{"id":15371,"date":"2024-01-11T13:44:09","date_gmt":"2024-01-11T10:14:09","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1\/"},"modified":"2024-01-11T13:44:09","modified_gmt":"2024-01-11T10:14:09","slug":"%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1\/","title":{"rendered":"\u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0646\u0642\u0634\u0647 \u062c\u0627\u0648\u0627 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>\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\/%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1\/#%d8%ac%d8%a7%d9%88%d8%a7_%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa_%d9%86%d9%82%d8%b4%d9%87_%d8%b1%d9%88%d8%b4\" >\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0646\u0642\u0634\u0647 () \u0631\u0648\u0634<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1\/#%d9%86%d8%ad%d9%88\" >\u0646\u062d\u0648<\/a><\/li><\/ul><\/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\/%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1\/#%da%86%da%af%d9%88%d9%86%d9%87_%d9%86%d9%82%d8%b4%d9%87_%da%a9%d8%a7%d8%b1%d8%9f\" >\u0686\u06af\u0648\u0646\u0647 \u0646\u0642\u0634\u0647 () \u06a9\u0627\u0631\u061f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1\/#%d9%86%d9%85%d9%88%d9%86%d9%87_%d9%87%d8%a7%db%8c_map\" >\u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc map()<\/a><\/li><\/ul><\/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\/%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1\/#%d9%86%d9%82%d8%b4%d9%87_%d8%af%d8%b1_%d9%85%d9%82%d8%a7%d8%a8%d9%84_%d8%b3%d8%a7%db%8c%d8%b1_%d8%b1%d9%88%d8%b4_%d9%87%d8%a7%db%8c_%d8%aa%da%a9%d8%b1%d8%a7%d8%b1_%da%a9%d9%86%d9%86%d8%af%d9%87%d8%9f\" >\u0646\u0642\u0634\u0647 () \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u0633\u0627\u06cc\u0631 \u0631\u0648\u0634 \u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647\u061f<\/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:\/\/rasanegaar.com\/blog\/%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1\/#map_%d8%af%d8%b1_%d9%85%d9%82%d8%a7%d8%a8%d9%84_foreach\" >map() \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 forEach()<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1\/#%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%da%a9%d8%b1%d8%af%d9%86_%d9%86%d9%82%d8%b4%d9%87_%d8%a8%d8%a7_%d8%b3%d8%a7%db%8c%d8%b1_%d8%b1%d9%88%d8%b4_%d9%87%d8%a7%db%8c_%d8%a2%d8%b1%d8%a7%db%8c%d9%87\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 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href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1\/#%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%da%a9%d8%b1%d8%af%d9%86_%d9%86%d9%82%d8%b4%d9%87_%d8%a8%d8%a7_%d9%85%d8%b9%da%a9%d9%88%d8%b3\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0646\u0642\u0634\u0647 () \u0628\u0627 \u0645\u0639\u06a9\u0648\u0633()<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1\/#%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%da%a9%d8%b1%d8%af%d9%86_%d9%86%d9%82%d8%b4%d9%87_%d8%b1%d9%88%db%8c_%db%8c%da%a9_%d8%b4%db%8c\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0646\u0642\u0634\u0647 () \u0631\u0648\u06cc  \u06cc\u06a9 \u0634\u06cc<\/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:\/\/rasanegaar.com\/blog\/%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7%db%8c-%d9%86%d9%82%d8%b4%d9%87-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-method%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%a7%d8%b2-%d8%b7%d8%b1\/#%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\"> 6<\/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>\u062a\u06a9\u0631\u0627\u0631 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062f\u0646\u0628\u0627\u0644\u0647 \u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0648 \u0646\u0645\u0627\u06cc\u0634 \u0639\u0646\u0627\u0635\u0631 \u062f\u0646\u0628\u0627\u0644\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f &#8211; \u0627\u0645\u0627 \u0627\u063a\u0644\u0628 \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u06cc\u06a9 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f. \u0631\u0648\u06cc \u0647\u0631 \u06cc\u06a9 \u06cc\u0627 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631<\/p>\n<div class=\"alert alert-note\">\n<div class=\"flex\">\n<div class=\"flex-shrink-0 mr-3\"><\/div>\n<div class=\"w-full\">\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0627\u0639\u0645\u0627\u0644 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u0627\u0632 \u06cc\u06a9 \u062f\u0646\u0628\u0627\u0644\u0647\u060c \u0648 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0628\u0647 \u06cc\u06a9 \u062f\u0646\u0628\u0627\u0644\u0647 \u062c\u062f\u06cc\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0634\u0646\u0627\u062e\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. <em>\u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc<\/em>\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0647\u0631 \u0639\u0646\u0635\u0631 \u0627\u0632 \u062f\u0646\u0628\u0627\u0644\u0647 \u0627\u0635\u0644\u06cc\u060c <code>Ex<\/code>\u060c \u0628\u0647 \u06cc\u06a9 \u0639\u0646\u0635\u0631 \u0628\u0627\u0644\u0642\u0648\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0627\u0632 \u062f\u0646\u0628\u0627\u0644\u0647 \u062c\u062f\u06cc\u062f \u0646\u06af\u0627\u0634\u062a\u060c <code>Exi<\/code>.