{"id":15206,"date":"2024-01-09T17:36:06","date_gmt":"2024-01-09T14:06:06","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%a8%d8%b1%d8%b1%d8%b3%db%8c-%da%a9%d9%86%db%8c%d8%af-%da%a9%d9%87-%d8%a2%db%8c%d8%a7-%d9%85%d8%aa%d8%ba%db%8c%d8%b1-%d8%b1%d8%b4\/"},"modified":"2024-01-09T17:36:06","modified_gmt":"2024-01-09T14:06:06","slug":"%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%a8%d8%b1%d8%b1%d8%b3%db%8c-%da%a9%d9%86%db%8c%d8%af-%da%a9%d9%87-%d8%a2%db%8c%d8%a7-%d9%85%d8%aa%d8%ba%db%8c%d8%b1-%d8%b1%d8%b4","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%a8%d8%b1%d8%b1%d8%b3%db%8c-%da%a9%d9%86%db%8c%d8%af-%da%a9%d9%87-%d8%a2%db%8c%d8%a7-%d9%85%d8%aa%d8%ba%db%8c%d8%b1-%d8%b1%d8%b4\/","title":{"rendered":"\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a: \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0645\u062a\u063a\u06cc\u0631 \u0631\u0634\u062a\u0647 \u0627\u06cc \u0627\u0633\u062a \u06cc\u0627 \u0646\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0632 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0645\u0627\u0646\u0646\u062f \u0631\u0634\u062a\u0647 \u0647\u0627\u060c \u0627\u0639\u062f\u0627\u062f\u060c \u0634\u0646\u0627\u0648\u0631\u0647\u0627 \u0648 \u063a\u06cc\u0631\u0647 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u062f.  \u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644\u060c \u0634\u0645\u0627 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0627 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0646 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u062f\u0631 \u06af\u06cc\u0648\u0645\u0647 \u0647\u0627\u06cc \u062f\u0648\u062a\u0627\u06cc\u06cc \u06cc\u0627 \u062a\u06a9\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f.  \u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0633\u0627\u0632\u0646\u062f\u0647 String() \u062c\u062f\u06cc\u062f \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0628\u0633\u0627\u0632\u06cc\u062f:&#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%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%a8%d8%b1%d8%b1%d8%b3%db%8c-%da%a9%d9%86%db%8c%d8%af-%da%a9%d9%87-%d8%a2%db%8c%d8%a7-%d9%85%d8%aa%d8%ba%db%8c%d8%b1-%d8%b1%d8%b4\/#%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%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%a8%d8%b1%d8%b1%d8%b3%db%8c-%da%a9%d9%86%db%8c%d8%af-%da%a9%d9%87-%d8%a2%db%8c%d8%a7-%d9%85%d8%aa%d8%ba%db%8c%d8%b1-%d8%b1%d8%b4\/#%d8%b1%d8%a7%d9%87_%d8%ad%d9%84_%d8%a7%d8%b3%d8%aa%d8%a7%d9%86%d8%af%d8%a7%d8%b1%d8%af_%e2%80%93_%d8%a8%d8%a7_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d9%86%d9%88%d8%b9%db%8c_%d8%a7%d8%b2_%d8%a7%d9%be%d8%b1%d8%a7%d8%aa%d9%88%d8%b1\" >\u0631\u0627\u0647 \u062d\u0644 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f &#8211; \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0648\u0639\u06cc \u0627\u0632 \u0627\u067e\u0631\u0627\u062a\u0648\u0631<\/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%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%a8%d8%b1%d8%b1%d8%b3%db%8c-%da%a9%d9%86%db%8c%d8%af-%da%a9%d9%87-%d8%a2%db%8c%d8%a7-%d9%85%d8%aa%d8%ba%db%8c%d8%b1-%d8%b1%d8%b4\/#%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%da%a9%d8%b1%d8%af%d9%86_%d9%84%d9%88%d8%af%d8%a7%d8%b4_%da%a9%d8%aa%d8%a7%d8%a8%d8%ae%d8%a7%d9%86%d9%87\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0644\u0648\u062f\u0627\u0634 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%a8%d8%b1%d8%b1%d8%b3%db%8c-%da%a9%d9%86%db%8c%d8%af-%da%a9%d9%87-%d8%a2%db%8c%d8%a7-%d9%85%d8%aa%d8%ba%db%8c%d8%b1-%d8%b1%d8%b4\/#%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\"> 2<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span><p> <br \/>\n<\/p>\n<div class=\"content\"><noscript><\/p>\n<style>.lazyload-placeholder { display: none;  }<\/style>\n<p><\/noscript><\/p>\n<h2 id=\"introduction\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%b9%d8%b1%d9%81%db%8c\"><\/span>\u0645\u0639\u0631\u0641\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0632 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0645\u0627\u0646\u0646\u062f \u0631\u0634\u062a\u0647 \u0647\u0627\u060c \u0627\u0639\u062f\u0627\u062f\u060c \u0634\u0646\u0627\u0648\u0631\u0647\u0627 \u0648 \u063a\u06cc\u0631\u0647 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u062f. <em>\u0631\u0634\u062a\u0647<\/em> \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0634\u062e\u0635\u06cc\u062a \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u00ab\u062c\u0627\u0646 \u062f\u0648\u00bb \u0627\u0633\u062a.  \u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644\u060c \u0634\u0645\u0627 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0627 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0646 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u062f\u0631 \u06af\u06cc\u0648\u0645\u0647 \u0647\u0627\u06cc \u062f\u0648\u062a\u0627\u06cc\u06cc \u06cc\u0627 \u062a\u06a9\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f.  \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>new String()<\/code> \u0633\u0627\u0632\u0646\u062f\u0647:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString = <span class=\"hljs-string\">'John Doe'<\/span>;\n<span class=\"hljs-keyword\">let<\/span> myString2 = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-built_in\">String<\/span>(<span class=\"hljs-string\">\"John Doe\"<\/span>);\n<\/code><\/pre>\n<blockquote>\n<p>\u0647\u0646\u06af\u0627\u0645 \u0627\u0646\u062c\u0627\u0645 \u0639\u0645\u0644\u06cc\u0627\u062a \u062e\u0627\u0635\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0627 \u0645\u0648\u0642\u0639\u06cc\u062a\u06cc \u0631\u0648\u0628\u0631\u0648 \u0634\u0648\u06cc\u062f \u06a9\u0647 \u0627\u0632 \u0634\u0645\u0627 \u0628\u062e\u0648\u0627\u0647\u062f \u0642\u0628\u0644 \u0627\u0632 \u067e\u0631\u062f\u0627\u0632\u0634 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u062e\u0627\u0635 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0633\u062a &#8211; \u0645\u0628\u0627\u062f\u0627 \u062e\u0637\u0627\u06cc\u06cc \u0627\u06cc\u062c\u0627\u062f \u0634\u0648\u062f.  \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u0622\u0646 \u0648\u0636\u0639\u06cc\u062a \u062e\u0648\u0627\u0647\u06cc\u0645 \u067e\u0631\u062f\u0627\u062e\u062a!  \u0627\u0628\u062a\u062f\u0627 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0631\u0648\u0634 \u0628\u0631\u0631\u0633\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u062e\u0627\u0635 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a \u0648 \u0633\u067e\u0633 \u06cc\u06a9 \u0631\u0648\u06cc\u06a9\u0631\u062f \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0631\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0646\u0634\u0627\u0646 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f \u06a9\u0647 \u0627\u0632 <em>\u0644\u0648\u062f\u0627\u0634<\/em> \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647<\/p>\n<\/blockquote>\n<h2 id=\"standardsolutionusingtypeofoperator\"><span class=\"ez-toc-section\" id=\"%d8%b1%d8%a7%d9%87_%d8%ad%d9%84_%d8%a7%d8%b3%d8%aa%d8%a7%d9%86%d8%af%d8%a7%d8%b1%d8%af_%e2%80%93_%d8%a8%d8%a7_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d9%86%d9%88%d8%b9%db%8c_%d8%a7%d8%b2_%d8%a7%d9%be%d8%b1%d8%a7%d8%aa%d9%88%d8%b1\"><\/span>\u0631\u0627\u0647 \u062d\u0644 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f &#8211; \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <em>\u0646\u0648\u0639\u06cc \u0627\u0632<\/em> \u0627\u067e\u0631\u0627\u062a\u0648\u0631<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u060c <code>typeof<\/code> \u0639\u0645\u0644\u06af\u0631 \u067e\u0631\u06a9\u0627\u0631\u0628\u0631\u062f\u062a\u0631\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0646\u0648\u0639 \u0647\u0631 \u0645\u062a\u063a\u06cc\u0631 \u0627\u0633\u062a.  \u0628\u0647 \u0637\u0648\u0631 \u0645\u062a\u0646\u0627\u0648\u0628\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 <code>typeof()<\/code> \u0631\u0648\u0634:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString = <span class=\"hljs-string\">'John Doe'<\/span>;\n\n<span class=\"hljs-keyword\">typeof<\/span> myString;  <span class=\"hljs-comment\">\/\/ string<\/span>\n<span class=\"hljs-keyword\">typeof<\/span>(myString); <span class=\"hljs-comment\">\/\/ string<\/span>\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0628\u0627 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f\u060c <code>typeof<\/code> \u0628\u0627\u0632\u062f\u0647 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 <code>\"string\"<\/code>.