{"id":15598,"date":"2024-01-14T11:24:07","date_gmt":"2024-01-14T07:54:07","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d8%b1%d9%88%d8%b4-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7\/"},"modified":"2024-01-14T11:24:07","modified_gmt":"2024-01-14T07:54:07","slug":"%d8%b1%d9%88%d8%b4-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7\/","title":{"rendered":"\u0631\u0648\u0634 \u067e\u06cc\u0648\u0633\u062a\u0646\/\u0628\u0647 \u0647\u0645 \u067e\u06cc\u0648\u0633\u062a\u0646 \u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062aStrings \u06cc\u06a9\u06cc \u0627\u0632 \u0631\u0627\u06cc\u062c \u062a\u0631\u06cc\u0646 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0627\u0633\u062a &#8211; \u0622\u0646\u0647\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0645\u0627 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u0645\u0627\u062a \u062a\u062c\u0632\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645.  \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \u06cc\u06a9 \u06a9\u0627\u0631 \u06a9\u0627\u0645\u0644\u0627\u064b \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u0633\u062a\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u06a9\u0647 \u0645\u0627 \u0647\u0645\u06cc\u0634\u0647 \u0628\u0627 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u062b\u0627\u0628\u062a \u0633\u0631\u0648\u06a9\u0627\u0631 \u0646\u062f\u0627\u0631\u06cc\u0645.  \u0645\u0627 \u0627\u063a\u0644\u0628 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u0648\u06cc\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0645\u0627\u0646\u0646\u062f \u0627\u0644\u06af\u0648\u0647\u0627\u06cc ES6 \u06cc\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\/%d8%b1%d9%88%d8%b4-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7\/#%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\/%d8%b1%d9%88%d8%b4-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7\/#%d8%a8%d8%a7_%d8%a7%d9%be%d8%b1%d8%a7%d8%aa%d9%88%d8%b1_%d8%a7%d9%84%d8%ad%d8%a7%d9%82_%da%a9%d9%86%db%8c%d8%af\" >\u0628\u0627 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 + \u0627\u0644\u062d\u0627\u0642 \u06a9\u0646\u06cc\u062f<\/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\/%d8%b1%d9%88%d8%b4-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7\/#stringprototypeconcat\" >String.prototype.concat()<\/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\/%d8%b1%d9%88%d8%b4-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7\/#arrayprototypejoin\" >Array.prototype.join()<\/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\/%d8%b1%d9%88%d8%b4-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7\/#%d8%a7%d8%b2_%da%a9%d8%af%d8%a7%d9%85_%d8%b1%d9%88%db%8c%da%a9%d8%b1%d8%af_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%da%a9%d9%86%db%8c%d9%85%d8%9f\" >\u0627\u0632 \u06a9\u062f\u0627\u0645 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/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\/%d8%b1%d9%88%d8%b4-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7\/#%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\"> 4<\/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>\u0631\u0634\u062a\u0647 \u0647\u0627 \u06cc\u06a9\u06cc \u0627\u0632 \u0631\u0627\u06cc\u062c \u062a\u0631\u06cc\u0646 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0647\u0633\u062a\u0646\u062f &#8211; \u0622\u0646\u0647\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0645\u0627 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u0645\u0627\u062a \u062a\u062c\u0632\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \u06cc\u06a9 \u06a9\u0627\u0631 \u06a9\u0627\u0645\u0644\u0627\u064b \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u0633\u062a\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u06a9\u0647 \u0645\u0627 \u0647\u0645\u06cc\u0634\u0647 \u0628\u0627 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u062b\u0627\u0628\u062a \u0633\u0631\u0648\u06a9\u0627\u0631 \u0646\u062f\u0627\u0631\u06cc\u0645.  \u0645\u0627 \u0627\u063a\u0644\u0628 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u0648\u06cc\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0645\u0627\u0646\u0646\u062f \u0627\u0644\u06af\u0648\u0647\u0627\u06cc ES6\u060c \u06cc\u0627 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0631\u0634\u062a\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0647\u0645 \u0645\u062a\u0635\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u062a\u0627 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645.<\/p>\n<blockquote>\n<p>\u0627\u06af\u0631 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0631\u0628\u0627\u0631\u0647 \u0627\u06cc\u062c\u0627\u062f \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u06cc \u0642\u0627\u0644\u0628\u200c\u0628\u0646\u062f\u06cc \u0634\u062f\u0647 \u067e\u0648\u06cc\u0627 \u0628\u06cc\u0634\u062a\u0631 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f &#8211; \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u0644\u06af\u0648\u0647\u0627\u06cc ES6\/String Literals \u0631\u0627 \u062f\u0631 Node.js \u0628\u062e\u0648\u0627\u0646\u06cc\u062f!<\/p>\n<\/blockquote>\n<p><em>\u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u0631\u0648\u0634 \u067e\u06cc\u0648\u0633\u062a\u0646\/\u0627\u0644\u062d\u0627\u0642\/\u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \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.<\/em><\/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> \u0631\u0634\u062a\u0647 \u0647\u0627 \u0647\u0633\u062a\u0646\u062f <strong>\u062a\u063a\u06cc\u06cc\u0631\u0646\u0627\u067e\u0630\u06cc\u0631<\/strong>\u060c \u06cc\u0639\u0646\u06cc \u0648\u0627\u0642\u0639\u0627 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646 \u0622\u0646\u0647\u0627 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0627\u062f.  \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u0628\u0627 \u06cc\u06a9 \u0639\u0645\u0644\u06cc\u0627\u062a \u062a\u063a\u06cc\u06cc\u0631 \u062a\u0645\u0627\u0633 \u0645\u06cc \u06af\u06cc\u0631\u06cc\u062f \u0631\u0648\u06cc \u06cc\u06a9 \u0631\u0634\u062a\u0647\u060c \u06cc\u06a9 \u06a9\u067e\u06cc \u0628\u0627 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0627\u0639\u0645\u0627\u0644 \u0634\u062f\u0647 \u0633\u0627\u062e\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0628\u0647 \u062c\u0627\u06cc \u0646\u0633\u062e\u0647 \u0627\u0635\u0644\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<\/p><\/div><\/div><\/div>\n<h2 id=\"concatenatewiththeoperator\"><span class=\"ez-toc-section\" id=\"%d8%a8%d8%a7_%d8%a7%d9%be%d8%b1%d8%a7%d8%aa%d9%88%d8%b1_%d8%a7%d9%84%d8%ad%d8%a7%d9%82_%da%a9%d9%86%db%8c%d8%af\"><\/span>\u0628\u0627 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 + \u0627\u0644\u062d\u0627\u0642 \u06a9\u0646\u06cc\u062f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0633\u0627\u062f\u0647\u200c\u062a\u0631\u06cc\u0646 \u0648 \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b \u0634\u0647\u0648\u062f\u06cc\u200c\u062a\u0631\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0628\u0631\u0627\u06cc \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a <code>+<\/code> \u0627\u067e\u0631\u0627\u062a\u0648\u0631:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"hello \"<\/span> + <span class=\"hljs-string\">\"world\"<\/span>);\n<\/code><\/pre>\n<p>\u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u062f \u06a9\u0648\u062a\u0627\u0647 \u0628\u0647 \u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u0645\u06cc \u0631\u0633\u062f:<\/p>\n<pre><code class=\"hljs\">hello world\n<\/code><\/pre>\n<p>\u0645\u06cc \u062a\u0648\u0627\u0646 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0645\u0631\u062c\u0639 \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f \u0648 \u0628\u0647 \u062c\u0627\u06cc \u0627\u0644\u062d\u0627\u0642 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u0634\u06cc\u060c \u0628\u0647 \u0622\u0646 \u0627\u0634\u0627\u0631\u0647 \u06a9\u0631\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> firstWord = <span class=\"hljs-string\">\"hello \"<\/span>;\n<span