<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u0645\u0627\u0646\u0646\u062f \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0632\u0628\u0627\u0646 \u0647\u0627\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f\u06cc \u062f\u0627\u0631\u062f <em>\u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0642\u0634\u0647<\/em>\u060c \u0648 \u062f\u0631 \u0622\u0646 \u062a\u0639\u0628\u06cc\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a <code>Array<\/code> \u06a9\u0644\u0627\u0633<\/p>\n<blockquote>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u060c \u0631\u0648\u0634 \u06a9\u0627\u0631 \u0628\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u06cc\u0627\u062f \u062e\u0648\u0627\u0647\u06cc\u062f \u06af\u0631\u0641\u062a <code>map()<\/code> \u0631\u0648\u0634 \u0648 \u0631\u0648\u0634 \u06a9\u0627\u0631 \u0622\u0646\u060c \u0631\u0648\u06cc \u0646\u0645\u0648\u0646\u0647 \u06a9\u062f\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc<\/p>\n<\/blockquote>\n<h2 id=\"javascriptsmapmethod\"><span class=\"ez-toc-section\" id=\"%d8%ac%d8%a7%d9%88%d8%a7_%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa_%d9%86%d9%82%d8%b4%d9%87_%d8%b1%d9%88%d8%b4\"><\/span>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a <em>\u0646\u0642\u0634\u0647 ()<\/em> \u0631\u0648\u0634<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0632 \u0637\u0631\u06cc\u0642 <code>for-loop<\/code> \u0646\u062d\u0648 \u0648 \u0628\u0628\u06cc\u0646\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0631\u0648\u0634 \u0647\u0627\u06cc \u062e\u0627\u0635\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645.  \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0627\u0645\u062a\u06cc\u0627\u0632\u0627\u062a \u062f\u0627\u0631\u06cc\u0645 \u0648 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u0628\u0647 \u0647\u0631 \u06a9\u062f\u0627\u0645 5 \u0627\u0645\u062a\u06cc\u0627\u0632 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645 \u062a\u0627 \u0628\u0647 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0627\u0645\u062a\u06cc\u0627\u0632 \u06a9\u0645\u06a9 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> mathScores = (<span class=\"hljs-number\">39<\/span>, <span class=\"hljs-number\">50<\/span>, <span class=\"hljs-number\">45<\/span>, <span class=\"hljs-number\">41<\/span>, <span class=\"hljs-number\">50<\/span>); \n<span class=\"hljs-keyword\">let<\/span> newScores = ();\n  \n<span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; mathScores.length; i++) {\n    newScores.push(mathScores(i) + <span class=\"hljs-number\">5<\/span>);\n}\n\n<span class=\"hljs-built_in\">console<\/span>.log(newScores); <span class=\"hljs-comment\">\/\/ (44,55,50,46,55)<\/span>\n<\/code><\/pre>\n<p>\u062f\u0631 \u06a9\u062f \u0628\u0627\u0644\u0627\u060c \u0645\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062d\u0644\u0642\u0647 \u062d\u0644\u0642\u0647 \u0632\u062f\u06cc\u0645 <code>mathScores<\/code> \u0622\u0631\u0627\u06cc\u0647\u060c \u0628\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 5 \u0628\u0647 \u0647\u0631 \u0639\u0636\u0648\u060c \u0648 \u0633\u067e\u0633 \u0646\u0645\u0631\u0627\u062a \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0647 <code>newScores<\/code> \u0622\u0631\u0627\u06cc\u0647.<\/p>\n<p>\u0627\u06cc\u0646 \u06cc\u06a9 \u0631\u0648\u0634 \u06a9\u0627\u0645\u0644\u0627\u064b \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u0633\u062a \u0648 \u06a9\u0627\u0645\u0644\u0627\u064b \u0634\u0628\u06cc\u0647 \u0628\u0647 \u0622\u0646\u0686\u0647 \u0627\u0633\u062a <code>map()<\/code> \u0645\u06cc\u06a9\u0646\u062f!<\/p>\n<blockquote>\n<p>\u0631\u0627 <code>Array.map()<\/code> \u0645\u062a\u062f \u062f\u0631 \u0633\u0631\u0627\u0633\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u0634\u0648\u062f \u0648 \u06cc\u06a9 \u062a\u0627\u0628\u0639 callback \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0631\u0648\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631\u060c \u0639\u0646\u0627\u0635\u0631 \u062d\u0627\u0635\u0644 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<\/blockquote>\n<h3 id=\"syntax\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%ad%d9%88\"><\/span>\u0646\u062d\u0648<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0646\u062d\u0648 \u0631\u0648\u0634 \u0646\u0633\u0628\u062a\u0627\u064b \u0633\u0627\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> newArray = oldArray.map(<span class=\"hljs-function\">(<span class=\"hljs-params\">currentValue, index, array<\/span>)=&gt;<\/span>{\n    <span class=\"hljs-comment\">\/\/ Do stuff with currentValue<\/span>\n})\n<\/code><\/pre>\n<p>\u0631\u0627 <code>index<\/code> \u0648 <code>array<\/code> \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u0647\u0633\u062a\u0646\u062f \u0648 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u0632 \u0622\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 <em>\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/em> \u0627\u0632 <code>currentValue<\/code> \u0648 \u062e\u0648\u062f \u0622\u0631\u0627\u06cc\u0647 \u0627\u0635\u0644\u06cc.<\/p>\n<ul>\n<li><code>newArray<\/code>  &#8211; \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f\u06cc \u06a9\u0647 \u067e\u0633 \u0627\u0632 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <code>map()<\/code> \u062a\u0627\u0628\u0639 \u0627\u0639\u0645\u0627\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/li>\n<li><code>oldArray<\/code>  &#8211; <code>map()<\/code> \u062a\u0627\u0628\u0639 \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0631\u0648\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0627\u0635\u0644\u06cc\u060c \u0648 \u0622\u0646 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0645\u06cc \u062f\u0647\u062f.<\/li>\n<li><code>currentValue<\/code>  &#8211; \u0627\u0631\u0632\u0634\u06cc \u06a9\u0647 <code>map()<\/code> \u062a\u0627\u0628\u0639 \u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u067e\u0631\u062f\u0627\u0632\u0634 \u0627\u0633\u062a <code>X<\/code>\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u062a\u0627\u0628\u0639 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f <code>X<\/code>.<\/li>\n<li><code>index<\/code>  &#8211; \u0634\u0627\u062e\u0635 \u0627\u0631\u0632\u0634 \u0641\u0639\u0644\u06cc.