{"id":65369,"date":"2024-06-06T08:32:42","date_gmt":"2024-06-06T05:02:42","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/%da%a9%d8%b4%d9%81-%d9%be%d8%af%db%8c%d8%af%d9%87-%d8%a8%d8%a7%d9%84%d8%a7%d8%a8%d8%b1-%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-%da%86%d8%b1%d8%a7-%d9%85%d8%aa\/"},"modified":"2024-06-06T08:32:42","modified_gmt":"2024-06-06T05:02:42","slug":"%da%a9%d8%b4%d9%81-%d9%be%d8%af%db%8c%d8%af%d9%87-%d8%a8%d8%a7%d9%84%d8%a7%d8%a8%d8%b1-%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-%da%86%d8%b1%d8%a7-%d9%85%d8%aa","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/%da%a9%d8%b4%d9%81-%d9%be%d8%af%db%8c%d8%af%d9%87-%d8%a8%d8%a7%d9%84%d8%a7%d8%a8%d8%b1-%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-%da%86%d8%b1%d8%a7-%d9%85%d8%aa\/","title":{"rendered":"\u06a9\u0634\u0641 \u067e\u062f\u06cc\u062f\u0647 \u0628\u0627\u0644\u0627\u0628\u0631 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a: \u0686\u0631\u0627 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627 \u0648 \u062a\u0648\u0627\u0628\u0639 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u062e\u0648\u062f \u0631\u0627 &#8220;\u0628\u0627\u0644\u0627\u0628\u0631&#8221; \u06a9\u0646\u0646\u062f\u061f"},"content":{"rendered":"<p><\/p>\n<div data-article-id=\"1878704\" id=\"article-body\">\n<p><img decoding=\"async\" src=\"https:\/\/media.dev.to\/cdn-cgi\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F6btswzo5kjsqfl0f0s0o.png\" alt=\"\u062a\u0648\u0636\u06cc\u062d\u0627\u062a \u062a\u0635\u0648\u06cc\u0631\" loading=\"lazy\" width=\"800\" height=\"200\" title=\"\"><\/p>\n<p>Hoisting \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u0641\u0647\u0648\u0645\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0627\u0639\u0644\u0627\u0646 \u0647\u0627\u06cc \u0645\u062a\u063a\u06cc\u0631 \u0648 \u062a\u0627\u0628\u0639 \u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u0628\u0647 \u0628\u0627\u0644\u0627\u06cc \u0645\u062d\u062f\u0648\u062f\u0647 \u0645\u0631\u0628\u0648\u0637\u0647 \u062e\u0648\u062f \u0645\u0646\u062a\u0642\u0644 \u0645\u06cc \u0634\u0648\u0646\u062f (\u06cc\u0627 &#8220;\u0628\u0627\u0644\u0627&#8221; \u0645\u06cc \u0634\u0648\u0646\u062f.  \u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627 \u0648 \u062a\u0648\u0627\u0628\u0639 \u0642\u0628\u0644 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u062f\u0631 \u06a9\u062f \u062e\u0648\u062f \u0627\u0639\u0644\u0627\u0646 \u0634\u0648\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u060c \u0632\u06cc\u0631\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0622\u0646 \u0627\u0639\u0644\u0627\u0646 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0628\u0627\u0644\u0627 &#8220;\u0628\u0627\u0644\u0627&#8221; \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0628\u0631\u0627\u06cc \u0631\u0648\u0634\u0646 \u062a\u0631 \u0634\u062f\u0646 \u0645\u0648\u0636\u0648\u0639\u060c \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644 \u0627\u0646\u062c\u0627\u0645 \u06cc\u06a9 \u0628\u0627\u0632\u06cc \u0647\u0633\u062a\u06cc\u062f.  \u062f\u0631 \u0622\u0646 \u0628\u0627\u0632\u06cc\u060c \u062a\u0645\u0627\u0645 \u0633\u0644\u0627\u062d \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f\u060c \u0642\u0628\u0644 \u0627\u0632 \u0634\u0631\u0648\u0639 \u0628\u0627\u0632\u06cc \u062f\u0631 \u06a9\u06cc\u0641 \u0634\u0645\u0627 \u0622\u0645\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0646\u062f\u060c \u062d\u062a\u06cc \u0627\u06af\u0631 \u0628\u0639\u062f\u0627\u064b \u06a9\u06cc\u0641 \u062e\u0648\u062f \u0631\u0627 \u0686\u06a9 \u06a9\u0646\u06cc\u062f.