f \u06a9\u0647 \u067e\u0633 \u0627\u0632 \u062f\u0631\u06cc\u0627\u0641\u062a \u067e\u0627\u0633\u062e \u0628\u0647 \u0622\u0646 \u0627\u0637\u0644\u0627\u0639 \u062f\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u062a\u0627 \u0622\u0646 \u0632\u0645\u0627\u0646\u060c \u0628\u0642\u06cc\u0647 \u06a9\u062f\u0647\u0627 \u0645\u0627\u0646\u0646\u062f \u0627\u0631\u0627\u0626\u0647 \u067e\u0633\u062a \u0647\u0627 \u0648 \u0627\u0639\u0644\u0627\u0646 \u0647\u0627 \u062f\u0631 \u062d\u0627\u0644 \u0627\u062c\u0631\u0627 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u0628\u0627 \u062a\u0645\u0627\u0633 \u0647\u0627\u06cc \u0628\u0631\u06af\u0634\u062a\u06cc \u06a9\u0627\u0631 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f\u060c \u0627\u06cc\u0646 \u0627\u062d\u062a\u0645\u0627\u0644 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u062c\u0647\u0646\u0645 \u067e\u0627\u0633\u062e \u0628\u0647 \u062a\u0645\u0627\u0633 \u0631\u0627 \u062a\u062c\u0631\u0628\u0647 \u06a9\u0631\u062f\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">doSomething(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">x<\/span>) <\/span>{\n    <span class=\"hljs-built_in\">console<\/span>.log(x);\n    doSomethingMore(x, <span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">y<\/span>) <\/span>{\n        <span class=\"hljs-built_in\">console<\/span>.log(y);\n        doRestOfTheThings(y, <span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">z<\/span>) <\/span>{\n            <span class=\"hljs-built_in\">console<\/span>.log(z);\n        });\n    });\n});\n<\/code><\/pre>\n<p>\u062d\u0627\u0644\u062a\u06cc \u0631\u0627 \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0627\u0632 \u0633\u0631\u0648\u0631 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u0645\u0646\u0627\u0628\u0639 \u0645\u062a\u0639\u062f\u062f\u06cc \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u062f &#8211; \u06cc\u06a9 \u0634\u062e\u0635\u060c \u062f\u0648\u0633\u062a\u0627\u0646\u0634 \u0648 \u067e\u0633\u062a \u0647\u0627\u06cc \u062f\u0648\u0633\u062a\u0634\u060c \u0646\u0638\u0631\u0627\u062a \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u067e\u0633\u062a \u0647\u0627\u06cc \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u062f\u0648\u0633\u062a\u0627\u0646\u060c \u067e\u0627\u0633\u062e \u0647\u0627 \u0648 \u063a\u06cc\u0631\u0647.<\/p>\n<p>\u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u06cc\u0646 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u062a\u0648\u062f\u0631\u062a\u0648 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0633\u0631\u0639\u062a \u0627\u0632 \u06a9\u0646\u062a\u0631\u0644 \u062e\u0627\u0631\u062c \u0634\u0648\u062f.<\/p>\n<p>\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u062c\u0647\u0646\u0645\u200c\u0647\u0627\u06cc \u0628\u0631\u06af\u0634\u062a \u0628\u0647 \u062a\u0645\u0627\u0633 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u0645 \u0648 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062a\u0645\u0627\u0633\u200c\u0647\u0627\u06cc \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0631\u0633\u06cc\u062f\u06af\u06cc \u06a9\u0646\u06cc\u0645 <code>Promise<\/code>\u0633<\/p>\n<h2 id=\"creatingapromise\"><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>\u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0648\u0639\u062f\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>Promise<\/code>s \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0632 \u0646\u0627\u0645 \u0622\u0646 \u067e\u06cc\u062f\u0627\u0633\u062a\u060c \u062a\u0627\u0628\u0639\u06cc \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0644\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f \u0648 \u0645\u0642\u062f\u0627\u0631\u06cc \u062f\u0631 \u0632\u0645\u0627\u0646 \u0628\u0639\u062f\u06cc \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u0627\u06cc\u0646 \u06cc\u06a9 \u067e\u0631\u0648\u06a9\u0633\u06cc \u0628\u0631\u0627\u06cc \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0646\u0634\u0648\u062f\u060c \u0627\u06af\u0631 \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0627\u0646\u062a\u0638\u0627\u0631 \u062f\u0627\u0631\u06cc\u0645 \u067e\u0627\u0633\u062e\u06cc \u0627\u0632 \u0622\u0646 \u0627\u0631\u0627\u0626\u0647 \u0646\u0634\u0648\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u062a\u0648\u0627\u0628\u0639 \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0647 \u062c\u0627\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u0634\u062e\u0635\u060c a \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u0646\u062f <code>Promise<\/code> \u0645\u0648\u0636\u0648\u0639\u06cc \u06a9\u0647 \u062f\u0631 \u0645\u0642\u0637\u0639\u06cc \u06cc\u0627 \u0645\u062d\u0642\u0642 \u0645\u06cc \u0634\u0648\u062f \u06cc\u0627 \u062e\u06cc\u0631.