<\/li>\n<li><code>array<\/code>  &#8211; \u06cc\u06a9 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u06a9\u0647 \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0635\u0644\u06cc \u0627\u0634\u0627\u0631\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<p>\u0628\u0631\u0627\u06cc \u06cc\u06a9 \u062a\u062c\u0631\u0628\u0647 \u0628\u0635\u0631\u06cc \u0628\u0635\u0631\u06cc &#8211; \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u06cc\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0627 \u062b\u0628\u062a \u06a9\u0646\u06cc\u062f \u0648 \u0641\u0642\u0637 \u0645\u0642\u062f\u0627\u0631 \u0627\u0635\u0644\u06cc \u0631\u0627 \u0628\u062f\u0648\u0646 \u0647\u06cc\u0686 \u062a\u063a\u06cc\u06cc\u0631\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> mathScores = (<span class=\"hljs-number\">39<\/span>, <span class=\"hljs-number\">50<\/span>, <span class=\"hljs-number\">45<\/span>, <span class=\"hljs-number\">41<\/span>, <span class=\"hljs-number\">50<\/span>);\n  \nmathScores.map(<span class=\"hljs-function\">(<span class=\"hljs-params\">currentValue, index, array<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'Current value:'<\/span> + currentValue);\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'Index:'<\/span> + index);\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'Array:'<\/span> + array);\n    <span class=\"hljs-keyword\">return<\/span> currentValue;\n})\n<\/code><\/pre>\n<pre><code class=\"hljs\">\"Current value:39\"\n\"Index:0\"\n\"Array:39,50,45,41,50\"\n...\n\"Current value:50\"\n\"Index:4\"\n\"Array:39,50,45,41,50\"\n<\/code><\/pre>\n<h2 id=\"howdoesmapwork\"><span class=\"ez-toc-section\" id=\"%da%86%da%af%d9%88%d9%86%d9%87_%d9%86%d9%82%d8%b4%d9%87_%da%a9%d8%a7%d8%b1%d8%9f\"><\/span>\u0686\u06af\u0648\u0646\u0647 <em>\u0646\u0642\u0634\u0647 ()<\/em> \u06a9\u0627\u0631\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0631\u0627 <code>map()<\/code> \u0639\u0645\u0644\u06a9\u0631\u062f\u060c \u0628\u0631\u0627\u06cc \u062a\u0645\u0627\u0645 \u0627\u0647\u062f\u0627\u0641 \u0639\u0645\u0644\u06cc\u060c \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0639\u0646\u0627\u0635\u0631 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f \u0631\u0648\u06cc &#8211; \u0627\u0645\u0627 \u0627\u06af\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u06a9\u0647 \u0628\u0627 \u0622\u0646 \u062a\u0645\u0627\u0633 \u0645\u06cc \u06af\u06cc\u0631\u06cc\u062f <code>map()<\/code> \u0631\u0648\u06cc  \u062e\u0627\u0644\u06cc \u0627\u0633\u062a\u060c \u0641\u0642\u0637 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062e\u0627\u0644\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.  \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u0632 \u0622\u0646 \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u067e\u06cc\u06a9\u0627\u0646 \u06cc\u0627 \u062a\u0648\u0627\u0628\u0639 \u0645\u0639\u0645\u0648\u0644\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f:<\/p>\n<p>\u0642\u0628\u0644 \u0627\u0632 ES6\u060c \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u06cc\u06a9 callback \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u06a9\u0631\u062f\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> codes = (<span class=\"hljs-number\">101<\/span>, <span class=\"hljs-number\">201<\/span>, <span class=\"hljs-number\">301<\/span>, <span class=\"hljs-number\">303<\/span>, <span class=\"hljs-number\">202<\/span>);\n<span class=\"hljs-keyword\">let<\/span> mathCodes = codes.map(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">code<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">`mth<span class=\"hljs-subst\">${code}<\/span>`<\/span>;\n});\n  \n<span class=\"hljs-built_in\">console<\/span>.log(mathCodes); <span class=\"hljs-comment\">\/\/(\"mth101\",\"mth201\",\"mth301\",\"mth303\",\"mth202\")<\/span>\n<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0628\u0627 ES6\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u067e\u06cc\u06a9\u0627\u0646 \u0628\u0631\u0627\u06cc \u067e\u0627\u06a9 \u06a9\u0631\u062f\u0646 \u06a9\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> codes = (<span class=\"hljs-number\">101<\/span>, <span class=\"hljs-number\">201<\/span>, <span class=\"hljs-number\">301<\/span>, <span class=\"hljs-number\">303<\/span>, <span class=\"hljs-number\">202<\/span>); \n<span class=\"hljs-keyword\">let<\/span> mathCodes = codes.map(<span class=\"hljs-function\">(<span class=\"hljs-params\">code<\/span>)=&gt;<\/span>{\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">`mth<span class=\"hljs-subst\">${code}<\/span>`<\/span>;\n});\n  \n<span class=\"hljs-built_in\">console<\/span>.log(mathCodes); <span class=\"hljs-comment\">\/\/(\"mth101\",\"mth201\",\"mth301\",\"mth303\",\"mth202\")<\/span>\n<\/code><\/pre>\n<h3 id=\"mapexamples\"><span class=\"ez-toc-section\" id=\"%d9%86%d9%85%d9%88%d9%86%d9%87_%d9%87%d8%a7%db%8c_map\"><\/span>\u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc map()<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0686\u0646\u062f \u0646\u0645\u0648\u0646\u0647 \u0627\u0632 \u0622\u0646 \u0628\u06cc\u0627\u0646\u062f\u0627\u0632\u06cc\u0645 <code>map()<\/code> \u062a\u0627\u0628\u0639!  