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644 \u0628\u0627\u0632\u06cc \u0647\u0633\u062a\u06cc\u062f \u0648 \u0628\u0647 \u06cc\u06a9 \u0627\u0633\u0644\u062d\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f\u060c \u0641\u0642\u0637 \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0627\u0632 \u06a9\u06cc\u0641 \u062e\u0648\u062f \u0628\u0631\u062f\u0627\u0631\u06cc\u062f \u0628\u062f\u0648\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u0646\u06af\u0631\u0627\u0646 \u062c\u0633\u062a\u062c\u0648\u06cc \u0622\u0646 \u0628\u0627\u0634\u06cc\u062f.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/%da%a9%d8%b4%d9%81-%d9%be%d8%af%db%8c%d8%af%d9%87-%d8%a8%d8%a7%d9%84%d8%a7%d8%a8%d8%b1-%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-%da%86%d8%b1%d8%a7-%d9%85%d8%aa\/#%D9%86%D9%85%D9%88%D9%86%D9%87_%D9%87%D8%A7%DB%8C%DB%8C_%D8%A7%D8%B2_%D8%A8%D8%A7%D9%84%D8%A7_%D8%A8%D8%B1%D8%AF%D9%86\" >\u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u0628\u0627\u0644\u0627 \u0628\u0631\u062f\u0646<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/%da%a9%d8%b4%d9%81-%d9%be%d8%af%db%8c%d8%af%d9%87-%d8%a8%d8%a7%d9%84%d8%a7%d8%a8%d8%b1-%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-%da%86%d8%b1%d8%a7-%d9%85%d8%aa\/#%D8%A8%D8%A7%D9%84%D8%A7_%D8%A8%D8%B1%D8%AF%D9%86_%D8%AF%D8%B1_let_%D9%88_const\" >\u0628\u0627\u0644\u0627 \u0628\u0631\u062f\u0646 \u062f\u0631 let \u0648 const<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/%da%a9%d8%b4%d9%81-%d9%be%d8%af%db%8c%d8%af%d9%87-%d8%a8%d8%a7%d9%84%d8%a7%d8%a8%d8%b1-%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-%da%86%d8%b1%d8%a7-%d9%85%d8%aa\/#%D8%AF%D9%84%D8%A7%DB%8C%D9%84_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%D8%A8%D8%A7%D9%84%D8%A7%D8%A8%D8%B1\" >\u062f\u0644\u0627\u06cc\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0628\u0627\u0644\u0627\u0628\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/%da%a9%d8%b4%d9%81-%d9%be%d8%af%db%8c%d8%af%d9%87-%d8%a8%d8%a7%d9%84%d8%a7%d8%a8%d8%b1-%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-%da%86%d8%b1%d8%a7-%d9%85%d8%aa\/#%D9%86%D8%AA%DB%8C%D8%AC%D9%87\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<h4><span class=\"ez-toc-section\" id=\"%D9%86%D9%85%D9%88%D9%86%D9%87_%D9%87%D8%A7%DB%8C%DB%8C_%D8%A7%D8%B2_%D8%A8%D8%A7%D9%84%D8%A7_%D8%A8%D8%B1%D8%AF%D9%86\"><\/span>\n<p>  \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u0628\u0627\u0644\u0627 \u0628\u0631\u062f\u0646<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>1. \u0628\u0627\u0644\u0627 \u0628\u0631\u062f\u0646 \u0631\u0648\u06cc \u0645\u062a\u063a\u06cc\u0631\u0647\u0627 \u0628\u0627 <code>var<\/code><\/strong><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">myVar<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Output: undefined<\/span>\n<span class=\"kd\">var<\/span> <span class=\"nx\">myVar<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">10<\/span><span class=\"p\">;<\/span>\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">myVar<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Output: 