{"id":15193,"date":"2024-01-09T13:21:19","date_gmt":"2024-01-09T09:51:19","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d8%aa%d8%a8%d8%af%db%8c%d9%84-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a8%d9%87-%d8%a8%d9%88%d9%84%db%8c-%d8%af%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%81%d8%b1%d8%b6-%da%a9\/"},"modified":"2024-01-09T13:21:19","modified_gmt":"2024-01-09T09:51:19","slug":"%d8%aa%d8%a8%d8%af%db%8c%d9%84-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a8%d9%87-%d8%a8%d9%88%d9%84%db%8c-%d8%af%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%81%d8%b1%d8%b6-%da%a9","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d8%aa%d8%a8%d8%af%db%8c%d9%84-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a8%d9%87-%d8%a8%d9%88%d9%84%db%8c-%d8%af%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%81%d8%b1%d8%b6-%da%a9\/","title":{"rendered":"\u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0628\u0648\u0644\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0645\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0648\u0644\u06cc \u0631\u0627 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062e\u0648\u062f \u0628\u0647 \u0635\u0648\u0631\u062a \u0631\u0634\u062a\u0647 \u0648 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 \u0631\u0648\u06cc \u0622\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0639\u0645\u0644\u06cc\u0627\u062a \u062e\u0627\u0635\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645 \u0631\u0648\u06cc \u0648\u0628 \u0633\u0627\u06cc\u062a\/\u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u0627  \u062f\u0631 \u0622\u0646 \u0635\u0648\u0631\u062a\u060c \u0645\u0627 \u0628\u0627\u06cc\u062f \u0642\u0628\u0644 \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627 \u062f\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a \u0645\u0646\u0637\u0642\u06cc\u060c \u0622\u0646 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0648\u0644\u06cc \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u0645.  \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u0628\u0631\u0631\u0633\u06cc &#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%aa%d8%a8%d8%af%db%8c%d9%84-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a8%d9%87-%d8%a8%d9%88%d9%84%db%8c-%d8%af%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%81%d8%b1%d8%b6-%da%a9\/#%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%aa%d8%a8%d8%af%db%8c%d9%84-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a8%d9%87-%d8%a8%d9%88%d9%84%db%8c-%d8%af%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%81%d8%b1%d8%b6-%da%a9\/#%d8%a8%d8%a7_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d8%a7%d9%be%d8%b1%d8%a7%d8%aa%d9%88%d8%b1_%d9%87%d9%88%db%8c%d8%aa\" >\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0647\u0648\u06cc\u062a (===)<\/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%aa%d8%a8%d8%af%db%8c%d9%84-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a8%d9%87-%d8%a8%d9%88%d9%84%db%8c-%d8%af%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%81%d8%b1%d8%b6-%da%a9\/#%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d8%b9%d8%a8%d8%a7%d8%b1%d8%a7%d8%aa_%d9%85%d9%86%d8%b8%d9%85_regex\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u0646\u0638\u0645 (RegEx)<\/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%aa%d8%a8%d8%af%db%8c%d9%84-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a8%d9%87-%d8%a8%d9%88%d9%84%db%8c-%d8%af%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%81%d8%b1%d8%b6-%da%a9\/#%d8%a7%d8%b2_%da%a9%d9%84%d8%a7%d8%b3_boolean_wrapper_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d9%85%db%8c_%da%a9%d9%86%db%8c%d8%af%d8%9f\" >\u0627\u0632 \u06a9\u0644\u0627\u0633 Boolean Wrapper \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u061f<\/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%aa%d8%a8%d8%af%db%8c%d9%84-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a8%d9%87-%d8%a8%d9%88%d9%84%db%8c-%d8%af%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%81%d8%b1%d8%b6-%da%a9\/#%d8%af%d9%88_%d8%a7%d9%be%d8%b1%d8%a7%d8%aa%d9%88%d8%b1_not_%e2%80%93\" >\u062f\u0648 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 NOT &#8211; !!