class=\"hljs-keyword\">let<\/span> secondWord = <span class=\"hljs-string\">\"world\"<\/span>;\n<span class=\"hljs-keyword\">let<\/span> newWord = firstWord + secondWord;\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u06cc\u0632 \u0645\u0646\u062c\u0631 \u0628\u0647:<\/p>\n<pre><code class=\"hljs\">hello world\n<\/code><\/pre>\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> \u062f\u0631 \u0627\u06a9\u062b\u0631 \u0645\u0648\u0627\u0631\u062f\u060c \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u0637\u0648\u0631 \u0645\u0646\u0637\u0642\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 a <code>=<\/code> \u0648 <code>+<\/code> \u0628\u0627 \u06a9\u0648\u062a\u0627\u0647 \u0646\u0648\u06cc\u0633\u06cc <code>+=<\/code>\u060c \u06a9\u0647 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f <strong>\u0627\u0631\u062c\u0627\u0639 \u0628\u0647 \u0639\u0645\u0644\u0648\u0646\u062f \u0627\u0648\u0644<\/strong>\u060c \u06a9\u0647 \u0628\u0627 \u0645\u062a\u063a\u06cc\u0631\u06cc \u06a9\u0647 \u0646\u062a\u06cc\u062c\u0647 \u0631\u0627 \u0628\u0647 \u0622\u0646 \u0627\u062e\u062a\u0635\u0627\u0635 \u0645\u06cc \u062f\u0647\u06cc\u062f \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u062f\u0631 \u0639\u0648\u0636\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0646\u0633\u062e\u0647 \u06a9\u0648\u062a\u0627\u0647 \u0631\u0627 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> word = <span class=\"hljs-string\">\"hello \"<\/span>;\nword += <span class=\"hljs-string\">\"world\"<\/span>;\n<span class=\"hljs-built_in\">console<\/span>.log(word);\n<\/code><\/pre>\n<p>\u0634\u0627\u06cc\u0627\u0646 \u0630\u06a9\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0631\u0627 \u0646\u06cc\u0632 \u0645\u06cc \u062a\u0648\u0627\u0646 \u062f\u0631 \u062a\u0631\u06a9\u06cc\u0628 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u060c \u0648 \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0636\u0645\u0646\u06cc \u0627\u0645\u06a9\u0627\u0646 \u067e\u0630\u06cc\u0631 \u0628\u0627\u0634\u062f &#8211; \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0631\u0634\u062a\u0647 \u0647\u0627 &#8220;\u062a\u0637\u0628\u06cc\u0642&#8221; \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0639\u062f\u0627\u062f \u0635\u062d\u06cc\u062d \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0628\u0647 \u0631\u0634\u062a\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u0634\u0648\u0646\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0627\u06af\u0631 \u0633\u0639\u06cc \u06a9\u0646\u06cc\u062f \u06cc\u06a9 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u062a\u0635\u0644 \u06a9\u0646\u06cc\u062f &#8211; \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0642\u0628\u0644 \u0627\u0632 \u0627\u0644\u062d\u0627\u0642 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u0634\u0648\u062f.  \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 \u06cc\u06a9 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u062a\u0628\u062f\u06cc\u0644 \u0646\u0634\u0648\u062f &#8211; \u0645\u0627\u0646\u0646\u062f \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u06cc\u06a9 \u0639\u062f\u062f \u0631\u0627 \u0646\u0634\u0627\u0646 \u0646\u0645\u06cc \u062f\u0647\u062f \u06cc\u0627 \u062f\u0627\u0631\u0627\u06cc \u0642\u0627\u0644\u0628 \u0628\u0646\u062f\u06cc \u0641\u0631\u062f \u0627\u0633\u062a\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc\u060c \u062a\u0628\u062f\u06cc\u0644 \u0622\u0646 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a. <em>\u0628\u0647<\/em> \u06cc\u06a9 \u0631\u0634\u062a\u0647\u060c \u0627\u0632 <em>\u0627\u0632 \u062c\u0627\u0646\u0628<\/em> \u06cc\u06a9 \u0631\u0634\u062a\u0647:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">var<\/span> str = <span class=\"hljs-string\">\"hello\"<\/span>;\n<span class=\"hljs-keyword\">var<\/span> int = <span class=\"hljs-number\">21<\/span>;\n<span class=\"hljs-keyword\">var<\/span> boolean = <span class=\"hljs-literal\">true<\/span>;\n\n<span class=\"hljs-built_in\">console<\/span>.log(str+int);\n<span