10<\/span>\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><strong>\u062a\u0648\u0636\u06cc\u062d:<\/strong><\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0639\u0644\u0627\u0646 \u0631\u0627 &#8220;\u0628\u0627\u0644\u0627&#8221; \u0645\u06cc \u06a9\u0646\u062f <code>var myVar<\/code> \u0628\u0647 \u0628\u0627\u0644\u0627\u06cc \u0645\u062d\u062f\u0648\u062f\u0647 \u062e\u0648\u062f\u060c \u0627\u0645\u0627 \u0645\u0642\u062f\u0627\u0631 \u0627\u0648\u0644\u06cc\u0647 \u0622\u0646 (\u0645\u0642\u062f\u0627\u0631 <code>10<\/code>) \u062f\u0631 \u062c\u0627\u06cc \u0627\u0635\u0644\u06cc \u062e\u0648\u062f \u0628\u0627\u0642\u06cc \u0645\u06cc \u0645\u0627\u0646\u062f.<br \/>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u062f\u0631 \u062e\u0637 \u0627\u0648\u0644\u060c <code>myVar<\/code> \u0627\u0639\u0644\u0627\u0645 \u0634\u062f\u0647 \u0627\u0633\u062a \u0627\u0645\u0627 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062e\u0631\u0648\u062c\u06cc \u0627\u0633\u062a <code>undefined<\/code>.<\/p>\n<p><strong>2. \u0628\u0627\u0644\u0627 \u0628\u0631\u062f\u0646 \u062f\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f<\/strong><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nf\">myFunction<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ Output: \"Hello World\"<\/span>\n\n<span class=\"kd\">function<\/span> <span class=\"nf\">myFunction<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Hello World<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><strong>\u062a\u0648\u0636\u06cc\u062d:<\/strong><\/p>\n<p>\u062a\u0627\u0628\u0639 <code>myFunction<\/code> \u0627\u0639\u0644\u0627\u0645 \u06a9\u0631\u062f \u0648 \u062a\u0645\u0627\u0645 \u0631\u0627\u0647 \u0631\u0627 \u0628\u0647 \u0633\u0645\u062a \u0628\u0627\u0644\u0627 \u0628\u0631\u062f <em>\u0645\u062d\u062f\u0648\u062f\u0647<\/em>\u0627\u0632 \u062c\u0645\u0644\u0647 \u0628\u062f\u0646<br \/>\u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u062a\u0645\u0627\u0633 \u0628\u06af\u06cc\u0631\u06cc\u0645 <code>myFunction<\/code> \u0642\u0628\u0644 \u0627\u0632 \u0627\u0639\u0644\u0627\u0645 \u0622\u0646 \u062f\u0631 \u06a9\u062f<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D8%A8%D8%A7%D9%84%D8%A7_%D8%A8%D8%B1%D8%AF%D9%86_%D8%AF%D8%B1_let_%D9%88_const\"><\/span>\n<p>  \u0628\u0627\u0644\u0627 \u0628\u0631\u062f\u0646 \u062f\u0631 let \u0648 const<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0627\u0639\u0644\u0627\u0645 \u0634\u062f\u0647 \u0628\u0627 <code>let<\/code> \u0648 <code>const<\/code> \u0647\u0645 \u0628\u0644\u0646\u062f \u0634\u062f\u0646\u062f\u060c \u0627\u0645\u0627 \u062f\u0627\u062e\u0644 \u0634\u062f\u0646\u062f&#8221;<em>\u0645\u0646\u0637\u0642\u0647 \u0645\u0631\u062f\u0647 \u0632\u0645\u0627\u0646\u06cc<\/em>&#8221; \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0622\u0646\u0647\u0627 \u0627\u062c\u0631\u0627 \u0634\u0648\u062f. \u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647\u060c \u062d\u062a\u06cc \u0627\u06af\u0631 \u0627\u0639\u0644\u0627\u0646 \u0628\u0631\u062f\u0627\u0634\u062a\u0647 \u0634\u0648\u062f\u060c \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0642\u0628\u0644 \u0627\u0632 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0628\u0647 \u0622\u0646\u0647\u0627 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f.