<\/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%aa%d8%a8%d8%af%db%8c%d9%84-%d8%b1%d8%b4%d8%aa%d9%87-%d8%a8%d9%87-%d8%a8%d9%88%d9%84%db%8c-%d8%af%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%81%d8%b1%d8%b6-%da%a9\/#%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>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0645\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0648\u0644\u06cc \u0631\u0627 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062e\u0648\u062f \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 <em>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0631\u0634\u062a\u0647<\/em> \u0648 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0631\u0648\u06cc \u0622\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0639\u0645\u0644\u06cc\u0627\u062a \u062e\u0627\u0635\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645 \u0631\u0648\u06cc \u0648\u0628 \u0633\u0627\u06cc\u062a\/\u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u0627  \u062f\u0631 \u0622\u0646 \u0635\u0648\u0631\u062a\u060c \u0645\u0627 \u0628\u0627\u06cc\u062f \u0642\u0628\u0644 \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627 \u062f\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a \u0645\u0646\u0637\u0642\u06cc\u060c \u0622\u0646 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0648\u0644\u06cc \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u0645.<\/p>\n<blockquote>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u0628\u0647 \u0686\u0646\u062f\u06cc\u0646 \u0631\u0648\u0634 \u062a\u0628\u062f\u06cc\u0644 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0628\u0648\u0644\u06cc (<code>true<\/code> \u06cc\u0627 <code>false<\/code>) \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a.<\/p>\n<\/blockquote>\n<h2 id=\"usingidentityoperator\"><span class=\"ez-toc-section\" id=\"%d8%a8%d8%a7_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d8%a7%d9%be%d8%b1%d8%a7%d8%aa%d9%88%d8%b1_%d9%87%d9%88%db%8c%d8%aa\"><\/span>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0647\u0648\u06cc\u062a <em>(===)<\/em><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 <em>\u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0647\u0648\u06cc\u062a<\/em>\u060c \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 a <em>\u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0628\u0631\u0627\u0628\u0631\u06cc \u062f\u0642\u06cc\u0642<\/em>\u060c \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u062f <code>true<\/code> \u0641\u0642\u0637 \u0627\u06af\u0631 \u0648 \u0641\u0642\u0637 \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 \u0647\u0631 \u062f\u0648 \u0645\u0642\u062f\u0627\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0634\u0648\u0646\u062f\u0647 \u0627\u0632 \u0645\u0642\u062f\u0627\u0631 \u0628\u0627\u0634\u0646\u062f <em>\u06cc\u06a9 \u0646\u0648\u0639 \u0648 \u0627\u0631\u0632\u0634 \u06cc\u06a9\u0633\u0627\u0646\u06cc \u062f\u0627\u0631\u0646\u062f<\/em>.  \u0628\u0647 \u0639\u0628\u0627\u0631\u062a \u062f\u06cc\u06af\u0631\u060c \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0627\u0631\u0632\u0634 \u0631\u0648\u06cc \u0633\u0645\u062a \u0686\u067e \u0628\u0631\u0627\u0628\u0631 \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 \u0627\u0633\u062a \u0631\u0648\u06cc \u0633\u0645\u062a \u0631\u0627\u0633\u062a &#8211; \u0648 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u062f <code>true<\/code> \u0627\u06af\u0631 \u0647\u0633\u062a\u0646\u062f\u060c \u0648 <code>false<\/code> \u0627\u06af\u0631 \u0646\u06cc\u0633\u062a\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>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0627\u06af\u0631 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0631 \u0645\u0648\u0631\u062f \u062a\u0641\u0627\u0648\u062a \u0628\u06cc\u0646 \u0622\u0646\u0647\u0627 \u0628\u06cc\u0634\u062a\u0631 \u0628\u062f\u0627\u0646\u06cc\u062f <code>==<\/code> <em>(\u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0628\u0631\u0627\u0628\u0631\u06cc \u062f\u0642\u06cc\u0642)<\/em> \u0648 <code>===<\/code> <em>(\u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0628\u0631\u0627\u0628\u0631\u06cc \u0634\u0644)<\/em>\u060c \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0645\u0627 \u0631\u0627 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f <em>&#8220;\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a: == \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 === \u0627\u067e\u0631\u0627\u062a\u0648\u0631&#8221;<\/em>!<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u062f\u0631 \u0627\u0635\u0644\u060c \u0645\u0627 \u0631\u0634\u062a\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0631\u0634\u062a\u0647 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>\"true\"<\/code>.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062e\u0631\u0648\u062c\u06cc \u06cc\u06a9 \u0628\u0648\u0644\u06cc \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f <code>true<\/code> \u0641\u0642\u0637 \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 \u0631\u0634\u062a\u0647 \u0645\u0627 \u0648\u0627\u0642\u0639\u0627 \u0628\u0627\u0634\u062f <code>\"true\"<\/code>.  \u0647\u0631 \u0631\u0634\u062a\u0647 \u062f\u06cc\u06af\u0631\u06cc \u0628\u0627\u0639\u062b \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u06a9\u062f \u0622\u0646 \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f <code>false<\/code> \u0645\u0642\u062f\u0627\u0631 \u0628\u0648\u0644\u06cc:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString = <span class=\"hljs-string\">\"true\"<\/span>; \n<span class=\"hljs-keyword\">let<\/span> boolOutput = (myString === <span class=\"hljs-string\">\"true\"<\/span>); <span class=\"hljs-comment\">\/\/returns true<\/span>\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> \u0645\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0627 \u0646\u0642\u0644 \u0642\u0648\u0644 \u0645\u06cc \u0646\u0648\u06cc\u0633\u06cc\u0645 &#8211; <code>\"true\"<\/code>\u0648 \u0645\u0642\u062f\u0627\u0631 \u0628\u0648\u0644\u06cc \u0628\u062f\u0648\u0646 \u0646\u0642\u0644 \u0642\u0648\u0644 &#8211; <code>true<\/code>.  \u0645\u0627 \u0627\u0632 \u0627\u06cc\u0646 \u0646\u0645\u0627\u062f \u062f\u0631 \u06a9\u0644 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0628\u062a\u062f\u0627 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0647 \u062d\u0631\u0648\u0641 \u06a9\u0648\u0686\u06a9 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u0645\u060c \u0641\u0642\u0637 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0645\u0637\u0645\u0626\u0646 \u0634\u0648\u06cc\u0645 \u062d\u0631\u0648\u0641 \u06a9\u0648\u0686\u06a9 \u0628\u0627\u0639\u062b \u062e\u0631\u0648\u062c\u06cc\u200c\u0647\u0627\u06cc \u0645\u0639\u06cc\u0648\u0628 \u0646\u0645\u06cc\u200c\u0634\u0648\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString = <span class=\"hljs-string\">\"True\"<\/span>; \n<span class=\"hljs-keyword\">let<\/span> boolOutput = (myString.toLowerCase() === <span class=\"hljs-string\">\"true\"<\/span>); <span class=\"hljs-comment\">\/\/ returns true<\/span>\n<\/code><\/pre>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u0628\u06cc\u0627\u0646 \u06a9\u0631\u062f\u06cc\u0645\u060c \u06a9\u062f \u0642\u0628\u0644\u06cc \u0628\u0627\u0632 \u062e\u0648\u0627\u0647\u062f \u06af\u0634\u062a <code>false<\/code> \u0627\u06af\u0631 \u0645\u0642\u062f\u0627\u0631 \u0631\u0634\u062a\u0647 \u0645\u0627 \u0628\u0631\u0627\u0628\u0631 \u0646\u0628\u0627\u0634\u062f <code>\"true\"<\/code>:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString1 = <span class=\"hljs-string\">\"Test\"<\/span>;\n<span class=\"hljs-keyword\">let<\/span> boolOutput1 = (myString1 === <span class=\"hljs-string\">\"true\"<\/span>); <span class=\"hljs-comment\">\/\/returns false<\/span>\n\n<span class=\"hljs-keyword\">let<\/span> myString1 = <span class=\"hljs-string\">\"Test\"<\/span>;\n<span class=\"hljs-keyword\">let<\/span> boolOutput1 = (myString1.toLowerCase() === <span class=\"hljs-string\">\"true\"<\/span>); <span class=\"hljs-comment\">\/\/returns false<\/span>\n\n<span class=\"hljs-keyword\">let<\/span> myString = <span class=\"hljs-string\">\"True\"<\/span>;\n<span class=\"hljs-keyword\">let<\/span> boolOutput2 = (myString2 === <span class=\"hljs-string\">\"true\"<\/span>); <span class=\"hljs-comment\">\/\/returns false<\/span>\n<\/code><\/pre>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0627 \u0645\u0639\u0631\u0641\u06cc \u0622\u0646 \u0686\u06cc\u0632\u0647\u0627 \u0631\u0627 \u06a9\u0645\u06cc \u0627\u062f\u0648\u06cc\u0647 \u06a9\u0646\u06cc\u0645 <strong>\u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0633\u0647 \u062a\u0627\u06cc\u06cc<\/strong> \u062f\u0631 \u06a9\u0646\u0627\u0631 <strong>\u0639\u0645\u0644\u06af\u0631 \u0628\u0631\u0627\u0628\u0631\u06cc<\/strong>.  \u062a\u0645\u0627\u0645 \u06a9\u0627\u0631\u06cc \u06a9\u0647 \u0645\u0627 \u0627\u0646\u062c\u0627\u0645 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645 \u0622\u06cc\u0627 \u0631\u0634\u062a\u0647 \u0645\u0627 \u0628\u0631\u0627\u0628\u0631 \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631 <code>\"true\"<\/code> \u0648 \u0633\u067e\u0633 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0628\u0648\u0644\u06cc \u0627\u0632 <code>true<\/code> \u0627\u06af\u0631 \u0645\u0633\u0627\u0628\u0642\u0647 \u0627\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06cc\u0627 <code>false<\/code> \u0627\u06af\u0631 \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u06cc\u0633\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString = <span class=\"hljs-string\">\"true\"<\/span>;\n<span class=\"hljs-keyword\">let<\/span> boolOutput = myString.toLowerCase() == <span class=\"hljs-string\">'true'<\/span> ? <span class=\"hljs-literal\">true<\/span> : <span class=\"hljs-literal\">false<\/span>; <span class=\"hljs-comment\">\/\/ returns true<\/span>\n<\/code><\/pre>\n<h2 id=\"usingregularexpressionsregex\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d8%b9%d8%a8%d8%a7%d8%b1%d8%a7%d8%aa_%d9%85%d9%86%d8%b8%d9%85_regex\"><\/span>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u0646\u0638\u0645 (RegEx)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><em>\u0639\u0628\u0627\u0631\u0627\u062a \u0628\u0627 \u0642\u0627\u0639\u062f\u0647<\/em> (RegEx) \u0627\u0644\u06af\u0648\u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u062a\u0637\u0628\u06cc\u0642 \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u062a\u0631\u06a9\u06cc\u0628 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u06cc \u0631\u0634\u062a\u0647 \u0627\u06cc \u0647\u0633\u062a\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>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0641\u0631\u0636 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0634\u0645\u0627 \u062d\u062f\u0627\u0642\u0644 \u06cc\u06a9 \u062f\u0631\u06a9 \u0627\u0648\u0644\u06cc\u0647 \u0627\u0632 \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u0646\u0638\u0645 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc \u062f\u0627\u0631\u06cc\u062f.  \u0627\u0645\u0627 \u0627\u06af\u0631 \u0628\u0631\u0627\u06cc \u062f\u0631\u06a9 \u0628\u0647\u062a\u0631 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u06a9\u0645\u06a9 \u062f\u0627\u0631\u06cc\u062f \u0631\u0648\u06cc \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u0646\u0638\u0645 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0628\u0627\u06cc\u062f \u0645\u0637\u0627\u0644\u0639\u0647 \u0645\u0627 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f <em>&#8220;\u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u0646\u0638\u0645 \u0648 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u062a\u0637\u0628\u06cc\u0642 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a&#8221;<\/em><\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u0628\u0631\u0627\u06cc \u0647\u062f\u0641 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u0627\u0632 \u0627\u0628\u062a\u062f\u0627\u06cc\u06cc \u062a\u0631\u06cc\u0646 \u0634\u06a9\u0644 \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u0646\u0638\u0645 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 &#8211; regex \u0633\u0627\u062f\u0647 \u0627\u06cc \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f. <code>\"true\"<\/code> \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0627 \u0631\u0634\u062a\u0647 \u0645\u0627 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0647\u06cc\u062f <code>test()<\/code> \u0631\u0648\u0634:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> stringValue = <span class=\"hljs-string\">\"true\"<\/span>; \n<span class=\"hljs-keyword\">let<\/span> boolValue = (<span class=\"hljs-regexp\">\/true\/<\/span>).test(stringValue); <span class=\"hljs-comment\">\/\/returns true<\/span>\n<\/code><\/pre>\n<p>\u0645\u062a\u0648\u062c\u0647 \u062e\u0648\u0627\u0647\u06cc\u062f \u0634\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u062f\u0631 \u0648\u0627\u0642\u0639 \u0628\u0647 \u062d\u0631\u0648\u0641 \u06a9\u0648\u0686\u06a9 \u0648 \u0628\u0632\u0631\u06af \u062d\u0633\u0627\u0633 \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u0628\u0627\u0632 \u062e\u0648\u0627\u0647\u062f \u06af\u0634\u062a <code>false<\/code> \u0627\u06af\u0631 \u0646\u0627\u0647\u0645\u0627\u0647\u0646\u06af\u06cc \u062c\u0632\u0626\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u062f\u0627\u0631\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> stringValue = <span class=\"hljs-string\">\"True\"<\/span>; \n<span class=\"hljs-keyword\">let<\/span> boolValue = (<span class=\"hljs-regexp\">\/true\/<\/span>).test(stringValue); <span class=\"hljs-comment\">\/\/returns false<\/span>\n<\/code><\/pre>\n<p>\u0628\u0631\u0627\u06cc \u0631\u0641\u0639 \u0627\u06cc\u0646 \u0645\u0634\u06a9\u0644 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645 <code>\/i<\/code> \u062f\u0631 \u067e\u0627\u06cc\u0627\u0646 \u0639\u0628\u0627\u0631\u062a \u0645\u0646\u0638\u0645 \u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0628\u0631\u0627\u06cc <em>\u0628\u0627\u0632\u06cc \u062d\u0633\u0627\u0633 \u0628\u0647 \u062d\u0631\u0648\u0641 \u06a9\u0648\u0686\u06a9 \u0648 \u0628\u0632\u0631\u06af<\/em>:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> stringValue = <span class=\"hljs-string\">\"True\"<\/span>; \n<span class=\"hljs-keyword\">let<\/span> boolValue = (<span class=\"hljs-regexp\">\/true\/i<\/span>).test(stringValue); <span class=\"hljs-comment\">\/\/returns true<\/span>\n<\/code><\/pre>\n<h2 id=\"usingthebooleanwrapperclass\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%b2_%da%a9%d9%84%d8%a7%d8%b3_boolean_wrapper_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d9%85%db%8c_%da%a9%d9%86%db%8c%d8%af%d8%9f\"><\/span>\u0627\u0632 \u06a9\u0644\u0627\u0633 Boolean Wrapper \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0627\u062e\u0644\u06cc \u062f\u0627\u0631\u062f <code>Boolean<\/code> \u0634\u06cc \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0648\u0644\u06cc.  \u062f\u0631 \u0648\u0627\u0642\u0639 \u06cc\u06a9 \u0627\u0633\u062a <em>\u0644\u0641\u0627\u0641 \u0634\u06cc<\/em> \u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0648\u0644\u06cc &#8211; \u0622\u0646 <em>\u062f\u0648\u0631 \u0645\u06cc \u067e\u06cc\u0686\u062f<\/em> \u0627\u0634\u06cc\u0627\u0621 \u062f\u06cc\u06af\u0631 \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0628\u0648\u0644\u06cc \u0645\u0639\u062a\u0628\u0631 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u062f.  \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f <em>\u0631\u0627\u0633\u062a\u06cc-\u06a9\u0627\u0630\u0628<\/em> \u0627\u0631\u0632\u0634 \u06cc\u06a9 \u0634\u06cc  \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc &#8211; \u0627\u0634\u06cc\u0627\u0621 \u062e\u0627\u0644\u06cc \u0628\u0647 \u0627\u0631\u0632\u06cc\u0627\u0628\u06cc \u0645\u06cc \u0634\u0648\u0646\u062f <code>false<\/code>\u060c \u0648 \u0627\u0634\u06cc\u0627\u0621 \u063a\u06cc\u0631 \u062e\u0627\u0644\u06cc \u0628\u0647 \u0627\u0631\u0632\u06cc\u0627\u0628\u06cc \u0645\u06cc \u0634\u0648\u0646\u062f <code>true<\/code>.<\/p>\n<p>\u0647\u0631 \u0631\u0634\u062a\u0647 \u0627\u06cc \u06a9\u0647 \u0631\u0634\u062a\u0647 \u062e\u0627\u0644\u06cc \u0646\u0628\u0627\u0634\u062f \u0628\u0647 \u0622\u0646 \u0627\u0631\u0632\u06cc\u0627\u0628\u06cc \u0645\u06cc \u0634\u0648\u062f <code>true<\/code> \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>Boolean<\/code> \u0644\u0641\u0627\u0641:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString1 = <span class=\"hljs-built_in\">Boolean<\/span>(<span class=\"hljs-string\">'true'<\/span>); <span class=\"hljs-comment\">\/\/returns true<\/span>\n<span class=\"hljs-keyword\">let<\/span> myString2 = <span class=\"hljs-built_in\">Boolean<\/span>(<span class=\"hljs-string\">''<\/span>); <span class=\"hljs-comment\">\/\/ \/\/returns false<\/span>\n<span class=\"hljs-keyword\">let<\/span> myString3 = <span class=\"hljs-built_in\">Boolean<\/span>(<span class=\"hljs-string\">'false'<\/span>); <span class=\"hljs-comment\">\/\/returns true<\/span>\n<span class=\"hljs-keyword\">let<\/span> myString4 = <span class=\"hljs-built_in\">Boolean<\/span>(<span class=\"hljs-string\">'True'<\/span>); <span class=\"hljs-comment\">\/\/returns true<\/span>\n<\/code><\/pre>\n<p>\u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f <strong>\u062f\u0648 \u0645\u0648\u0636\u0648\u0639 \u0639\u0645\u062f\u0647<\/strong> \u0627\u06cc\u0646\u062c\u0627:<\/p>\n<ul>\n<li>\u0627\u0648\u0644 \u0627\u06cc\u0646 \u06a9\u0647 \u0627\u06cc\u0646 \u0628\u0627\u0632 \u062e\u0648\u0627\u0647\u062f \u06af\u0634\u062a <code>true<\/code> \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062e\u0627\u0644\u06cc \u0628\u0627 \u062d\u062f\u0627\u0642\u0644 \u06cc\u06a9 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u062e\u0627\u0644\u06cc (\u0641\u0636\u0627\u060c \u062a\u0628 \u0648 \u063a\u06cc\u0631\u0647)\u060c \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0627\u06cc\u062f \u0645\u062d\u062a\u0627\u0637 \u0628\u0627\u0634\u06cc\u0645:<\/li>\n<\/ul>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> myString5 = <span class=\"hljs-built_in\">Boolean<\/span>(<span class=\"hljs-string\">' '<\/span>); <span class=\"hljs-comment\">\/\/returns true<\/span>\n<\/code><\/pre>\n<ul>\n<li>\u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u062f\u0648\u0645\u060c \u062a\u0628\u062f\u06cc\u0644 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0632 <code>\"false\"<\/code> \u0628\u0647 \u0645\u0642\u062f\u0627\u0631 \u0628\u0648\u0644\u06cc \u0627\u0632 <code>false<\/code> \u0634\u06a9\u0633\u062a \u062e\u0648\u0627\u0647\u062f \u062e\u0648\u0631\u062f \u0632\u06cc\u0631\u0627 \u0647\u0631 \u0631\u0634\u062a\u0647 \u063a\u06cc\u0631 \u062e\u0627\u0644\u06cc \u0628\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u0634\u0648\u062f <code>true<\/code>.