class=\"hljs-built_in\">console<\/span>.log(str+boolean)\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0628\u0627\u0639\u062b \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0647\u0631 \u062f\u0648 \u0639\u062f\u062f \u0628\u0648\u0644\u06cc \u0648 \u0635\u062d\u06cc\u062d \u0628\u0647 \u0646\u0645\u0627\u06cc\u0634 \u0647\u0627\u06cc \u0631\u0634\u062a\u0647 \u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0634\u0648\u0646\u062f \u0648 \u0633\u067e\u0633 \u0628\u0647 \u0631\u0634\u062a\u0647 &#8220;hello&#8221; \u0627\u0636\u0627\u0641\u0647 \u0634\u0648\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">hello21\nhellotrue\n<\/code><\/pre>\n<h2 id=\"stringprototypeconcat\"><span class=\"ez-toc-section\" id=\"stringprototypeconcat\"><\/span>String.prototype.concat()<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 <code>concat()<\/code> \u0631\u0648\u0634 \u0628\u0647 \u0637\u0648\u0631 \u062e\u0627\u0635 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0627\u0633\u062a &#8211; \u0628\u0647 <em>\u0628\u0647 \u0647\u0645 \u067e\u06cc\u0648\u0633\u062a\u0646<\/em> \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc.  \u0645\u06cc \u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u0631\u0648\u06cc \u0647\u0631 \u0631\u0634\u062a\u0647 \u0627\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0631\u062f \u0648 \u0631\u0634\u062a\u0647 \u062f\u06cc\u06af\u0631\u06cc \u0631\u0627 \u0645\u06cc \u067e\u0630\u06cc\u0631\u062f \u062a\u0627 \u0628\u0647 \u0631\u0634\u062a\u0647 \u0641\u0631\u0627\u062e\u0648\u0627\u0646 \u0627\u0644\u062d\u0627\u0642 \u0634\u0648\u062f.<\/p>\n<p>\u0628\u0647 \u06cc\u06a9 \u0645\u0639\u0646\u0627\u060c \u0634\u0628\u06cc\u0647 \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a \u06a9\u0648\u062a\u0627\u0647 \u0627\u0633\u062a <code>+=<\/code> \u0627\u067e\u0631\u0627\u062a\u0648\u0631:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> string1 = <span class=\"hljs-string\">\"Java\"<\/span>;\n<span class=\"hljs-keyword\">let<\/span> string2 = <span class=\"hljs-string\">\"Script\"<\/span>;\n\n<span class=\"hljs-built_in\">console<\/span>.log(string1.concat(string2));\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">JavaScript\n<\/code><\/pre>\n<p>\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0627\u0648\u0644\u06cc\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062a\u0639\u06cc\u06cc\u0646 \u06a9\u0646\u06cc\u062f\u060c \u06a9\u0647 \u0633\u067e\u0633 \u0628\u06cc\u0646 \u062a\u0645\u0627\u0645 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u067e\u06cc\u0648\u0633\u062a\u0647 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> string1 = <span class=\"hljs-string\">\"Java\"<\/span>;\n<span class=\"hljs-keyword\">let<\/span> string2 = <span class=\"hljs-string\">\"Script\"<\/span>;\n\n<span class=\"hljs-built_in\">console<\/span>.log(string1.concat(<span class=\"hljs-string\">\", \"<\/span>, string2));\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">Java, Script\n<\/code><\/pre>\n<h2 id=\"arrayprototypejoin\"><span class=\"ez-toc-section\" id=\"arrayprototypejoin\"><\/span>Array.prototype.join()<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 <code>join()<\/code> \u0631\u0648\u0634 \u0627\u0632 <code>Array<\/code> \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u067e\u06cc\u0648\u0633\u062a\u0646 \u0639\u0646\u0627\u0635\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647\u060c \u0628\u0627 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u06cc\u06a9 \u06a9\u0627\u0645\u0627 (<code>,<\/code>).<\/p>\n<p>\u0627\u06cc\u0646 \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0628\u0627 \u062a\u0639\u062f\u0627\u062f \u0628\u06cc\u0634\u062a\u0631\u06cc \u0627\u0632 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0628\u0647 \u0631\u0648\u0634\u06cc \u0628\u0633\u06cc\u0627\u0631 \u0645\u062e\u062a\u0635\u0631\u062a\u0631 \u0628\u0631\u062e\u0648\u0631\u062f \u06a9\u0646\u06cc\u0645\u060c \u0648 \u062e\u0648\u0627\u0646\u062f\u0646 \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647\u060c \u06cc\u0627 \u06a9\u0627\u0631 \u0628\u0627 \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u0627\u0632 \u0631\u0634\u062a\u0647 \u0647\u0627 \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u062f\u060c \u0628\u06cc \u0633\u0627\u0628\u0642\u0647 \u0646\u06cc\u0633\u062a.