<\/p>\n<p>\u0645\u062b\u0627\u0644 <code>let<\/code> \u0648 <code>const<\/code><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">myLetVar<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Error: Cannot access 'myLetVar' before initialization<\/span>\n<span class=\"kd\">let<\/span> <span class=\"nx\">myLetVar<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">20<\/span><span class=\"p\">;<\/span>\n\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">myConstVar<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Error: Cannot access 'myConstVar' before initialization<\/span>\n<span class=\"kd\">const<\/span> <span class=\"nx\">myConstVar<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">30<\/span><span class=\"p\">;<\/span>\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><strong>\u062a\u0648\u0636\u06cc\u062d:<\/strong><\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0646\u06cc\u0632 \u0627\u0639\u0644\u0627\u0646 \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc \u062f\u0647\u062f <code>let myLetVar<\/code> \u0648 <code>const myConstVar<\/code> \u0628\u0647 \u0628\u0627\u0644\u0627 <em>\u0645\u062d\u062f\u0648\u062f\u0647<\/em> \u0622\u0646\u0647\u0627\u060c \u0627\u0645\u0627 \u0622\u0646\u0647\u0627 \u062f\u0631 &#8220;<em>\u0645\u0646\u0637\u0642\u0647 \u0645\u0631\u062f\u0647 \u0632\u0645\u0627\u0646\u06cc<\/em>\u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0647 \u062e\u0637 \u0627\u0648\u0644\u06cc\u0647 \u0622\u0646 \u0628\u0631\u0633\u062f.<br \/>\u0627\u0632 \u0627\u06cc\u0646 \u0631\u0648\u060c \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0627\u06cc\u0646 \u0645\u062a\u063a\u06cc\u0631 \u0642\u0628\u0644 \u0627\u0632 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0628\u0627\u0639\u062b \u062e\u0637\u0627 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D8%AF%D9%84%D8%A7%DB%8C%D9%84_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%D8%A8%D8%A7%D9%84%D8%A7%D8%A8%D8%B1\"><\/span>\n<p>  \u062f\u0644\u0627\u06cc\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0628\u0627\u0644\u0627\u0628\u0631<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Hoisting \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u06a9\u062f \u0631\u0627 \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u062a\u0631 \u06a9\u0646\u062f \u0632\u06cc\u0631\u0627 \u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u062a\u0648\u0627\u0628\u0639 \u0631\u0627 \u062f\u0631 \u0647\u0631 \u062c\u0627\u06cc\u06cc \u0628\u062f\u0648\u0646 \u0646\u06af\u0631\u0627\u0646\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u062a\u0631\u062a\u06cc\u0628 \u06a9\u062f \u0627\u0639\u0644\u0627\u0645 \u06a9\u0646\u06cc\u0645.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0645\u0647\u0645 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f \u062a\u0645\u06cc\u0632 \u0648 \u0633\u0627\u062e\u062a\u0627\u0631\u06cc\u0627\u0641\u062a\u0647 \u0627\u062f\u0627\u0645\u0647 \u062f\u0647\u06cc\u062f \u062a\u0627 \u062f\u06cc\u06af\u0631\u0627\u0646 (\u06cc\u0627 \u062e\u0648\u062f\u062a\u0627\u0646) \u0631\u0627 \u06a9\u0647 \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u0645\u06cc \u062e\u0648\u0627\u0646\u0646\u062f \u06af\u06cc\u062c \u0646\u06a9\u0646\u06cc\u062f.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D9%86%D8%AA%DB%8C%D8%AC%D9%87\"><\/span>\n<p>  \u0646\u062a\u06cc\u062c\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Hoisting: \u0627\u0639\u0644\u0627\u0646 \u0647\u0627\u06cc \u0645\u062a\u063a\u06cc\u0631 \u0648 \u062a\u0627\u0628\u0639 \u062f\u0631 \u0628\u0627\u0644\u0627\u06cc \u0645\u062d\u062f\u0648\u062f\u0647 \u062e\u0648\u062f \u0642\u0631\u0627\u0631 \u0645\u06cc \u06af\u06cc\u0631\u0646\u062f.