<\/li>\n<\/ul>\n<h2 id=\"doublenotoperator\"><span class=\"ez-toc-section\" id=\"%d8%af%d9%88_%d8%a7%d9%be%d8%b1%d8%a7%d8%aa%d9%88%d8%b1_not_%e2%80%93\"><\/span>\u062f\u0648 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 NOT &#8211; <em>!!<\/em><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 \u062f\u0648\u06af\u0627\u0646\u0647 NOT \u0628\u0631\u0627\u0628\u0631 \u0627\u0633\u062a \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 \u0645\u0646\u0637\u0642\u06cc NOT (<code>!<\/code>) \u062f\u0648 \u0628\u0627\u0631\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0646\u062a\u06cc\u062c\u0647 \u0639\u0645\u0644\u06af\u0631 \u0645\u0646\u0641\u0631\u062f NOT \u0631\u0627 \u0645\u0639\u06a9\u0648\u0633 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString1 = !<span class=\"hljs-string\">'test'<\/span>; <span class=\"hljs-comment\">\/\/ returns false<\/span>\n<span class=\"hljs-keyword\">let<\/span> myString2 = !<span class=\"hljs-string\">''<\/span>; <span class=\"hljs-comment\">\/\/ returns true<\/span>\n<\/code><\/pre>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 \u062f\u0648\u06af\u0627\u0646\u0647 NOT \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0631\u0639\u06a9\u0633 \u0645\u06cc \u0634\u0648\u0646\u062f\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0627\u06a9\u0646\u0648\u0646 \u06cc\u06a9 \u062a\u0628\u062f\u06cc\u0644 \u0628\u0648\u0644\u06cc \u062e\u0627\u0644\u0635 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> myString1 = !!<span class=\"hljs-string\">'test'<\/span>; <span class=\"hljs-comment\">\/\/ returns true<\/span>\n<span class=\"hljs-keyword\">let<\/span> myString2 = !!<span class=\"hljs-string\">''<\/span>; <span class=\"hljs-comment\">\/\/ returns false<\/span>\n<\/code><\/pre>\n<p>\u062f\u0648 \u0628\u0631\u0627\u0628\u0631 \u0646\u0647 (<code>!!<\/code>) \u0639\u0645\u0644\u06af\u0631 \u06a9\u0627\u0645\u0644\u0627\u064b \u0645\u062e\u062a\u0635\u0631 \u0627\u0633\u062a \u0627\u0645\u0627 \u0647\u0645\u0627\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f <code>Boolean<\/code> \u0644\u0641\u0627\u0641  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0627\u06af\u0631 \u0628\u0627 NOT \u0645\u0646\u0637\u0642\u06cc \u0622\u0634\u0646\u0627 \u0646\u0628\u0627\u0634\u06cc\u062f\u060c \u062e\u0648\u0627\u0646\u062f\u0646 \u0622\u0646 \u06a9\u0645\u06cc \u0633\u062e\u062a \u062a\u0631 \u0627\u0633\u062a (<code>!<\/code>) \u0627\u067e\u0631\u0627\u062a\u0648\u0631.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062e\u0627\u0644\u06cc \u0628\u0627 \u062d\u062f\u0627\u0642\u0644 \u06cc\u06a9 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u062e\u0627\u0644\u06cc \u0628\u0627\u06cc\u062f \u0627\u062d\u062a\u06cc\u0627\u0637 \u06a9\u0646\u06cc\u0645. <code>true<\/code> \u0648 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u0631\u0634\u062a\u0647 \u0627\u06cc \u0627\u0632 <code>\"false\"<\/code> \u0628\u0647 \u0645\u0642\u062f\u0627\u0631 \u0628\u0648\u0644\u06cc \u0627\u0632 <code>false<\/code>\u060c \u0627\u06cc\u0646 \u0628\u0627\u0632 \u0647\u0645 \u06a9\u0627\u0631 \u0646\u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f (\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0628\u0627 <code>Boolean<\/code> \u0647\u062f\u0641 &#8211; \u0634\u06cc).