<\/p>\n<p>\u0627\u06af\u0631 \u0647\u06cc\u0686 \u0622\u0631\u06af\u0648\u0645\u0627\u0646\u06cc \u0631\u0627 \u0628\u0647 \u0645\u062a\u062f \u0648\u0627\u0631\u062f \u0646\u06a9\u0646\u06cc\u062f &#8211; \u0627\u0632 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0628\u0631\u0627\u06cc \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u06cc \u0628\u0647\u200c\u062a\u0627\u0632\u06af\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0632 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062e\u0627\u0644\u06cc \u0639\u0628\u0648\u0631 \u06a9\u0646\u06cc\u0645 \u062a\u0627 \u0627\u0632 \u0622\u0646 \u0628\u06af\u0630\u0631\u06cc\u0645 \u0648 \u0645\u0627\u0646\u0646\u062f \u0622\u0646\u0686\u0647 \u0642\u0628\u0644\u0627 \u062f\u06cc\u062f\u0647\u200c\u0627\u06cc\u0645 \u0628\u0647 \u0622\u0646\u0647\u0627 \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> elements = (<span class=\"hljs-string\">\"JavaScript\"<\/span>, <span class=\"hljs-string\">\"HTML\"<\/span>, <span class=\"hljs-string\">\"CSS\"<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.log(elements.join(<span class=\"hljs-string\">\"\"<\/span>));\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">JavaScriptHTMLCSS\n<\/code><\/pre>\n<h2 id=\"whichapproachtouse\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%b2_%da%a9%d8%af%d8%a7%d9%85_%d8%b1%d9%88%db%8c%da%a9%d8%b1%d8%af_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%da%a9%d9%86%db%8c%d9%85%d8%9f\"><\/span>\u0627\u0632 \u06a9\u062f\u0627\u0645 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062a\u0648\u0635\u06cc\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a <strong>\u0628\u0631\u0627\u06cc \u062a\u0631\u062c\u06cc\u062d \u062f\u0627\u062f\u0646 <code>concat()<\/code> \u0628\u0647 \u062c\u0627\u06cc \u0639\u0645\u0644\u06af\u0631 + \u062a\u0627\u0628\u0639<\/strong>\u060c \u0628\u0647 \u062f\u0644\u06cc\u0644 \u0645\u0632\u0627\u06cc\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0627\u06cc\u0646 \u062f\u0631 \u0648\u0627\u0642\u0639 \u0647\u0645\u06cc\u0634\u0647 \u0628\u0631\u0642\u0631\u0627\u0631 \u0646\u06cc\u0633\u062a \u0648 \u0686\u0646\u062f\u06cc\u0646 \u0641\u0631\u0636 \u0631\u0627 \u062f\u0631 \u0630\u0647\u0646 \u062f\u0627\u0631\u062f.<\/p>\n<p>\u0627\u0648\u0644 \u0627\u0632 \u0647\u0645\u0647 &#8211; \u062a\u0639\u062f\u0627\u062f \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0647 \u0647\u0645 \u0645\u062a\u0635\u0644 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u062f\u0631 \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0646\u0642\u0634 \u062f\u0627\u0631\u062f\u060c \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0639\u0648\u0627\u0645\u0644 \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062d\u062a\u06cc \u0627\u0632 \u0622\u0646\u0647\u0627 \u0622\u06af\u0627\u0647 \u0646\u0628\u0627\u0634\u06cc\u062f.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0645\u062d\u06a9 \u0628\u0632\u0646\u06cc\u0645 <code>concat()<\/code> \u0631\u0648\u0634 \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 <code>+<\/code> \u0627\u067e\u0631\u0627\u062a\u0648\u0631:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">console<\/span>.time(<span class=\"hljs-string\">'Concatenating with Operator'<\/span>);\nconcatWithOperator();\n<span class=\"hljs-built_in\">console<\/span>.timeEnd(<span class=\"hljs-string\">'Concatenating with Operator'<\/span>);\n\n<span class=\"hljs-built_in\">console<\/span>.time(<span class=\"hljs-string\">'Concatenating with Function'<\/span>);\nconcatWithFunction();\n<span class=\"hljs-built_in\">console<\/span>.timeEnd(<span class=\"hljs-string\">'Concatenating with