<\/p>\n<p>\u0627\u063a\u0644\u0628\u060c \u0647\u0646\u06af\u0627\u0645 \u06a9\u062f\u0646\u0648\u06cc\u0633\u06cc\u060c \u0645\u0635\u0631\u0641 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>Promise<\/code>\u0628\u0647 \u062c\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0622\u0646\u0647\u0627.  \u0627\u06cc\u0646 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\/\u0686\u0627\u0631\u0686\u0648\u0628 \u0647\u0627 \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u0646\u062f <code>Promise<\/code>\u0628\u0631\u0627\u06cc \u0645\u0635\u0631\u0641 \u06a9\u0646\u0646\u062f\u06af\u0627\u0646 \u0627\u0633\u062a.<\/p>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u062e\u0648\u0628 \u0627\u0633\u062a \u062f\u0631\u06a9 \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u067e\u0634\u062a \u0627\u06cc\u062c\u0627\u062f a \u0686\u06cc\u0633\u062a <code>Promise<\/code>:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> promise = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-built_in\">Promise<\/span>(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">resolve, reject<\/span>) <\/span>{\n    <span class=\"hljs-comment\">\/\/ Some imaginary 2000 ms timeout simulating a db call<\/span>\n    <span class=\"hljs-built_in\">setTimeout<\/span>(<span class=\"hljs-function\">()=&gt;<\/span> {\n        <span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-comment\">\/* if promise can be fulfilled *\/<\/span>) {\n            resolve({<span class=\"hljs-attr\">msg<\/span>: <span class=\"hljs-string\">'It works'<\/span>, <span class=\"hljs-attr\">data<\/span>: <span class=\"hljs-string\">'some data'<\/span>});\n        } <span class=\"hljs-keyword\">else<\/span> {\n            <span class=\"hljs-comment\">\/\/ If promise can not be fulfilled due to some errors like network failure<\/span>\n            reject(<span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-built_in\">Error<\/span>({<span class=\"hljs-attr\">msg<\/span>: <span class=\"hljs-string\">'It does not work'<\/span>}));\n        }\n    }, <span class=\"hljs-number\">2000<\/span>);\n});\n<\/code><\/pre>\n<p>\u0633\u0627\u0632\u0646\u062f\u0647 \u0648\u0639\u062f\u0647 \u06cc\u06a9 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u062f &#8211; \u06cc\u06a9 callback.  \u067e\u0627\u0633\u062e \u062a\u0645\u0627\u0633 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0645\u0639\u0645\u0648\u0644\u06cc \u06cc\u0627 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0641\u0644\u0634 \u0628\u0627\u0634\u062f.  \u067e\u0627\u0633\u062e \u0628\u0647 \u062a\u0645\u0627\u0633 \u062f\u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0645\u06cc \u06af\u06cc\u0631\u062f &#8211; <code>resolve<\/code> \u0648 <code>reject<\/code>.  \u0647\u0631 \u062f\u0648 \u0645\u0631\u062c\u0639 \u062a\u0627\u0628\u0639 \u0647\u0633\u062a\u0646\u062f.  \u0628\u0647 callback\u060c \u0645\u062c\u0631\u06cc \u0646\u06cc\u0632 \u06af\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u06cc\u06a9 \u0648\u0639\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u0634\u0648\u062f\u060c \u0645\u062c\u0631\u06cc \u0628\u0644\u0627\u0641\u0627\u0635\u0644\u0647 \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f.  \u0642\u0648\u0644 \u0628\u0627 \u062a\u0645\u0627\u0633 \u062d\u0644 \u0645\u06cc \u0634\u0648\u062f <code>resolve()<\/code> \u0627\u06af\u0631 \u0648\u0639\u062f\u0647 \u0648\u0641\u0627 \u0634\u0648\u062f\u060c \u0648 \u0628\u0627 \u062f\u0639\u0648\u062a \u0631\u062f \u0634\u0648\u062f <code>reject()<\/code> \u0627\u06af\u0631 \u0646\u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u06a9\u0631\u062f<\/p>\n<p>\u0647\u0631 \u062f\u0648 <code>resolve()<\/code> \u0648 <code>reject()<\/code> \u06cc\u06a9 \u0627\u0633\u062a\u062f\u0644\u0627\u0644 \u0628\u06af\u06cc\u0631 &#8211; <code>boolean<\/code>\u060c <code>string<\/code>\u060c <code>number<\/code>\u060c <code>array<\/code>\u060c \u06cc\u0627 \u06cc\u06a9 <code>object<\/code>.