<\/p>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\"><\/span>\u0646\u062a\u06cc\u062c\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u0628\u0647 \u0686\u0647\u0627\u0631 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0628\u0647 \u06cc\u06a9 \u0628\u0648\u0644\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0646\u06af\u0627\u0647\u06cc \u0627\u0646\u062f\u0627\u062e\u062a\u0647 \u0627\u06cc\u0645.  \u0633\u0627\u062f\u0647 \u062a\u0631\u06cc\u0646 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <em>\u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0628\u0631\u0627\u0628\u0631\u06cc \u062f\u0642\u06cc\u0642<\/em> \u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647 \u0645\u0642\u062f\u0627\u0631 \u0631\u0634\u062a\u0647 \u0645\u0627 \u0628\u0627 <code>\"true\"<\/code> &#8211; \u0627\u06af\u0631 \u0631\u0634\u062a\u0647 (\u0628\u0647 \u0637\u0648\u0631 \u062f\u0642\u06cc\u0642) \u0628\u0631\u0627\u0628\u0631 \u0628\u0627\u0634\u062f <code>\"true\"<\/code>\u060c \u062e\u0631\u0648\u062c\u06cc \u0628\u0648\u0644\u06cc \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f <code>true<\/code>.  \u0628\u0647 \u0637\u0648\u0631 \u0645\u062a\u0646\u0627\u0648\u0628\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 <em>\u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0633\u0647 \u062a\u0627\u06cc\u06cc<\/em> \u062f\u0631 \u06a9\u0646\u0627\u0631 <em>\u0639\u0645\u0644\u06af\u0631 \u0628\u0631\u0627\u0628\u0631\u06cc \u0634\u0644<\/em> \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u0646 \u0628\u0647 \u0647\u0645\u0627\u0646.  \u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u062a\u0637\u0628\u06cc\u0642 \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u0646\u0638\u0645 \u06cc\u06a9 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0645\u062d\u06a9\u0645 \u0627\u0633\u062a.<\/p>\n<p>\u062f\u0648 \u0631\u0648\u0634 \u0622\u062e\u0631\u060c <code>Boolean<\/code> \u0634\u06cc \u0648 <em>\u062f\u0648 \u0639\u0645\u0644\u06af\u0631 NOT<\/em>\u060c \u0646\u062d\u0648 \u0633\u0627\u062f\u0647 \u062a\u0631\u06cc \u062f\u0627\u0631\u0646\u062f\u060c \u0627\u0645\u0627 \u0627\u0634\u06a9\u0627\u0644 \u0622\u0646\u0647\u0627 \u0631\u0648\u0634 \u0628\u0631\u062e\u0648\u0631\u062f \u0622\u0646\u0647\u0627 \u0628\u0627 \u0622\u0646 \u0627\u0633\u062a <code>false<\/code> \u0645\u0642\u062f\u0627\u0631 &#8211; \u0631\u0634\u062a\u0647 &#8220;false&#8221; \u0645\u0642\u062f\u0627\u0631 \u0628\u0648\u0644\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>true<\/code>\u060c \u06a9\u0647 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0641\u0642\u0637 \u0628\u0631\u0627\u06cc \u0632\u06cc\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u06a9\u0648\u0686\u06a9\u06cc \u0627\u0632 \u0645\u0648\u0627\u0631\u062f \u062a\u0628\u062f\u06cc\u0644 \u0642\u0627\u0628\u0644 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<\/div>\n<p><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-09 13:21:14<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;15193&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;\u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0628\u0648\u0644\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0645\u0627 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\u0645\u0646\u0637\u0642\u06cc\u060c \u0622\u0646 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0648\u0644\u06cc \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u0645.  \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u0628\u0631\u0631\u0633\u06cc ...&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 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