Function'<\/span>);\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">concatWithOperator<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n    <span class=\"hljs-keyword\">let<\/span> result = <span class=\"hljs-string\">\"\"<\/span>;\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">10000<\/span>; i++) {\n      result += i;\n    }\n}\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">concatWithFunction<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n    <span class=\"hljs-keyword\">let<\/span> result = <span class=\"hljs-string\">\"\"<\/span>;\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">10000<\/span>; i++) {\n      result = result.concat(i);\n    }\n}\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">Concatenating with Operator: 3.232ms\nConcatenating with Function: 1.509ms\n<\/code><\/pre>\n<p>\u0627\u0645\u0627 \u0635\u0628\u0631 \u06a9\u0646\u06cc\u062f\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0645\u062d\u06cc\u0637 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u0645 \u0648 \u0627\u06cc\u0646 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645 \u0631\u0648\u06cc \u06cc\u06a9 \u0645\u0627\u0634\u06cc\u0646 \u0645\u062a\u0641\u0627\u0648\u062a:<\/p>\n<pre><code class=\"hljs\">Concatenating with Operator: 1.985ms\nConcatenating with Function: 1.990ms\n<\/code><\/pre>\n<p>\u0648 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645 \u0631\u0648\u06cc \u0631\u0627 <em>\u06cc\u06a9\u0633\u0627\u0646<\/em> \u062f\u0648\u0628\u0627\u0631\u0647 \u0645\u0627\u0634\u06cc\u0646:<\/p>\n<pre><code class=\"hljs\">Concatenating with Operator: 2.030ms\nConcatenating with Function: 0.934ms\n<\/code><\/pre>\n<p>\u0632\u0645\u0627\u0646 \u0647\u0627\u06cc \u0627\u062c\u0631\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0633\u062a (\u0627\u06af\u0631\u0686\u0647\u060c \u0647\u0645\u0647 \u0622\u0646\u0647\u0627 \u0627\u0632 \u0646\u0638\u0631 \u0633\u0631\u0639\u062a \u0642\u0627\u0628\u0644 \u0642\u0628\u0648\u0644 \u0647\u0633\u062a\u0646\u062f).  \u0647\u0645\u0686\u0646\u06cc\u0646 \u0634\u0627\u06cc\u0627\u0646 \u0630\u06a9\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0628\u06cc\u0627\u0646\u06cc\u0647 \u0631\u0633\u0645\u06cc \u0627\u0632 <a target=\"_blank\" rel=\"nofollow noopener noreferrer\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/String\/concat\">MDN<\/a>\u060c \u062f\u0631 \u0645\u0648\u0631\u062f \u0645\u0632\u0627\u06cc\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f:<\/p>\n<blockquote>\n<p>\u0627\u06a9\u06cc\u062f\u0627\u064b \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc \u0627\u0646\u062a\u0633\u0627\u0628 (+\u060c +=) \u0628\u0647 \u062c\u0627\u06cc \u0645\u062a\u062f ()concat \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f.<\/p>\n<\/blockquote>\n<p>\u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0627\u06cc\u0646 \u0648\u0627\u0642\u0639\u06cc\u062a \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0639\u062c\u06cc\u0628 \u0628\u0647 \u0646\u0638\u0631 \u0628\u0631\u0633\u062f <code>concat()<\/code> \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0647\u062a\u0631\u06cc \u0646\u0633\u0628\u062a \u0628\u0647 \u0627\u067e\u0631\u0627\u062a\u0648\u0631\u0647\u0627 \u062f\u0631 \u062a\u0633\u062a \u0647\u0627 \u062f\u0627\u0631\u062f \u06cc\u0627 \u062f\u0631 \u0628\u062f\u062a\u0631\u06cc\u0646 \u062d\u0627\u0644\u062a \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a <em>\u06cc\u06a9\u0633\u0627\u0646<\/em> \u0633\u0631\u0639\u062a.  \u0686\u0647 \u0686\u06cc\u0632\u06cc \u0645\u06cc \u062f\u0647\u062f\u061f  \u062e\u0648\u0628\u060c \u0645\u062d\u06a9 \u0632\u062f\u0646 \u06a9\u062f\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646 \u0628\u0647 \u0622\u0633\u0627\u0646\u06cc \u0627\u062c\u0631\u0627\u06cc \u0622\u0646 \u0648 \u0645\u0634\u0627\u0647\u062f\u0647 \u0646\u062a\u0627\u06cc\u062c \u0646\u06cc\u0633\u062a.