<\/p>\n<h2 id=\"consumingapromise\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%b5%d8%b1%d9%81_%db%8c%da%a9_%d9%88%d8%b9%d8%af%d9%87\"><\/span>\u0645\u0635\u0631\u0641 \u06cc\u06a9 \u0648\u0639\u062f\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 API\u060c \u0628\u06af\u0648\u06cc\u06cc\u062f \u06a9\u0647 \u0645\u0627 \u0645\u0642\u062f\u0627\u0631\u06cc \u062f\u0627\u062f\u0647 \u0627\u0632 \u0633\u0631\u0648\u0631 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u06a9\u0631\u062f\u0647\u200c\u0627\u06cc\u0645 \u0648 \u0645\u0634\u062e\u0635 \u0646\u06cc\u0633\u062a \u06a9\u0647 \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f &#8211; \u0622\u06cc\u0627 \u0627\u0635\u0644\u0627\u064b \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u06cc\u0627 \u062e\u06cc\u0631.  \u0627\u06cc\u0646 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u06a9\u0627\u0645\u0644 \u0627\u0632 \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 \u0627\u0632 a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>Promise<\/code> \u0628\u0631\u0627\u06cc \u06a9\u0645\u06a9 \u0628\u0647 \u0645\u0627<\/p>\n<p>\u0628\u0627 \u0641\u0631\u0636 \u0627\u06cc\u0646\u06a9\u0647 \u0645\u062a\u062f \u0633\u0631\u0648\u0631\u06cc \u06a9\u0647 \u062a\u0645\u0627\u0633 \u0645\u0627 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc \u06a9\u0646\u062f a \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>Promise<\/code>\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0622\u0646 \u0631\u0627 \u0645\u0635\u0631\u0641 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">promise.then(<span class=\"hljs-function\">(<span class=\"hljs-params\">result<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"Success\"<\/span>, result);\n}).catch(<span class=\"hljs-function\">(<span class=\"hljs-params\">error<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"Error\"<\/span>, error);\n})\n<\/code><\/pre>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0645\u06cc \u0628\u06cc\u0646\u06cc\u0645 \u0645\u0627 \u062f\u0648 \u0631\u0648\u0634 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc \u062f\u0627\u0631\u06cc\u0645 &#8211; <code>then()<\/code> \u0648 <code>catch()<\/code>.  \u0627\u06cc\u0646\u0647\u0627 \u062a\u0639\u062f\u0627\u062f\u06cc \u0627\u0632 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 <code>Promise<\/code> \u0647\u062f\u0641 &#8211; \u0634\u06cc.<\/p>\n<p><code>then()<\/code>  \u0632\u0645\u0627\u0646\u06cc \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0628\u0647 \u062e\u0648\u0628\u06cc \u067e\u06cc\u0634 \u0628\u0631\u0648\u062f\u060c \u06cc\u0639\u0646\u06cc \u0648\u0639\u062f\u0647 \u062a\u0648\u0633\u0637 \u0622\u0646 \u0645\u062d\u0642\u0642 \u0634\u0648\u062f <code>resolve()<\/code> \u0631\u0648\u0634.  \u0648 \u0627\u06af\u0631 \u0642\u0648\u0644 \u0631\u062f \u0634\u062f\u060c <code>catch()<\/code> \u0645\u062a\u062f \u0628\u0627 \u062e\u0637\u0627\u06cc \u0627\u0631\u0633\u0627\u0644 \u0634\u062f\u0647 \u0628\u0647 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f <code>reject<\/code>.<\/p>\n<h2 id=\"chainingpromises\"><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>\u0648\u0639\u062f\u0647 \u0647\u0627\u06cc \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06af\u0631 \u062f\u0646\u0628\u0627\u0644\u0647 \u0627\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0647\u0627\u06cc \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0631\u0627 \u06cc\u06a9\u06cc \u067e\u0633 \u0627\u0632 \u062f\u06cc\u06af\u0631\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u0646\u062f &#8211; \u0647\u0631 \u0686\u0647 \u062a\u0648\u062f\u0631\u062a\u0648 \u0628\u06cc\u0634\u062a\u0631 \u0628\u0627\u0634\u062f\u060c \u06a9\u062f \u06af\u06cc\u062c \u06a9\u0646\u0646\u062f\u0647 \u062a\u0631 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0645\u0627 \u0631\u0627 \u0628\u0647 \u062c\u0647\u0646\u0645 \u0628\u0631\u06af\u0634\u062a\u06cc \u0633\u0648\u0642 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0627 \u0632\u0646\u062c\u06cc\u0631 \u06a9\u0631\u062f\u0646 \u0686\u0646\u062f\u06cc\u0646 \u0645\u0648\u0631\u062f \u0627\u0632 \u0622\u0646 \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0631\u062f <code>then()<\/code> \u0645\u0648\u0627\u062f \u0648 \u0631\u0648\u0634 \u0647\u0627 \u0631\u0648\u06cc \u06cc\u06a9 \u0645\u062c\u0631\u062f <code>Promise<\/code>d \u0646\u062a\u06cc\u062c\u0647:<\/p>\n<pre><code class=\"hljs\">promise.then(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">result<\/span>) <\/span>{\n    <span class=\"hljs-comment\">\/\/ Register user<\/span>\n    <span class=\"hljs-keyword\">return<\/span> {<span class=\"hljs-attr\">account<\/span>: <span class=\"hljs-string\">'blahblahblah'<\/span>};\n}).then(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">result<\/span>) <\/span>{\n    <span class=\"hljs-comment\">\/\/ Auto login<\/span>\n    <span class=\"hljs-keyword\">return<\/span> {<span class=\"hljs-attr\">session<\/span>: <span class=\"hljs-string\">'sjhgssgsg16775vhg765'<\/span>};\n}).then(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">result<\/span>) <\/span>{\n    <span class=\"hljs-comment\">\/\/ Present WhatsNew and some options<\/span>\n    <span class=\"hljs-keyword\">return<\/span> {<span class=\"hljs-attr\">whatsnew<\/span>: {}, <span class=\"hljs-attr\">options<\/span>: {}};\n}).then(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">result<\/span>) <\/span>{\n    <span class=\"hljs-comment\">\/\/ Remember the user Choices<\/span>\n    <span class=\"hljs-keyword\">return<\/span> {<span class=\"hljs-attr\">msg<\/span>: <span class=\"hljs-string\">'All done'<\/span>};\n});\n<\/code><\/pre>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0645\u06cc \u0628\u06cc\u0646\u06cc\u0645 \u0646\u062a\u06cc\u062c\u0647 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0639\u0628\u0648\u0631 \u062f\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <code>then()<\/code> \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627:<\/p>\n<ul>\n<li>\u0627\u0648\u0644\u06cc\u0647 <code>promise<\/code> \u0634\u06cc \u062d\u0644 \u0645\u06cc \u0634\u0648\u062f<\/li>\n<li>\u0633\u067e\u0633 <code>then()<\/code> \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0631\u0627\u06cc \u062b\u0628\u062a \u0646\u0627\u0645 \u06a9\u0627\u0631\u0628\u0631 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f<\/li>\n<li>\u0645\u0642\u062f\u0627\u0631\u06cc \u06a9\u0647 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f \u0628\u0647 \u0628\u0639\u062f\u06cc \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u0634\u0648\u062f <code>then()<\/code> \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0631\u0627\u06cc \u0648\u0631\u0648\u062f \u062e\u0648\u062f\u06a9\u0627\u0631 \u06a9\u0627\u0631\u0628\u0631<\/li>\n<li>&#8230; \u0648 \u063a\u06cc\u0631\u0647 \u0631\u0648\u06cc<\/li>\n<\/ul>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 <code>then(handler)<\/code> \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u06cc\u06a9 \u0648\u0639\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u0648 \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0627\u06af\u0631\u0686\u0647 \u0627\u0632 \u0646\u0638\u0631 \u0641\u0646\u06cc \u0645\u0627 <em>\u0645\u06cc \u062a\u0648\u0627\u0646<\/em> \u06a9\u0627\u0631\u06cc \u0645\u0627\u0646\u0646\u062f \u0645\u062b\u0627\u0644 \u0627\u062f\u0627\u0645\u0647 \u062f\u0647\u06cc\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0646\u0642\u0637\u0647 \u0632\u0646\u062c\u06cc\u0631 \u0631\u0627 \u0627\u0632 \u0628\u06cc\u0646 \u0628\u0628\u0631\u062f.  \u0627\u06af\u0631\u0686\u0647 \u0627\u06cc\u0646 \u062a\u06a9\u0646\u06cc\u06a9 \u0628\u0631\u0627\u06cc \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u062f\u0627\u0631\u06cc\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062e\u0648\u0628 \u0628\u0627\u0634\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> promise = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-built_in\">Promise<\/span>(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">resolve, reject<\/span>) <\/span>{\n    <span class=\"hljs-built_in\">setTimeout<\/span>(<span class=\"hljs-function\">() =&gt;<\/span> resolve({<span class=\"hljs-attr\">msg<\/span>: <span class=\"hljs-string\">'To do some more job'<\/span>}), <span class=\"hljs-number\">1000<\/span>);\n});\n\npromise.then(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">result<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">return<\/span> {<span class=\"hljs-attr\">data<\/span>: <span class=\"hljs-string\">'some data'<\/span>};\n});\n\npromise.then(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">result<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">return<\/span> {<span class=\"hljs-attr\">data<\/span>: <span class=\"hljs-string\">'some other data'<\/span>};\n});\n\npromise.then(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">result<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">return<\/span> {<span class=\"hljs-attr\">data<\/span>: <span class=\"hljs-string\">'some more data'<\/span>};\n});\n<\/code><\/pre>\n<p>\u06a9\u0627\u0631\u06cc \u06a9\u0647 \u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u06cc\u0645 \u0641\u0642\u0637 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0686\u0646\u062f\u06cc\u0646 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0647 \u06cc\u06a9 \u0648\u0639\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0647\u0645\u0647 \u0622\u0646\u0647\u0627 process \u0631\u0627 <code>result<\/code> \u0628\u0647 \u0637\u0648\u0631 \u0645\u0633\u062a\u0642\u0644  \u0622\u0646\u0647\u0627 \u0646\u062a\u06cc\u062c\u0647 \u0631\u0627 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0645\u0646\u062a\u0642\u0644 \u0646\u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<p>\u0628\u0647 \u0627\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628\u060c \u0647\u0645\u0647 \u06af\u0631\u062f\u0627\u0646\u0646\u062f\u06af\u0627\u0646 \u06cc\u06a9 \u0646\u062a\u06cc\u062c\u0647 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u0646\u062f &#8211; \u0646\u062a\u06cc\u062c\u0647 \u0622\u0646 \u0648\u0639\u062f\u0647 &#8211; <code>{msg: 'To do some more job'}<\/code>.<\/p>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\"><\/span>\u0646\u062a\u06cc\u062c\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>Promise<\/code>s\u060c \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0632 \u0646\u0627\u0645 \u0622\u0646 \u067e\u06cc\u062f\u0627\u0633\u062a\u060c \u062a\u0627\u0628\u0639\u06cc \u0627\u0633\u062a \u06a9\u0647 &#8220;\u06a9\u0644\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f&#8221; \u06a9\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u062f\u0631 \u0632\u0645\u0627\u0646 \u0628\u0639\u062f\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u0627\u06cc\u0646 \u06cc\u06a9 \u067e\u0631\u0648\u06a9\u0633\u06cc \u0628\u0631\u0627\u06cc \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0646\u0634\u0648\u062f\u060c \u0627\u06af\u0631 \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0627\u0646\u062a\u0638\u0627\u0631 \u062f\u0627\u0631\u06cc\u0645 \u067e\u0627\u0633\u062e\u06cc \u0627\u0632 \u0622\u0646 \u0627\u0631\u0627\u0626\u0647 \u0646\u0634\u0648\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u062a\u0648\u0627\u0628\u0639 \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0647 \u062c\u0627\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u0634\u062e\u0635\u060c a \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u0646\u062f <code>Promise<\/code> \u0645\u0648\u0636\u0648\u0639\u06cc \u06a9\u0647 \u062f\u0631 \u0645\u0642\u0637\u0639\u06cc \u06cc\u0627 \u0645\u062d\u0642\u0642 \u0645\u06cc \u0634\u0648\u062f \u06cc\u0627 \u062e\u06cc\u0631.<\/p>\n<p>\u0627\u06af\u0631 \u0628\u0627 \u062a\u0645\u0627\u0633\u200c\u0647\u0627\u06cc \u0628\u0631\u06af\u0634\u062a\u06cc \u06a9\u0627\u0631 \u06a9\u0631\u062f\u0647\u200c\u0627\u06cc\u062f\u060c \u0628\u0627\u06cc\u062f \u0627\u0632 \u0645\u0639\u0646\u0627\u06cc \u067e\u0627\u06a9 \u0648 \u0648\u0627\u0636\u062d \u0622\u0646 \u0642\u062f\u0631\u062f\u0627\u0646\u06cc \u06a9\u0646\u06cc\u062f <code>Promise<\/code>\u0633<\/p>\n<p>\u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u0647 Node\/JavaScript\u060c \u0645\u0627 \u0628\u06cc\u0634\u062a\u0631 \u0628\u0627 \u0648\u0639\u062f\u0647\u200c\u0647\u0627 \u0633\u0631\u0648\u06a9\u0627\u0631 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u0634\u062a.  \u0628\u0647 \u0647\u0631 \u062d\u0627\u0644\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u062f\u0646\u06cc\u0627\u06cc \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646\u060c \u067e\u0631 \u0627\u0632 \u0634\u06af\u0641\u062a\u06cc \u0627\u0633\u062a.<\/p>\n<\/div>\n<p>    (\u0628\u0631\u0686\u0633\u0628\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u062a\u0631\u062c\u0645\u0647)# \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<br \/>\n<br \/><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-24 17:03:04<br \/>\n<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;16407&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628&quot;,&quot;legend&quot;:&quot;0\\\/5 (0 \u0631\u0627\u06cc)&quot;,&quot;size&quot;:&quot;30&quot;,&quot;title&quot;:&quot;Promises \u062f\u0631 Node.jsJavaScript \u062a\u06a9 \u0631\u0634\u062a\u0647 \u0627\u06cc \u0627\u0633\u062a\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0647\u0645\u0647 \u0686\u06cc\u0632\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627\u060c \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f. \u0631\u0648\u06cc \u0647\u0645\u0627\u0646 \u0631\u0634\u062a\u0647  \u0627\u06af\u0631 \u0631\u0634\u062a\u0647 \u0622\u0632\u0627\u062f \u0646\u0628\u0627\u0634\u062f\u060c \u0627\u062c\u0631\u0627\u06cc \u06a9\u062f \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0622\u0632\u0627\u062f \u0634\u0648\u062f \u0628\u0647 \u062a\u0623\u062e\u06cc\u0631 \u0645\u06cc \u0627\u0641\u062a\u062f.  \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u06af\u0644\u0648\u06af\u0627\u0647 \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u0627 \u0628\u0627\u0634\u062f \u0632\u06cc\u0631\u0627 \u0648\u0627\u0642\u0639\u0627\u064b \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0639\u062b \u0645\u0634\u06a9\u0644\u0627\u062a \u062c\u062f\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0634\u0648\u062f.  \u0631\u0627\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0622\u0646\u0647\u0627 ...&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} ({count} \u0631\u0627\u06cc)&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 24px;\">\n            <span class=\"kksr-muted\">\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a \u062a\u06a9 \u0631\u0634\u062a\u0647 \u0627\u06cc\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0647\u0645\u0647 \u0686\u06cc\u0632\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627\u060c \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f \u0631\u0648\u06cc \u0647\u0645\u0627\u0646 \u0631\u0634\u062a\u0647 \u0627\u06af\u0631 \u0631\u0634\u062a\u0647 \u0622\u0632\u0627\u062f \u0646\u0628\u0627\u0634\u062f\u060c \u0627\u062c\u0631\u0627\u06cc \u06a9\u062f \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0622\u0632\u0627\u062f \u0634\u0648\u062f \u0628\u0647 \u062a\u0623\u062e\u06cc\u0631 \u0645\u06cc \u0627\u0641\u062a\u062f. \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u06af\u0644\u0648\u06af\u0627\u0647 \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u0627 \u0628\u0627\u0634\u062f \u0632\u06cc\u0631\u0627 \u0648\u0627\u0642\u0639\u0627\u064b \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0639\u062b \u0645\u0634\u06a9\u0644\u0627\u062a \u062c\u062f\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0634\u0648\u062f. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":9049,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1772,620],"tags":[],"class_list":["post-16407","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript","category-programming"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/16407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/comments?post=16407"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/16407\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media\/9049"}],"wp:attachment":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media?parent=16407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=16407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=16407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}