<\/li>\n<li>\n<code>var<\/code>: \u0627\u0639\u0644\u0627\u0646 \u0628\u0627\u0644\u0627 \u0645\u06cc \u0631\u0648\u062f\u060c \u0627\u0645\u0627 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u062f\u0631 \u0645\u062d\u0644 \u0627\u0635\u0644\u06cc \u062e\u0648\u062f \u0628\u0627\u0642\u06cc \u0645\u06cc \u0645\u0627\u0646\u062f (\u0646\u062a\u06cc\u062c\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647 \u0628\u0627\u0634\u062f).<\/li>\n<li>\n<code>let<\/code>  \u0648 <code>const<\/code>: \u0627\u0639\u0644\u0627\u0645\u06cc\u0647 \u0627\u0641\u0632\u0627\u06cc\u0634 \u06cc\u0627\u0641\u062a\u0647 \u0627\u0633\u062a \u0627\u0645\u0627 \u062f\u0631 &#8220;<em>\u0645\u0646\u0637\u0642\u0647 \u0645\u0631\u062f\u0647 \u0632\u0645\u0627\u0646\u06cc<\/em>&#8221; \u062a\u0627 \u0645\u0642\u062f\u0627\u0631 \u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 (\u0627\u06af\u0631 \u0642\u0628\u0644 \u0627\u0632 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0628\u0647 \u0622\u0646 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f\u060c \u0628\u0647 \u062e\u0637\u0627 \u0645\u06cc \u0631\u0633\u062f).<\/li>\n<li>\u0639\u0645\u0644\u06a9\u0631\u062f: \u0627\u0639\u0644\u0627\u0645\u06cc\u0647 \u0648 \u0628\u062f\u0646\u0647 \u06a9\u0627\u0645\u0644\u0627\u064b \u0628\u0644\u0646\u062f \u0634\u062f\u0647.<\/li>\n<\/ul>\n<p>\u0628\u0627 \u062f\u0631\u06a9 \u0645\u0641\u0647\u0648\u0645 hoisting\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06a9\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u06cc \u0631\u0627 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f \u06a9\u0647 \u0645\u0648\u062b\u0631\u062a\u0631 \u0648 \u0639\u0627\u0631\u06cc \u0627\u0632 \u0628\u0627\u06af \u0647\u0627\u06cc \u0645\u0632\u0627\u062d\u0645 \u0628\u0627\u0634\u062f.  \u0641\u0639\u0644\u0627 \u06a9\u0647 \u06a9\u0645 \u0648 \u0628\u06cc\u0634 \u0627\u0633\u062a \u062f\u0648\u0633\u062a\u0627\u0646 \u062f\u0631 \u06cc\u06a9 \u0645\u0642\u0627\u0644\u0647 \u062f\u06cc\u06af\u0631 \u0645\u06cc \u0628\u06cc\u0646\u06cc\u062f!!!<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Hoisting \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u0641\u0647\u0648\u0645\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0627\u0639\u0644\u0627\u0646 \u0647\u0627\u06cc \u0645\u062a\u063a\u06cc\u0631 \u0648 \u062a\u0627\u0628\u0639 \u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u0628\u0647 \u0628\u0627\u0644\u0627\u06cc \u0645\u062d\u062f\u0648\u062f\u0647 \u0645\u0631\u0628\u0648\u0637\u0647 \u062e\u0648\u062f \u0645\u0646\u062a\u0642\u0644 \u0645\u06cc \u0634\u0648\u0646\u062f (\u06cc\u0627 &#8220;\u0628\u0627\u0644\u0627&#8221; \u0645\u06cc \u0634\u0648\u0646\u062f. \u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627 \u0648 \u062a\u0648\u0627\u0628\u0639 \u0642\u0628\u0644 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u062f\u0631 \u06a9\u062f \u062e\u0648\u062f \u0627\u0639\u0644\u0627\u0646 \u0634\u0648\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u060c \u0632\u06cc\u0631\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0637\u0648\u0631 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