<\/p>\n<p>\u0645\u0631\u0648\u0631\u06af\u0631 \u0634\u0645\u0627\u060c \u0646\u0633\u062e\u0647 \u0622\u0646\u060c \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0647\u06cc\u0646\u0647\u200c\u0633\u0627\u0632\u06cc\u200c\u0627\u06cc \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u0632 \u0645\u0627\u0634\u06cc\u0646\u06cc \u0628\u0647 \u0645\u0627\u0634\u06cc\u0646 \u062f\u06cc\u06af\u0631 \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0627\u0634\u062f\u060c \u0648 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0622\u0646\u200c\u0647\u0627 \u0648\u0627\u0642\u0639\u0627 \u0628\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f \u062a\u0627\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u0646\u062f.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0645\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 <strong>\u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641<\/strong> \u062f\u0631 \u0627\u0644\u062d\u0627\u0642\u060c \u0622\u0646\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0632 \u062a\u06a9\u0631\u0627\u0631 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u0634\u0648\u0646\u062f.  \u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u0627\u0632 \u0647\u0645\u0627\u0646 \u0631\u0634\u062a\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u060c \u06cc\u06a9 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632 \u0645\u0627\u0646\u0646\u062f V8 \u06af\u0648\u06af\u0644\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u06cc\u0634\u062a\u0631 \u0628\u0647\u06cc\u0646\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/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>\u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u062a\u0633\u062a \u0648 \u062a\u0627\u06cc\u06cc\u062f \u06a9\u0646\u06cc\u062f<\/strong> \u0628\u0647\u200c\u062c\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u062a\u0648\u0635\u06cc\u0647\u200c\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0648\u0627\u0642\u0639\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f.  \u0647\u0645\u0647 \u0645\u0627\u0634\u06cc\u0646\u200c\u0647\u0627 \u0648 \u0645\u062d\u06cc\u0637\u200c\u0647\u0627 \u06cc\u06a9\u0633\u0627\u0646 \u0646\u06cc\u0633\u062a\u0646\u062f \u0648 \u0686\u0647 \u0686\u06cc\u0632\u06cc \u0639\u0627\u0644\u06cc \u0639\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0631\u0648\u06cc \u06cc\u06a9\u06cc\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0639\u0627\u0644\u06cc \u06a9\u0627\u0631 \u0646\u06a9\u0646\u062f \u0631\u0648\u06cc \u06cc\u06a9\u06cc \u062f\u06cc\u06af\u0631.  \u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0627\u06cc\u062c\u0627\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627 \u0646\u06cc\u0632 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f.<\/p>\n<\/p><\/div><\/div><\/div>\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>\u0645\u0627 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0631\u0648\u0634 \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0627\u0646\u062f\u0627\u062e\u062a\u0647 \u0627\u06cc\u0645 <code>+<\/code> \u0627\u067e\u0631\u0627\u062a\u0648\u0631\u060c <code>join()<\/code> \u0631\u0648\u0634 \u0627\u0632 <code>Arrays<\/code> \u06a9\u0644\u0627\u0633 \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 <code>concat()<\/code> \u0631\u0648\u0634 \u0627\u0632 <code>String<\/code> \u06a9\u0644\u0627\u0633<\/p>\n<p>\u0645\u0627 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0645\u0648\u0636\u0639 \u0631\u0633\u0645\u06cc \u0627\u0646\u062f\u0627\u062e\u062a\u0647\u200c\u0627\u06cc\u0645 \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634\u200c\u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc\u0645 \u062a\u0627 \u0628\u0628\u06cc\u0646\u06cc\u0645 \u06a9\u062f\u0627\u0645 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0645\u0624\u062b\u0631\u062a\u0631 \u0627\u0633\u062a &#8211; \u0648 \u0637\u0628\u0642 \u0645\u0639\u0645\u0648\u0644\u060c \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f \u0631\u0648\u06cc \u0639\u0648\u0627\u0645\u0644 \u0645\u062e\u062a\u0644\u0641<\/p>\n<\/div>\n<p><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-14 11:24:03<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;15598&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\u0648\u0634 \u067e\u06cc\u0648\u0633\u062a\u0646\\\/\u0628\u0647 \u0647\u0645 \u067e\u06cc\u0648\u0633\u062a\u0646 \u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062aStrings \u06cc\u06a9\u06cc \u0627\u0632 \u0631\u0627\u06cc\u062c \u062a\u0631\u06cc\u0646 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0627\u0633\u062a - \u0622\u0646\u0647\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0645\u0627 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u0645\u0627\u062a \u062a\u062c\u0632\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645.  \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \u06cc\u06a9 \u06a9\u0627\u0631 \u06a9\u0627\u0645\u0644\u0627\u064b \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u0633\u062a\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u06a9\u0647 \u0645\u0627 \u0647\u0645\u06cc\u0634\u0647 \u0628\u0627 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u062b\u0627\u0628\u062a \u0633\u0631\u0648\u06a9\u0627\u0631 \u0646\u062f\u0627\u0631\u06cc\u0645.  \u0645\u0627 \u0627\u063a\u0644\u0628 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u0648\u06cc\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0645\u0627\u0646\u0646\u062f \u0627\u0644\u06af\u0648\u0647\u0627\u06cc ES6 \u06cc\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\"> 4<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc \u0631\u0634\u062a\u0647 \u0647\u0627 \u06cc\u06a9\u06cc \u0627\u0632 \u0631\u0627\u06cc\u062c \u062a\u0631\u06cc\u0646 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0647\u0633\u062a\u0646\u062f &#8211; \u0622\u0646\u0647\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0645\u0627 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u0645\u0627\u062a \u062a\u062c\u0632\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \u06cc\u06a9 \u06a9\u0627\u0631 \u06a9\u0627\u0645\u0644\u0627\u064b \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u0633\u062a\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u06a9\u0647 \u0645\u0627 \u0647\u0645\u06cc\u0634\u0647 \u0628\u0627 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u062b\u0627\u0628\u062a \u0633\u0631\u0648\u06a9\u0627\u0631 \u0646\u062f\u0627\u0631\u06cc\u0645. \u0645\u0627 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":9056,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1772,620],"tags":[1823,1844,2341,2103,1776,1811,3264,1786,4092,2422,2091,4087,2329,1967,2844,1936,1779,1965,1807,3540,3697,4091,2361,4014,2164,1780,1103,2186,1796,2750,2171,1803,1973,2285,2123,2342,1798,3515,1808,1956,3386,4093,3988,1788,1795,1969,1979,1783,1790,4094,3300,3466,1966,1765,2250,1785,1978,2366,3696,2273,1831,1813,2364],"class_list":["post-15598","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript","category-programming","tag-es6","tag-1844","tag-2341","tag-2103","tag-1776","tag-1811","tag-3264","tag-1786","tag-strings","tag-2422","tag-2091","tag-4087","tag-2329","tag----nodejs","tag-2844","tag-1936","tag-1779","tag-1965","tag-1807","tag-3540","tag-3697","tag-4091","tag-2361","tag-4014","tag-2164","tag-1780","tag-1103","tag-2186","tag-1796","tag-2750","tag-2171","tag-1803","tag-1973","tag-2285","tag-2123","tag-2342","tag-1798","tag-3515","tag-1808","tag-1956","tag-3386","tag-4093","tag-3988","tag-1788","tag-1795","tag-1969","tag-1979","tag-1783","tag-1790","tag-4094","tag-3300","tag-3466","tag--javascrip","tag-1765","tag--nodejs","tag-1785","tag-1978","tag-2366","tag-3696","tag-2273","tag-1831","tag-1813","tag-2364"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/15598","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=15598"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/15598\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media\/9056"}],"wp:attachment":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media?parent=15598"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=15598"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=15598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}