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0645\u0631\u0628\u0639 \u0631\u0627 \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0646\u06cc\u0645 root \u0627\u0632 \u0647\u0631 \u0634\u0645\u0627\u0631\u0647 \u062f\u0631 \u0644\u06cc\u0633\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> numbers = (<span class=\"hljs-number\">9<\/span>, <span class=\"hljs-number\">36<\/span>, <span class=\"hljs-number\">64<\/span>, <span class=\"hljs-number\">144<\/span>);\n  \n<span class=\"hljs-keyword\">let<\/span> squareRoots = numbers.map(<span class=\"hljs-function\">(<span class=\"hljs-params\">number<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-built_in\">Math<\/span>.sqrt(number);\n});\n  \n<span class=\"hljs-built_in\">console<\/span>.log(squareRoots); <span class=\"hljs-comment\">\/\/ (3,6,8,12)<\/span>\n<\/code><\/pre>\n<p>\u06cc\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0647\u0631 \u0639\u0646\u0635\u0631 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0644 \u0622\u0646 \u0646\u06af\u0627\u0634\u062a \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> names = (<span class=\"hljs-string\">\"Bilbo\"<\/span>, <span class=\"hljs-string\">\"Gandalf\"<\/span>, <span class=\"hljs-string\">\"Nazgul\"<\/span>);\n<span class=\"hljs-keyword\">let<\/span> lengths = names.map(<span class=\"hljs-function\">(<span class=\"hljs-params\">name<\/span>) =&gt;<\/span> name.length);\n<span class=\"hljs-built_in\">console<\/span>.log(lengths); <span class=\"hljs-comment\">\/\/ (5,7,6)<\/span>\n<\/code><\/pre>\n<p>\u06cc\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0631\u0627 \u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u0645 <em>\u0627\u0639\u062a\u0631\u0627\u0636 \u062f\u0627\u0646\u0634\u062c\u0648<\/em> \u0628\u0647 \u0646\u0627\u0645 \u0648 \u0646\u0627\u0645 \u062e\u0627\u0646\u0648\u0627\u062f\u06af\u06cc \u0622\u0646\u0647\u0627:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> students = (\n    {<span class=\"hljs-attr\">firstName<\/span> : <span class=\"hljs-string\">\"John\"<\/span>, <span class=\"hljs-attr\">lastName<\/span>: <span class=\"hljs-string\">\"Doe\"<\/span>},\n    {<span class=\"hljs-attr\">firstName<\/span> : <span class=\"hljs-string\">\"Stephen\"<\/span>, <span class=\"hljs-attr\">lastName<\/span>: <span class=\"hljs-string\">\"Matt\"<\/span>},\n    {<span class=\"hljs-attr\">firstName<\/span> : <span class=\"hljs-string\">\"Abigail\"<\/span>, <span class=\"hljs-attr\">lastName<\/span>: <span class=\"hljs-string\">\"Susu\"<\/span>}\n);\n  \n<span class=\"hljs-keyword\">let<\/span> studentsNames = students.map(<span class=\"hljs-function\"><span class=\"hljs-params\">student<\/span> =&gt;<\/span> {\n      <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">`<span class=\"hljs-subst\">${student.firstName}<\/span> <span class=\"hljs-subst\">${student.lastName}<\/span>`<\/span>;\n})\n  \n<span class=\"hljs-built_in\">console<\/span>.log(studentsNames); <span class=\"hljs-comment\">\/\/ (\"John Doe\",\"Stephen Matt\",\"Abigail Susu\")<\/span>\n<\/code><\/pre>\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0648\u0627\u0642\u0639\u0627 \u0645\u062a\u062f\u0627\u0648\u0644 \u0628\u0631\u0627\u06cc <code>map()<\/code> \u062a\u0627\u0628\u0639 \u0631\u0648\u06cc \u0642\u0633\u0645\u062a \u062c\u0644\u0648\u06cc\u06cc \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627 \u062f\u0631 HTML \u0627\u0633\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> cont = <span class=\"hljs-built_in\">document<\/span>.getElementById(<span class=\"hljs-string\">'#container'<\/span>);\n  \n<span class=\"hljs-keyword\">let<\/span> users = (\n    { <span class=\"hljs-attr\">firstName<\/span> : <span class=\"hljs-string\">\"John\"<\/span>, <span class=\"hljs-attr\">lastName<\/span>: <span class=\"hljs-string\">\"Doe\"<\/span>, <span class=\"hljs-attr\">age<\/span>: <span class=\"hljs-number\">17<\/span> },\n    { <span class=\"hljs-attr\">firstName<\/span> : <span class=\"hljs-string\">\"Stephen\"<\/span>, <span class=\"hljs-attr\">lastName<\/span>: <span class=\"hljs-string\">\"Matt\"<\/span>, <span class=\"hljs-attr\">age<\/span>: <span class=\"hljs-number\">16<\/span> },\n    { <span class=\"hljs-attr\">firstName<\/span> : <span class=\"hljs-string\">\"Abigail\"<\/span>, <span class=\"hljs-attr\">lastName<\/span>: <span class=\"hljs-string\">\"Susu\"<\/span>, <span class=\"hljs-attr\">age<\/span>: <span class=\"hljs-number\">15<\/span> }\n);\n  \n<span class=\"hljs-keyword\">let<\/span> singleUser = users.map(<span class=\"hljs-function\">(<span class=\"hljs-params\">user<\/span>)=&gt;<\/span>{\n    <span class=\"hljs-comment\">\/\/ Let's add the firstname and lastname together<\/span>\n    <span class=\"hljs-keyword\">let<\/span> fullName = user.firstName + <span class=\"hljs-string\">' '<\/span> + user.lastName;\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">`\n      &lt;h3 class='name'&gt;<span class=\"hljs-subst\">${fullName}<\/span>&lt;\/h3&gt;\n      &lt;p class=\"age\"&gt;<span class=\"hljs-subst\">${user.age}<\/span>&lt;\/p&gt;\n    `<\/span>\n});\n  \ncontainer.innerHTML = singleUser;\n<\/code><\/pre>\n<h2 id=\"mapvsotheriteratormethods\"><span class=\"ez-toc-section\" id=\"%d9%86%d9%82%d8%b4%d9%87_%d8%af%d8%b1_%d9%85%d9%82%d8%a7%d8%a8%d9%84_%d8%b3%d8%a7%db%8c%d8%b1_%d8%b1%d9%88%d8%b4_%d9%87%d8%a7%db%8c_%d8%aa%da%a9%d8%b1%d8%a7%d8%b1_%da%a9%d9%86%d9%86%d8%af%d9%87%d8%9f\"><\/span><em>\u0646\u0642\u0634\u0647 ()<\/em> \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u0633\u0627\u06cc\u0631 \u0631\u0648\u0634 \u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>map()<\/code>  \u0646\u0645\u0648\u0646\u0647 \u0627\u06cc \u0627\u0632 \u06cc\u06a9 \u0631\u0648\u0634 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a \u0648 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a \u06a9\u0647 \u0628\u0641\u0647\u0645\u06cc\u062f \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u0632 \u06a9\u062f\u0627\u0645 \u0631\u0648\u0634 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.  \u0645\u062a\u062f\u0647\u0627\u06cc Iterator \u0634\u0645\u0627 \u0631\u0627 \u0642\u0627\u062f\u0631 \u0645\u06cc\u200c\u0633\u0627\u0632\u062f \u062a\u0627 \u0631\u0648\u06cc \u062a\u0645\u0627\u0645 \u0627\u0634\u06cc\u0627\u0621 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062d\u0644\u0642\u0647 \u0628\u0632\u0646\u06cc\u062f \u062a\u0627 \u0639\u0645\u0644\u06cc\u0627\u062a \u062e\u0627\u0635\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<p>\u0647\u0646\u06af\u0627\u0645 \u062a\u0635\u0645\u06cc\u0645 \u06af\u06cc\u0631\u06cc \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>map()<\/code> \u0639\u0645\u0644\u06a9\u0631\u062f\u060c \u0627\u06cc\u062f\u0647 \u062e\u0648\u0628\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u0622\u06cc\u0627 \u062a\u06a9\u0646\u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631\u06a9\u0646\u0646\u062f\u0647 \u062f\u06cc\u06af\u0631\u06cc \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u0631\u062c\u062d \u0628\u0627\u0634\u062f \u06cc\u0627 \u062e\u06cc\u0631.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0631\u0648\u0634 \u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0636\u0627\u0641\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<ul>\n<li><strong>\u06a9\u0627\u0647\u0634 \u062f\u0627\u062f\u0646()<\/strong>: \u0639\u0645\u0644\u06cc\u0627\u062a \u06a9\u0627\u0647\u0634 \u06cc\u06a9\u06cc \u0627\u0632 \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u062a\u0631\u06cc\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062a\u0627\u0628\u0639\u06cc \u0627\u0633\u062a \u0648 \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0634\u0627\u0645\u0644 \u0645\u06cc \u0634\u0648\u062f <em>\u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f<\/em> \u06cc\u06a9 \u0628\u0631\u062f\u0627\u0631 \u0628\u0647 \u06cc\u06a9 \u0627\u0633\u06a9\u0627\u0644\u0631 (\u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631\u060c \u0628\u0647 \u06cc\u06a9 \u0648\u0627\u062d\u062f).  \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u062c\u0645\u0648\u0639 \u062a\u0645\u0627\u0645 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647\u060c \u06cc\u0627\u0641\u062a\u0646 \u0645\u06cc\u0627\u0646\u06af\u06cc\u0646\u060c \u062d\u062f\u0627\u0642\u0644 \u06cc\u0627 \u062d\u062f\u0627\u06a9\u062b\u0631\u060c \u06cc\u0627 \u0628\u0647 \u0647\u0631 \u0637\u0631\u06cc\u0642 \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0627\u0647\u0634 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u062a\u0631 \u0627\u0632 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631\u060c \u0646\u0627\u0634\u06cc \u0627\u0632 \u0627\u0635\u0644\u06cc \u0628\u0627\u0634\u062f.<\/li>\n<li><strong>\u0641\u06cc\u0644\u062a\u0631()<\/strong>: \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u0645\u0648\u0627\u0631\u062f\u06cc \u0631\u0627 \u0627\u0632 \u0644\u06cc\u0633\u062a\u06cc \u06a9\u0647 \u0628\u0627 \u0628\u0631\u062e\u06cc \u0645\u0639\u06cc\u0627\u0631\u0647\u0627\u06cc \u062e\u0627\u0635 \u0645\u0637\u0627\u0628\u0642\u062a \u0646\u062f\u0627\u0631\u0646\u062f \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u062f \u0648 \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u0627\u0632 \u0645\u0648\u0627\u0631\u062f \u0628\u0627\u0642\u06cc \u0645\u0627\u0646\u062f\u0647 \u0631\u0627 \u06a9\u0647 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u0646\u062f \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u06cc\u062f.<\/li>\n<li><strong>\u0628\u0631\u0627\u06cc \u0647\u0631()<\/strong>: \u0645\u0634\u0627\u0628\u0647 \u0627\u0644\u0641 <code>for...loop<\/code>\u060c <code>forEach()<\/code> \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0631\u0627 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u062f \u0631\u0648\u06cc \u0647\u0631 \u0645\u0648\u0631\u062f \u062f\u0631 \u06cc\u06a9 \u0644\u06cc\u0633\u062a  \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062d\u0644\u0642\u0647 \u0628\u0632\u0646\u06cc\u062f \u0648 \u06cc\u06a9 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f \u0631\u0648\u06cc \u0647\u0631 \u0645\u0648\u0631\u062f.<\/li>\n<\/ul>\n<p>\u062a\u0627 \u062d\u062f\u06cc &#8211; \u0627\u06cc\u0646 \u0633\u0648\u0627\u0644 \u067e\u06cc\u0634 \u0645\u06cc \u0622\u06cc\u062f:<\/p>\n<blockquote>\n<p>\u0686\u0647 \u0641\u0631\u0642\u06cc \u0628\u0627 \u0647\u0645 \u062f\u0627\u0631\u0646\u062f <code>map()<\/code> \u0648 <code>forEach()<\/code>?<\/p>\n<\/blockquote>\n<h3 id=\"mapvsforeach\"><span class=\"ez-toc-section\" id=\"map_%d8%af%d8%b1_%d9%85%d9%82%d8%a7%d8%a8%d9%84_foreach\"><\/span>map() \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 forEach()<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 \u0647\u0631 \u062f\u0648 \u0631\u0648\u0634 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u0646\u062f \u0648 \u0628\u0631\u0627\u06cc \u0627\u0639\u0645\u0627\u0644 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0647 \u0647\u0631 \u0639\u0636\u0648\u060c the <code>map()<\/code> \u0648 <code>forEach()<\/code> \u0631\u0648\u0634 \u0647\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0633\u06cc\u0627\u0631 \u0645\u0634\u0627\u0628\u0647 \u0628\u0647 \u0646\u0638\u0631 \u0628\u0631\u0633\u0646\u062f.<\/p>\n<p>\u062a\u0645\u0627\u06cc\u0632 \u0627\u0635\u0644\u06cc \u0628\u06cc\u0646 \u0627\u06cc\u0646 \u062f\u0648 \u0631\u0648\u0634 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 <code>map()<\/code> \u062a\u0627\u0628\u0639 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u062f <em>\u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f<\/em>\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 <code>forEach()<\/code> \u0631\u0648\u0634 \u0646\u0645\u06cc \u06a9\u0646\u062f &#8211; \u0622\u0646 \u0631\u0627 <em>\u0622\u0631\u0627\u06cc\u0647 \u0627\u0635\u0644\u06cc \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u062f\u0647\u062f<\/em>.<\/p>\n<p>\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u062f\u0631 \u0647\u0631 \u062a\u06a9\u0631\u0627\u0631 \u0627\u0632 <code>map()<\/code> \u0639\u0645\u0644\u06a9\u0631\u062f\u060c \u0634\u0645\u0627 <code>return<\/code> \u06cc\u06a9 \u0639\u0646\u0635\u0631 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647  \u0628\u0627 <code>forEach()<\/code>\u060c \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0631 \u0646\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u06cc\u062f\u060c \u0627\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u062a\u0648\u0627\u0628\u0639 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f \u0631\u0648\u06cc \u06a9\u0647 \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u062f\u0631 \u062c\u0627\u06cc \u062e\u0648\u062f \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u062f\u0647\u0646\u062f.  \u0627\u06af\u0631\u0686\u0647\u060c \u0634\u0645\u0627 \u062d\u062a\u06cc \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u0627\u062c\u0631\u0627\u06cc \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0646\u062f\u0627\u0631\u06cc\u062f \u0631\u0648\u06cc \u0639\u0646\u0635\u0631!<\/p>\n<p>\u0627\u06cc\u0646 \u0628\u0627\u0639\u062b \u0645\u06cc \u0634\u0648\u062f <code>forEach()<\/code> \u062a\u0631\u062c\u06cc\u062d\u0627\u064b \u0648\u0642\u062a\u06cc \u0635\u062d\u0628\u062a \u0627\u0632 \u062b\u0628\u062a \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0647 \u0645\u06cc\u0627\u0646 \u0645\u06cc\u200c\u0622\u06cc\u062f\u060c \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u0622\u0646\u0647\u0627:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> characters = (<span class=\"hljs-string\">'z'<\/span>, <span class=\"hljs-string\">'y'<\/span>, <span class=\"hljs-string\">'x'<\/span>, <span class=\"hljs-string\">'w'<\/span>);\n  \ncharacters.forEach(<span class=\"hljs-function\"><span class=\"hljs-params\">character<\/span> =&gt;<\/span> {\n    <span class=\"hljs-built_in\">console<\/span>.log(character);\n});\n<\/code><\/pre>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06af\u0631 \u0647\u062f\u0641\u062a\u0627\u0646 \u0628\u0627\u0634\u062f <em>\u062a\u063a\u06cc\u06cc\u0631 \u062f\u0627\u062f\u0646<\/em> \u0639\u0646\u0627\u0635\u0631\u060c <code>map()<\/code> \u062a\u0631\u062c\u06cc\u062d \u062f\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<h2 id=\"usingmapwithotherarraymethods\">\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 <em>\u0646\u0642\u0634\u0647 ()<\/em> \u0628\u0627 \u0633\u0627\u06cc\u0631 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647<\/h2>\n<p>\u0631\u0627 <code>map()<\/code> \u0631\u0648\u0634 \u0627\u0632 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0646\u0627\u0634\u06cc \u0645\u06cc \u0634\u0648\u062f &#8211; \u0648 \u0628\u0627 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc\u060c \u0631\u0648\u0634 \u0647\u0627\u06cc \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc \u0645\u0627\u0646\u0646\u062f \u062a\u0646\u0641\u0633 \u0637\u0628\u06cc\u0639\u06cc \u0627\u0633\u062a.  \u0632\u0646\u062c\u06cc\u0631\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0628\u0633\u06cc\u0627\u0631 \u0631\u0627\u06cc\u062c \u0627\u0633\u062a \u0648 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062e\u0637\u0648\u0637 \u0644\u0648\u0644\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0628\u0633\u06cc\u0627\u0631 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0627\u06cc \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u06a9\u0646\u062f!<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u06af\u0627\u0647\u06cc \u0628\u06cc\u0646\u062f\u0627\u0632\u06cc\u0645 \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0632\u0646\u062c\u06cc\u0631 \u06a9\u0646\u06cc\u062f <code>map()<\/code> \u0628\u0627 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0631\u0648\u0634 \u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u062f\u06cc\u06af\u0631 <code>Array<\/code> \u06a9\u0644\u0627\u0633<\/p>\n<h3 id=\"usingmapwithfilter\">\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 <em>\u0646\u0642\u0634\u0647 ()<\/em> \u0628\u0627 <em>\u0641\u06cc\u0644\u062a\u0631()<\/em><\/h3>\n<p>\u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646 \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0627\u0648\u0644\u06cc\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a \u062f\u0631 \u062e\u0637 \u0644\u0648\u0644\u0647 \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u0627\u062c\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0633\u062a \u0631\u0648\u06cc \u0639\u0646\u0627\u0635\u0631\u06cc \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u06af\u0646\u062c\u0627\u0646\u062f\u0647 \u0646\u0634\u0648\u0646\u062f\u060c \u0645\u06af\u0631 \u0627\u06cc\u0646\u06a9\u0647 \u0645\u0639\u06cc\u0627\u0631\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0622\u0646 \u0641\u06cc\u0644\u062a\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0631\u0648\u06cc \u0628\u0631\u062e\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u062f\u06cc\u06af\u0631 \u062f\u0631 \u062e\u0637 \u0644\u0648\u0644\u0647<\/p>\n<p>\u062a\u0648\u0627\u0644\u06cc \u0645\u062a\u062f\u0627\u0648\u0644 \u0645\u0631\u0627\u062d\u0644 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 <code>filter()<\/code> \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0631\u0648\u06cc \u06cc\u06a9 \u0645\u0639\u06cc\u0627\u0631 \u062e\u0627\u0635\u060c \u0648 \u0633\u067e\u0633 <code>map()<\/code> \u0639\u0646\u0627\u0635\u0631 \u0628\u0627\u0642\u06cc \u0645\u0627\u0646\u062f\u0647<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0632 \u062f\u0627\u0646\u0634 \u0622\u0645\u0648\u0632\u0627\u0646 \u0628\u0631\u0627\u06cc \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646 \u0648 \u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> mathStudents = (\n    {\n      <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">'Jane'<\/span>,\n      <span class=\"hljs-attr\">score<\/span>: <span class=\"hljs-number\">60<\/span>,\n      <span class=\"hljs-attr\">enrollmentYear<\/span>: <span class=\"hljs-number\">2019<\/span>\n    },\n    {\n      <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">'Emmy'<\/span>,\n      <span class=\"hljs-attr\">score<\/span>: <span class=\"hljs-number\">40<\/span>,\n      <span class=\"hljs-attr\">enrollmentYear<\/span>: <span class=\"hljs-number\">2020<\/span>\n    },\n    {\n      <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">'John'<\/span>,\n      <span class=\"hljs-attr\">score<\/span>: <span class=\"hljs-number\">43<\/span>,\n      <span class=\"hljs-attr\">enrollmentYear<\/span>: <span class=\"hljs-number\">2019<\/span>\n    },\n    {\n      <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">'Linda'<\/span>,\n      <span class=\"hljs-attr\">score<\/span>: <span class=\"hljs-number\">20<\/span>,\n      <span class=\"hljs-attr\">enrollmentYear<\/span>: <span class=\"hljs-number\">2019<\/span>\n    }\n)\n<\/code><\/pre>\n<p>\u062d\u0627\u0644\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u062f\u0627\u0646\u0634 \u0622\u0645\u0648\u0632\u0627\u0646 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u0645 \u0631\u0648\u06cc \u0633\u0627\u0644 \u0622\u0646\u0647\u0627 &#8211; \u0648 \u0641\u0642\u0637 \u0646\u0633\u0644 \u0642\u0628\u0644\u06cc \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f\u060c \u0648 \u0633\u067e\u0633 \u0646\u0645\u0631\u0627\u062a \u0622\u0646\u0647\u0627 \u0631\u0627 \u062a\u0631\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u062f\u060c<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0642\u0627\u0644\u0628\u06cc \u0642\u0627\u0628\u0644 \u062e\u0648\u0627\u0646\u062f\u0646 \u0628\u0631\u0627\u06cc \u0627\u0646\u0633\u0627\u0646\u060c \u0646\u0645\u0631\u0627\u062a \u0631\u0627 \u0628\u0647 \u0646\u0645\u0631\u0647 &#8220;\u06af\u0630\u0631&#8221;\/&#8221;\u0639\u062f\u0645 \u0642\u0628\u0648\u0644\u06cc&#8221; \u062a\u0631\u0633\u06cc\u0645 \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> passingStudents = mathStudents\n    .filter(<span class=\"hljs-function\">(<span class=\"hljs-params\">student<\/span>) =&gt;<\/span> student.enrollmentYear &lt; <span class=\"hljs-number\">2020<\/span>)\n    .map(<span class=\"hljs-function\">(<span class=\"hljs-params\">student<\/span>) =&gt;<\/span> {\n      <span class=\"hljs-keyword\">if<\/span> (student.score &gt; <span class=\"hljs-number\">40<\/span>) {\n        <span class=\"hljs-keyword\">return<\/span> student.name + <span class=\"hljs-string\">': passing'<\/span>\n      } <span class=\"hljs-keyword\">else<\/span> <span class=\"hljs-keyword\">return<\/span> student.name + <span class=\"hljs-string\">': not passing'<\/span>\n    });\n\n<span class=\"hljs-built_in\">console<\/span>.log(passingStudents); <span class=\"hljs-comment\">\/\/ (\"Jane: passing\",\"John: passing\",\"Linda: not passing\")<\/span>\n<\/code><\/pre>\n<h3 id=\"usingmapwithreverse\">\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 <em>\u0646\u0642\u0634\u0647 ()<\/em> \u0628\u0627 <em>\u0645\u0639\u06a9\u0648\u0633()<\/em><\/h3>\n<p>\u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0645\u0648\u0627\u0642\u0639\u06cc \u067e\u06cc\u0634 \u0622\u06cc\u062f \u06a9\u0647 \u0644\u0627\u0632\u0645 \u0628\u0627\u0634\u062f \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0642\u0628\u0644 \u06cc\u0627 \u0628\u0639\u062f \u0627\u0632 \u0627\u062c\u0631\u0627\u06cc \u0633\u0627\u06cc\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a \u0645\u0639\u06a9\u0648\u0633 \u06a9\u0646\u06cc\u062f.  \u0627\u06cc\u0646 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>reverse()<\/code> \u062a\u0627\u0628\u0639:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> numbers = (<span class=\"hljs-number\">21<\/span>, <span class=\"hljs-number\">32<\/span>, <span class=\"hljs-number\">43<\/span>, <span class=\"hljs-number\">54<\/span>, <span class=\"hljs-number\">65<\/span>);\n<span class=\"hljs-keyword\">const<\/span> newNumbers = numbers.map(<span class=\"hljs-function\">(<span class=\"hljs-params\">number<\/span>) =&gt;<\/span> number * <span class=\"hljs-number\">2<\/span>).reverse();\n  \n<span class=\"hljs-built_in\">console<\/span>.log(numbers); <span class=\"hljs-comment\">\/\/ (21,32,43,54,65)<\/span>\n<span class=\"hljs-built_in\">console<\/span>.log(newNumbers); <span class=\"hljs-comment\">\/\/ (130,108,86,64,42)<\/span>\n<\/code><\/pre>\n<p>\u0645\u0627 \u062f\u0631\u062c \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 <code>reverse()<\/code> \u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631 \u0627\u0646\u062a\u0647\u0627\u06cc \u062d\u0644\u0642\u0647 \u0628\u0647 \u06af\u0648\u0646\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0622\u0631\u0627\u06cc\u0647 \u062d\u0627\u0635\u0644 \u0631\u0627 \u0645\u0639\u06a9\u0648\u0633 \u0645\u06cc \u06a9\u0646\u062f.  \u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u0645 <code>reverse()<\/code> \u062a\u0645\u0627\u0633 \u0642\u0628\u0644 \u0627\u0632 <code>map()<\/code> \u062a\u0645\u0627\u0633 \u0628\u06af\u06cc\u0631\u06cc\u062f &#8211; \u0645\u0627 \u062f\u0631 \u0648\u0627\u0642\u0639 \u0622\u0646 \u0631\u0627 \u0645\u0639\u06a9\u0648\u0633 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <em>\u0627\u0635\u0644\u06cc<\/em> \u0622\u0631\u0627\u06cc\u0647\u060c \u0648 \u0646\u0642\u0634\u0647 \u0639\u0646\u0627\u0635\u0631 \u0622\u0646\u060c \u0628\u0647 \u062c\u0627\u06cc \u0645\u0639\u06a9\u0648\u0633 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u062d\u0627\u0635\u0644:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> numbers = (<span class=\"hljs-number\">21<\/span>, <span class=\"hljs-number\">32<\/span>, <span class=\"hljs-number\">43<\/span>, <span class=\"hljs-number\">54<\/span>, <span class=\"hljs-number\">65<\/span>);\n<span class=\"hljs-keyword\">const<\/span> newNumbers = numbers.reverse().map(<span class=\"hljs-function\">(<span class=\"hljs-params\">number<\/span>) =&gt;<\/span> number * <span class=\"hljs-number\">2<\/span>);\n  \n<span