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u062a\u0623\u06cc\u06cc\u062f \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString = <span class=\"hljs-string\">\"John Doe\"<\/span>;\n\n<span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-keyword\">typeof<\/span> myString === <span class=\"hljs-string\">\"string\"<\/span>) {\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"This variable is a string\"<\/span>);\n} <span class=\"hljs-keyword\">else<\/span> {\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"This variable is not a string\"<\/span>);\n}\n<\/code><\/pre>\n<p>\u062f\u0631 \u0648\u0627\u0642\u0639\u060c <code>myString<\/code> \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"hljs\">This variable is a string\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> \u062d\u062a\u06cc \u0627\u06af\u0631 \u0645\u062a\u063a\u06cc\u0631 \u062f\u0627\u0631\u0627\u06cc \u0639\u062f\u062f\u06cc \u0628\u0627\u0634\u062f \u06a9\u0647 \u062f\u0631 \u06af\u06cc\u0648\u0645\u0647 \u0647\u0627\u06cc \u062a\u06a9\/\u062f\u0648\u06af\u0627\u0646\u0647 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0634\u062f\u0647 \u0628\u0627\u0634\u062f\u060c \u0628\u0627\u0632 \u0647\u0645 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u06cc\u06a9 \u0645\u0634\u06a9\u0644 \u062c\u0627\u0644\u0628 \u0628\u0627 <code>typeof<\/code> \u0639\u0645\u0644\u06af\u0631 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0627 \u0646\u0645\u06cc \u0634\u0646\u0627\u0633\u062f <code>new String()<\/code> \u0633\u0627\u0632\u0646\u062f\u0647  \u0631\u0627 <code>new<\/code> \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u06cc\u06a9 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f <em>\u0647\u062f\u0641 &#8211; \u0634\u06cc<\/em> \u06a9\u0647 \u0646\u0645\u0648\u0646\u0647 \u0627\u06cc \u0627\u0632 <code>String<\/code> \u0646\u0648\u0639  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c <code>typeof<\/code> \u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>new String()<\/code> \u0633\u0627\u0632\u0646\u062f\u0647:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-built_in\">String<\/span>(<span class=\"hljs-string\">'John Doe'<\/span>);\n\n<span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-keyword\">typeof<\/span> myString); <span class=\"hljs-comment\">\/\/ \"object\"<\/span>\n<\/code><\/pre>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f\u060c \u0628\u0647 \u062c\u0627\u06cc <code>typeof<\/code> \u0627\u067e\u0631\u0627\u062a\u0648\u0631\u060c \u0628\u0627\u06cc\u062f \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>instanceof<\/code> \u0639\u0645\u0644\u06af\u0631 &#8211; \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u0634\u062e\u06cc\u0635 \u062f\u0647\u062f \u06a9\u0647 \u0634\u06cc \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0628\u0627 <code>new String()<\/code> \u0633\u0627\u0632\u0646\u062f\u0647 \u0646\u0645\u0648\u0646\u0647 \u0627\u06cc \u0627\u0632 <code>String<\/code> \u0646\u0648\u0639:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-built_in\">String<\/span>(<span class=\"hljs-string\">\"John Doe\"<\/span>);\n\n<span class=\"hljs-keyword\">if<\/span> (myString <span class=\"hljs-keyword\">instanceof<\/span> <span class=\"hljs-built_in\">String<\/span>) {\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"This variable is a string\"<\/span>);\n} <span class=\"hljs-keyword\">else<\/span> {\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"This variable is not a string\"<\/span>);\n}\n<\/code><\/pre>\n<p>\u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 <code>myString<\/code> \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0633\u062a\u060c \u0627\u06cc\u0646 \u06a9\u062f \u062e\u0631\u0648\u062c\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">This variable is a string\n<\/code><\/pre>\n<h2 id=\"usinglodashlibrary\">\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 <em>\u0644\u0648\u062f\u0627\u0634<\/em> \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647<\/h2>\n<p>\u0627\u06af\u0631 \u0642\u0628\u0644\u0627\u064b \u0627\u0632 <em>\u0644\u0648\u062f\u0627\u0634<\/em> \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0634\u0645\u0627\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0631\u0634\u062a\u0647 \u0628\u0648\u062f\u0646 \u06cc\u0627 \u0646\u0628\u0648\u062f\u0646 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0636\u0631\u0631\u06cc \u0646\u062f\u0627\u0631\u062f!  \u0627\u06af\u0631 \u0628\u0647 Lodash \u0628\u0631\u0627\u06cc \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0631\u06cc \u0646\u06cc\u0627\u0632 \u0646\u062f\u0627\u0631\u06cc\u0645\u060c \u0645\u0637\u0644\u0642\u0627\u064b \u0644\u0627\u0632\u0645 \u0646\u06cc\u0633\u062a \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645\u060c \u0627\u0645\u0627 \u0627\u06af\u0631 \u0642\u0628\u0644\u0627\u064b \u0622\u0646 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645. <a rel=\"nofollow noopener noreferrer\" target=\"_blank\" href=\"https:\/\/underscorejs.org\/#isString\"><code>_.isString()<\/code><\/a>  \u0631\u0648\u0634\u060c \u06a9\u0647 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>true<\/code> \u0627\u06af\u0631 \u0645\u0642\u062f\u0627\u0631 \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0648\u0644\u06cc\u0647 \u06cc\u0627 a \u0628\u0627\u0634\u062f <code>String<\/code> \u0634\u06cc\u060c \u0622\u0646 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0635\u0631\u06cc\u062d \u0648 \u0636\u0645\u0646\u06cc \u0645\u0646\u0627\u0633\u0628 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-built_in\">String<\/span>(<span class=\"hljs-string\">\"John Doe\"<\/span>);\n\n<span class=\"hljs-keyword\">if<\/span> (_.isString(myString)) {\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"This variable is a string\"<\/span>);\n} <span class=\"hljs-keyword\">else<\/span> {\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"This variable is not a string\"<\/span>);\n}\n<\/code><\/pre>\n<p>\u062e\u0631\u0648\u062c\u06cc:<\/p>\n<pre><code class=\"hljs\">This variable is a string\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 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u06cc\u0645 \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645.  \u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u0645\u0627 \u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0647\u200c\u0627\u06cc\u0645 \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0628\u0627 \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u062e\u0627\u0631\u062c\u06cc \u0645\u0627\u0646\u0646\u062f \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f <em>\u0644\u0648\u062f\u0627\u0634<\/em>.<\/p>\n<\/div>\n<p><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-09 17:36:03<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;15206&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;\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a: \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0645\u062a\u063a\u06cc\u0631 \u0631\u0634\u062a\u0647 \u0627\u06cc \u0627\u0633\u062a \u06cc\u0627 \u0646\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0632 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0645\u0627\u0646\u0646\u062f \u0631\u0634\u062a\u0647 \u0647\u0627\u060c \u0627\u0639\u062f\u0627\u062f\u060c \u0634\u0646\u0627\u0648\u0631\u0647\u0627 \u0648 \u063a\u06cc\u0631\u0647 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u062f.  \u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644\u060c \u0634\u0645\u0627 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0627 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0646 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u062f\u0631 \u06af\u06cc\u0648\u0645\u0647 \u0647\u0627\u06cc \u062f\u0648\u062a\u0627\u06cc\u06cc \u06cc\u0627 \u062a\u06a9\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f.  \u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0633\u0627\u0632\u0646\u062f\u0647 String() \u062c\u062f\u06cc\u062f \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0628\u0633\u0627\u0632\u06cc\u062f:...&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\"> 2<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0632 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0645\u0627\u0646\u0646\u062f \u0631\u0634\u062a\u0647 \u0647\u0627\u060c \u0627\u0639\u062f\u0627\u062f\u060c \u0634\u0646\u0627\u0648\u0631\u0647\u0627 \u0648 \u063a\u06cc\u0631\u0647 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0631\u0634\u062a\u0647 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0634\u062e\u0635\u06cc\u062a \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u00ab\u062c\u0627\u0646 \u062f\u0648\u00bb \u0627\u0633\u062a. \u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644\u060c \u0634\u0645\u0627 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0627 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0646 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u062f\u0631 \u06af\u06cc\u0648\u0645\u0647 \u0647\u0627\u06cc \u062f\u0648\u062a\u0627\u06cc\u06cc \u06cc\u0627 \u062a\u06a9\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f. \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0628\u0627 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