class=\"hljs-built_in\">console<\/span>.log(numbers); <span class=\"hljs-comment\">\/\/ (65,54,43,32,21)<\/span>\n<span class=\"hljs-built_in\">console<\/span>.log(newNumbers); <span class=\"hljs-comment\">\/\/ (130,108,86,64,42)<\/span>\n<\/code><\/pre>\n<h3 id=\"usingmaponanobject\">\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 <em>\u0646\u0642\u0634\u0647 ()<\/em> \u0631\u0648\u06cc  \u06cc\u06a9 \u0634\u06cc<\/h3>\n<p>\u0631\u0627 <code>map()<\/code> \u062a\u0627\u0628\u0639 \u0646\u06cc\u0632 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f \u0631\u0648\u06cc \u0627\u0634\u06cc\u0627\u0621 \u067e\u0633 \u0627\u0632 \u0628\u0647 \u062f\u0633\u062a \u0622\u0648\u0631\u062f\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631\u060c \u06a9\u0644\u06cc\u062f\u0647\u0627 \u06cc\u0627 \u062c\u0641\u062a \u06a9\u0644\u06cc\u062f-\u0645\u0642\u062f\u0627\u0631 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 Object (<code>Object.keys()<\/code>\u060c <code>Object.values()<\/code>\u060c \u0648 <code>Object.entries()<\/code>).  \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0627\u06cc\u0646 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u0634\u06cc \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c <code>map()<\/code> \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0628\u0647 \u0647\u0631 \u06cc\u06a9 \u0632\u0646\u062c\u06cc\u0631 \u0634\u0648\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> scores = { <span class=\"hljs-attr\">math<\/span>: <span class=\"hljs-number\">50<\/span>, <span class=\"hljs-attr\">English<\/span>: <span class=\"hljs-number\">70<\/span>, <span class=\"hljs-attr\">Physics<\/span>: <span class=\"hljs-number\">45<\/span>, <span class=\"hljs-attr\">Agric<\/span>: <span class=\"hljs-number\">60<\/span> };  \n<span class=\"hljs-keyword\">let<\/span> newScores = <span class=\"hljs-built_in\">Object<\/span>.values(scores).map(<span class=\"hljs-function\">(<span class=\"hljs-params\">score<\/span>) =&gt;<\/span> score + <span class=\"hljs-number\">5<\/span>);\n  \n<span class=\"hljs-built_in\">console<\/span>.log(newScores); <span class=\"hljs-comment\">\/\/ (55,75,50,65)<\/span>\n<\/code><\/pre>\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>\u062f\u0631 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u060c \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0622\u0646 \u0627\u0646\u062f\u0627\u062e\u062a\u0647 \u0627\u06cc\u0645 <code>map()<\/code> \u0631\u0648\u0634 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/p>\n<p>\u0627\u06cc\u0646 \u0631\u0648\u0634 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u0634\u0648\u062f\u060c \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062f\u0646\u0628\u0627\u0644\u0647 \u062c\u062f\u06cc\u062f \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.  \u0645\u0627 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0646\u062d\u0648\u060c \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627 \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc \u0627\u0646\u062f\u0627\u062e\u062a\u0647\u200c\u0627\u06cc\u0645.<\/p>\n<p>\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646 &#8211; \u0645\u0627 \u0631\u0627 \u0628\u0627 \u0647\u0645 \u0645\u0642\u0627\u06cc\u0633\u0647 \u06a9\u0631\u062f\u06cc\u0645 <code>map()<\/code> \u0631\u0648\u0634 \u0628\u0627 <code>forEach()<\/code> \u0631\u0648\u0634\u060c \u0648 \u06a9\u0634\u0641 \u06a9\u0631\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc \u0631\u0627 \u0628\u0647 \u0647\u0645 \u0628\u0632\u0646\u06cc\u0645 <code>map()<\/code> \u0628\u0627 <code>filter()<\/code>\u060c <code>reverse()<\/code> \u0648 \u0627\u0634\u06cc\u0627\u0621<\/p>\n<\/div>\n<p><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-11 13:44:03<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;15371&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;\u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0646\u0642\u0634\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a() Method\u062a\u06a9\u0631\u0627\u0631 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062f\u0646\u0628\u0627\u0644\u0647 \u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0648 \u0646\u0645\u0627\u06cc\u0634 \u0639\u0646\u0627\u0635\u0631 \u062f\u0646\u0628\u0627\u0644\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f - \u0627\u0645\u0627 \u0627\u063a\u0644\u0628 \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u06cc\u06a9 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f. \u0631\u0648\u06cc \u0647\u0631 \u06cc\u06a9 \u06cc\u0627 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631  \u062a\u0648\u062c\u0647: \u0627\u0639\u0645\u0627\u0644 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u06cc\u06a9 \u062f\u0646\u0628\u0627\u0644\u0647 \u0648 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0628\u0647 \u06cc\u06a9 ...&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\"> 6<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062f\u0646\u0628\u0627\u0644\u0647 \u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0648 \u0646\u0645\u0627\u06cc\u0634 \u0639\u0646\u0627\u0635\u0631 \u062f\u0646\u0628\u0627\u0644\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f &#8211; \u0627\u0645\u0627 \u0627\u063a\u0644\u0628 \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u06cc\u06a9 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f. \u0631\u0648\u06cc \u0647\u0631 \u06cc\u06a9 \u06cc\u0627 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f: \u0627\u0639\u0645\u0627\u0644 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u0627\u0632 \u06cc\u06a9 \u062f\u0646\u0628\u0627\u0644\u0647\u060c \u0648 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0628\u0647 \u06cc\u06a9 \u062f\u0646\u0628\u0627\u0644\u0647 \u062c\u062f\u06cc\u062f \u0628\u0647 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