{"id":110356,"date":"2025-05-24T11:48:16","date_gmt":"2025-05-24T07:18:16","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7\/"},"modified":"2025-05-24T11:48:16","modified_gmt":"2025-05-24T07:18:16","slug":"%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7\/","title":{"rendered":"\u0622\u06cc\u0627 \u0628\u0631\u0646\u0627\u0645\u0647 \u0648\u0628 \u0634\u0645\u0627 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href=\"https:\/\/nabfollower.com\/blog\/%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7\/#%D9%86%D8%B4%D8%AA_%D8%AD%D8%A7%D9%81%D8%B8%D9%87_%D8%AF%D9%82%DB%8C%D9%82%D8%A7%D9%8B_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\" >\u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u062f\u0642\u06cc\u0642\u0627\u064b \u0686\u06cc\u0633\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7\/#%D9%85%D9%82%D8%B5%D8%B1_%D9%85%D8%B4%D8%AA%D8%B1%DA%A9_%D9%85%D8%AA%D8%BA%DB%8C%D8%B1%D9%87%D8%A7%DB%8C_%D8%AC%D9%87%D8%A7%D9%86%DB%8C_%D8%AA%D8%B5%D8%A7%D8%AF%D9%81%DB%8C\" >\u0645\u0642\u0635\u0631 \u0645\u0634\u062a\u0631\u06a9: \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u062c\u0647\u0627\u0646\u06cc \u062a\u0635\u0627\u062f\u0641\u06cc:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7\/#%D8%AA%D8%A7%DB%8C%D9%85%D8%B1_%D9%88_%D9%81%D9%88%D8%A7%D8%B5%D9%84_%D9%81%D8%B1%D8%A7%D9%85%D9%88%D8%B4_%D8%B4%D8%AF%D9%87\" >\u062a\u0627\u06cc\u0645\u0631 \u0648 \u0641\u0648\u0627\u0635\u0644 \u0641\u0631\u0627\u0645\u0648\u0634 \u0634\u062f\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:\/\/nabfollower.com\/blog\/%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7\/#%D8%B4%D9%86%D9%88%D9%86%D8%AF%DA%AF%D8%A7%D9%86_%D8%B1%D9%88%DB%8C%D8%AF%D8%A7%D8%AF_%D8%A2%D9%88%DB%8C%D8%B2%D8%A7%D9%86\" >\u0634\u0646\u0648\u0646\u062f\u06af\u0627\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u0622\u0648\u06cc\u0632\u0627\u0646:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7\/#%D8%A8%D8%B3%D8%AA%D9%87_%D8%B4%D8%AF%D9%86_%D8%A8%DB%8C%D8%B4_%D8%A7%D8%B2_%D8%AD%D8%AF\" >\u0628\u0633\u062a\u0647 \u0634\u062f\u0646 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7\/#%D8%AA%D8%A8%D8%AF%DB%8C%D9%84_%D8%B4%D8%AF%D9%86_%D8%A8%D9%87_%DB%8C%DA%A9_%DA%A9%D8%A7%D8%B1%D8%A2%DA%AF%D8%A7%D9%87_%D9%86%D8%B4%D8%AA_%D8%AD%D8%A7%D9%81%D8%B8%D9%87_%D8%A7%D8%A8%D8%B2%D8%A7%D8%B1_%D8%A7%D8%B4%DA%A9%D8%A7%D9%84_%D8%B2%D8%AF%D8%A7%DB%8C%DB%8C_%D8%B4%D9%85%D8%A7\" >\u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0646 \u0628\u0647 \u06cc\u06a9 \u06a9\u0627\u0631\u0622\u06af\u0627\u0647 \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647: \u0627\u0628\u0632\u0627\u0631 \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc \u0634\u0645\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7\/#1_%D8%A8%D8%B1%DA%AF%D9%87_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF_%DA%AF%D8%B1%D9%81%D8%AA%D9%86_%D8%AA%D8%B5%D9%88%DB%8C%D8%B1_%D8%A8%D8%B2%D8%B1%DA%AF\" >1. \u0628\u0631\u06af\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f: \u06af\u0631\u0641\u062a\u0646 \u062a\u0635\u0648\u06cc\u0631 \u0628\u0632\u0631\u06af<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7\/#2_%D8%A8%D8%B1%DA%AF%D9%87_%D8%AD%D8%A7%D9%81%D8%B8%D9%87_%D8%BA%D9%88%D8%A7%D8%B5%DB%8C_%D8%A8%D9%87_%D8%AC%D8%B2%D8%A6%DB%8C%D8%A7%D8%AA\" >2. \u0628\u0631\u06af\u0647 \u062d\u0627\u0641\u0638\u0647: \u063a\u0648\u0627\u0635\u06cc \u0628\u0647 \u062c\u0632\u0626\u06cc\u0627\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7\/#%DB%8C%DA%A9_%D9%85%D8%AB%D8%A7%D9%84_%D8%AF%D8%B1_%D8%AF%D9%86%DB%8C%D8%A7%DB%8C_%D9%88%D8%A7%D9%82%D8%B9%DB%8C_%D9%85%D9%88%D8%B1%D8%AF_%D8%A7%D8%B4%D8%AA%D8%B1%D8%A7%DA%A9_%D8%B7%D9%88%D9%84%D8%A7%D9%86%DB%8C\" >\u06cc\u06a9 \u0645\u062b\u0627\u0644 \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc: \u0645\u0648\u0631\u062f \u0627\u0634\u062a\u0631\u0627\u06a9 \u0637\u0648\u0644\u0627\u0646\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a2%db%8c%d8%a7-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87-%d9%88%d8%a8-%d8%b4%d9%85%d8%a7-%d8%af%d8%b1-%d8%ad%d8%a7%d9%84-%d9%86%d8%b4%d8%aa-%d8%a7%d8%b3%d8%aa%d8%9f-%d8%b1%d8%a7%d9%87%d9%86%d9%85%d8%a7\/#%DA%86%D9%87_%DA%86%DB%8C%D8%B2%DB%8C_%D8%A8%D8%B9%D8%AF%DB%8C%D8%9F\" >\u0686\u0647 \u0686\u06cc\u0632\u06cc \u0628\u0639\u062f\u06cc\u061f<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D9%86%D8%B4%D8%AA_%D8%AD%D8%A7%D9%81%D8%B8%D9%87_%D8%AF%D9%82%DB%8C%D9%82%D8%A7%D9%8B_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\"><\/span>\n<p>  \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u062f\u0642\u06cc\u0642\u0627\u064b \u0686\u06cc\u0633\u062a\u061f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc \u0627\u0641\u062a\u062f \u06a9\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u0641\u0631\u0627\u0645\u0648\u0634 \u06a9\u0646\u062f \u06a9\u0647 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0631\u0627 \u067e\u0627\u06a9 \u06a9\u0646\u062f. \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0646 \u0622\u0646 \u0631\u0627 \u0646\u06af\u0647 \u0645\u06cc \u062f\u0627\u0631\u062f \u060c \u062d\u062a\u06cc \u0627\u06af\u0631 \u062f\u06cc\u06af\u0631 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u0646\u0645\u06cc \u06af\u06cc\u0631\u062f. \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u0647\u0627\u06cc \u0642\u062f\u06cc\u0645\u06cc \u0631\u0627 \u062f\u0631 \u0633\u0631\u0627\u0633\u0631 \u062a\u062e\u062a\u0647 \u0633\u0641\u06cc\u062f \u0628\u06af\u0630\u0627\u0631\u06cc\u062f &#8211; \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u060c \u0634\u0645\u0627 \u0627\u0632 \u0641\u0636\u0627 \u0641\u0631\u0627\u0631 \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f!<\/p>\n<p>\u062f\u0631 JavaScript \u060c \u0632\u0628\u0627\u0646\u06cc \u06a9\u0647 \u0628\u06cc\u0634\u062a\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0648\u0628 \u0631\u0627 \u062a\u0623\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u060c \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0648\u0634\u0645\u0646\u062f\u0627\u0646\u0647 \u0628\u0647 \u0646\u0627\u0645 &#8220;\u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u0632\u0628\u0627\u0644\u0647&#8221; \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0627\u06cc\u0646 \u062d\u0627\u0641\u0638\u0647 \u0628\u0644\u0627\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0631\u0627 \u062a\u0645\u06cc\u0632 \u06a9\u0646\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644 \u060c \u0646\u0634\u062a \u0647\u0646\u06af\u0627\u0645\u06cc \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc \u0627\u0641\u062a\u062f \u06a9\u0647 \u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0646\u0627\u062e\u0648\u0627\u0633\u062a\u0647 \u06cc\u0627 &#8220;\u0645\u0646\u0627\u0628\u0639&#8221; \u0645\u0627\u0646\u0639 \u0627\u0632 \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u0632\u0628\u0627\u0644\u0647 \u0647\u0627 \u0627\u0632 \u0627\u0646\u062c\u0627\u0645 \u06a9\u0627\u0631 \u062e\u0648\u062f \u0634\u0648\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D9%82%D8%B5%D8%B1_%D9%85%D8%B4%D8%AA%D8%B1%DA%A9_%D9%85%D8%AA%D8%BA%DB%8C%D8%B1%D9%87%D8%A7%DB%8C_%D8%AC%D9%87%D8%A7%D9%86%DB%8C_%D8%AA%D8%B5%D8%A7%D8%AF%D9%81%DB%8C\"><\/span>\n<p>  \u0645\u0642\u0635\u0631 \u0645\u0634\u062a\u0631\u06a9: \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u062c\u0647\u0627\u0646\u06cc \u062a\u0635\u0627\u062f\u0641\u06cc:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06af\u0631 \u0641\u0631\u0627\u0645\u0648\u0634 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f \u0645\u062a\u063a\u06cc\u0631 \u0631\u0627 \u0628\u0627 <strong>\u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u060c const \u06cc\u0627 var<\/strong> \u062f\u0631 \u062f\u0627\u062e\u0644 \u06cc\u06a9 \u0639\u0645\u0644\u06a9\u0631\u062f \u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0637\u0648\u0631 \u062a\u0635\u0627\u062f\u0641\u06cc \u0628\u0647 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u062c\u0647\u0627\u0646\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0634\u0648\u062f. \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u062c\u0647\u0627\u0646\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0644 \u0637\u0648\u0644 \u0639\u0645\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u060c \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0628\u0627\u0644\u0642\u0648\u0647 \u0631\u0648\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f \u060c \u0645\u06cc \u0686\u0633\u0628\u0646\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>function doSomething() {\n  message = \"Hello!\"; \/\/ Oops! 'message' becomes a global variable\n  console.log(message);\n}\ndoSomething();\nconsole.log(message); \/\/ Still accessible globally!\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>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\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<h2><span class=\"ez-toc-section\" id=\"%D8%AA%D8%A7%DB%8C%D9%85%D8%B1_%D9%88_%D9%81%D9%88%D8%A7%D8%B5%D9%84_%D9%81%D8%B1%D8%A7%D9%85%D9%88%D8%B4_%D8%B4%D8%AF%D9%87\"><\/span>\n<p>  \u062a\u0627\u06cc\u0645\u0631 \u0648 \u0641\u0648\u0627\u0635\u0644 \u0641\u0631\u0627\u0645\u0648\u0634 \u0634\u062f\u0647:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06af\u0631 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f <strong>setTimeout \u06cc\u0627 setInterval<\/strong> \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u06a9\u062f\u06cc \u0628\u0647 \u0637\u0648\u0631 \u0645\u06a9\u0631\u0631 \u060c \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0627 \u0622\u0646 \u067e\u0627\u06a9 \u0646\u0645\u06cc \u06a9\u0646\u06cc\u062f <strong>ClearTimeout \u06cc\u0627 ClearInterval<\/strong> \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0634\u0645\u0627 \u0628\u0627 \u0622\u0646 \u062a\u0645\u0627\u0645 \u0634\u062f \u060c \u0627\u06cc\u0646 \u06a9\u0627\u0631\u06a9\u0631\u062f\u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u0631\u0627 \u0632\u0646\u062f\u0647 \u0646\u06af\u0647 \u062f\u0627\u0631\u0646\u062f \u0648 \u0627\u0632 \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u0632\u0628\u0627\u0644\u0647 \u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0631\u062a\u0628\u0637 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>let intervalId = setInterval(() =&gt; {\n  console.log(\"This keeps running...\");\n}, 1000);\n\n\/\/ If we don't do this:\n\/\/ clearInterval(intervalId);\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>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\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<h2><span class=\"ez-toc-section\" id=\"%D8%B4%D9%86%D9%88%D9%86%D8%AF%DA%AF%D8%A7%D9%86_%D8%B1%D9%88%DB%8C%D8%AF%D8%A7%D8%AF_%D8%A2%D9%88%DB%8C%D8%B2%D8%A7%D9%86\"><\/span>\n<p>  \u0634\u0646\u0648\u0646\u062f\u06af\u0627\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u0622\u0648\u06cc\u0632\u0627\u0646:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0634\u0646\u0648\u0646\u062f\u06af\u0627\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f (\u0645\u0627\u0646\u0646\u062f \u067e\u0627\u0633\u062e \u062f\u0627\u062f\u0646 \u0628\u0647 \u06cc\u06a9 \u062f\u06a9\u0645\u0647 \u06a9\u0644\u06cc\u06a9) \u0628\u0647 \u0639\u0646\u0627\u0635\u0631 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0635\u0641\u062d\u0647 \u0648\u0628 \u062e\u0648\u062f \u060c \u0648 \u0633\u067e\u0633 \u0622\u0646 \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0627\u0632 \u0635\u0641\u062d\u0647 \u062d\u0630\u0641 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u060c \u0634\u0646\u0648\u0646\u062f\u06af\u0627\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u0647\u0646\u0648\u0632 \u0647\u0645 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0631 \u067e\u0633 \u0632\u0645\u06cc\u0646\u0647 \u0622\u0648\u06cc\u0632\u0627\u0646 \u0628\u0627\u0634\u0646\u062f \u0648 \u0628\u0647 \u0639\u0646\u0627\u0635\u0631 \u062d\u0630\u0641 \u0634\u062f\u0647 \u0645\u0631\u0627\u062c\u0639\u0647 \u06a9\u0646\u0646\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const button = document.getElementById('myButton');\nfunction handleClick() {\n  console.log('Button clicked!');\n}\nbutton.addEventListener('click', handleClick);\n\n\/\/ Later, if the button is removed from the DOM:\n\/\/ button.remove();\n\/\/ The event listener might still be in memory if not explicitly removed:\n\/\/ button.removeEventListener('click', handleClick);\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>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\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<h2><span class=\"ez-toc-section\" id=\"%D8%A8%D8%B3%D8%AA%D9%87_%D8%B4%D8%AF%D9%86_%D8%A8%DB%8C%D8%B4_%D8%A7%D8%B2_%D8%AD%D8%AF\"><\/span>\n<p>  \u0628\u0633\u062a\u0647 \u0634\u062f\u0646 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0633\u062a\u0647 \u0634\u062f\u0646 \u062f\u0631 JavaScript \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a \u060c \u0627\u0645\u0627 \u0627\u06af\u0631 \u062f\u0627\u0645\u0646\u0647 \u062f\u0631\u0648\u0646\u06cc \u06cc\u06a9 \u0639\u0645\u0644\u06a9\u0631\u062f (&#8220;\u0628\u0633\u062a\u0647 \u0634\u062f\u0646&#8221; \u0622\u0646) \u062d\u062a\u06cc \u067e\u0633 \u0627\u0632 \u0627\u062a\u0645\u0627\u0645 \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u06cc\u0631\u0648\u0646\u06cc \u060c \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0632\u06cc\u0627\u062f\u06cc \u0627\u0632 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u062d\u0641\u0638 \u06a9\u0646\u062f \u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0627\u06cc\u062c\u0627\u062f \u062d\u0627\u0641\u0638\u0647 \u0634\u0648\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>function outerFunction(largeData) {\n  return function innerFunction() {\n    console.log('Data is still here:', largeData.length);\n    \/\/ Even after outerFunction finishes, innerFunction can still access largeData\n  };\n}\n\nconst bigData = new Array(1000000).fill('*');\nconst closure = outerFunction(bigData);\n\/\/ Even if we don't call closure immediately, it 'remembers' bigData\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>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\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>\u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641\u06cc \u0627\u0632 \u0646\u0634\u062a \u0646\u06cc\u0632 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0628\u0631\u062e\u06cc \u0627\u0632 \u0622\u0646\u0647\u0627 \u0628\u0647 \u0646\u0627\u0645 &#8220;\u0646\u0634\u062a \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9&#8221; \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u0646\u062f\u0627\u0632\u0647 \u062b\u0627\u0628\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f. \u0627\u0645\u0627 \u0646\u06af\u0631\u0627\u0646 \u06a9\u0646\u0646\u062f\u0647 \u062a\u0631 &#8220;\u0646\u0634\u062a \u067e\u0648\u06cc\u0627&#8221; \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627 \u06af\u0630\u0634\u062a \u0632\u0645\u0627\u0646 \u0628\u0627 \u0632\u0645\u0627\u0646 \u062a\u0639\u0627\u0645\u0644 \u0628\u0627 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0634\u062f \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0645\u0646\u062c\u0631 \u0628\u0647 \u0645\u0634\u06a9\u0644\u0627\u062a \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u06cc\u0627 \u062e\u0631\u0627\u0628\u06cc \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%AA%D8%A8%D8%AF%DB%8C%D9%84_%D8%B4%D8%AF%D9%86_%D8%A8%D9%87_%DB%8C%DA%A9_%DA%A9%D8%A7%D8%B1%D8%A2%DA%AF%D8%A7%D9%87_%D9%86%D8%B4%D8%AA_%D8%AD%D8%A7%D9%81%D8%B8%D9%87_%D8%A7%D8%A8%D8%B2%D8%A7%D8%B1_%D8%A7%D8%B4%DA%A9%D8%A7%D9%84_%D8%B2%D8%AF%D8%A7%DB%8C%DB%8C_%D8%B4%D9%85%D8%A7\"><\/span>\n<p>  \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0646 \u0628\u0647 \u06cc\u06a9 \u06a9\u0627\u0631\u0622\u06af\u0627\u0647 \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647: \u0627\u0628\u0632\u0627\u0631 \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc \u0634\u0645\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062e\u0628\u0631 \u062e\u0648\u0628 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0645\u0631\u0648\u0631\u06af\u0631\u0647\u0627\u06cc \u0648\u0628 \u0645\u062f\u0631\u0646 \u0645\u062c\u0647\u0632 \u0628\u0647 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647 \u0647\u0633\u062a\u0646\u062f \u062a\u0627 \u0628\u0647 \u0634\u0645\u0627 \u062f\u0631 \u0631\u062f\u06cc\u0627\u0628\u06cc \u0627\u06cc\u0646 Gremlins \u062d\u0627\u0641\u0638\u0647 \u06a9\u0645\u06a9 \u06a9\u0646\u0646\u062f. \u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627 \u0631\u0648\u06cc Devtools Google Chrome \u062a\u0645\u0631\u06a9\u0632 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.<\/p>\n<p>\u0642\u0628\u0644 \u0627\u0632 \u0634\u06cc\u0631\u062c\u0647 \u0632\u062f\u0646 \u0628\u0647 \u0627\u0628\u0632\u0627\u0631\u0647\u0627 \u060c \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0686\u0646\u062f \u0631\u0648\u0634 \u062e\u0648\u0628 \u0628\u0631\u0627\u06cc \u0628\u0647 \u062e\u0627\u0637\u0631 \u0633\u067e\u0631\u062f\u0646 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f:<\/p>\n<p><strong>\u0627\u0632 \u062d\u0627\u0644\u062a \u0646\u0627\u0634\u0646\u0627\u0633 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/strong> \u0627\u06cc\u0646 \u06cc\u06a9 \u0645\u062d\u06cc\u0637 \u0622\u0632\u0645\u0627\u06cc\u0634 \u062a\u0645\u06cc\u0632 \u0648 \u0628\u062f\u0648\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0627\u0641\u0632\u0648\u062f\u0646\u06cc \u0645\u0631\u0648\u0631\u06af\u0631 \u0631\u0627 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f.<br \/><strong>\u0633\u0627\u062e\u062a \u062a\u0648\u0644\u06cc\u062f \u062e\u0648\u062f \u0631\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u062f:<\/strong> \u0628\u0639\u0636\u06cc \u0627\u0648\u0642\u0627\u062a \u060c \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062f\u0631 \u062a\u0648\u0633\u0639\u0647 \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0633\u0627\u0626\u0644 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647 \u0631\u0627 \u06a9\u0647 \u0641\u0642\u0637 \u062f\u0631 \u0646\u0633\u062e\u0647 \u0646\u0647\u0627\u06cc\u06cc \u0648 \u062a\u0648\u0644\u06cc\u062f \u0638\u0627\u0647\u0631 \u0645\u06cc \u0634\u0648\u062f \u060c \u0646\u0642\u0627\u0628 \u06a9\u0646\u062f.<br \/><strong>\u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0632\u0627\u0648\u06cc\u0647 \u0627\u06cc (\u0648 \u0633\u0627\u06cc\u0631 \u0686\u0627\u0631\u0686\u0648\u0628 \u0647\u0627 \u0628\u0627 \u0641\u0631\u0622\u06cc\u0646\u062f\u0647\u0627\u06cc \u0633\u0627\u062e\u062a):<\/strong> \u062f\u0631 \u0637\u06cc \u0645\u0631\u0627\u062d\u0644 \u0633\u0627\u062e\u062a \u062e\u0648\u062f \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u0642\u062a \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 \u0646\u0627\u0645 \u0645\u062a\u063a\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f. \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062f\u0631\u06a9 \u0646\u0627\u0645 \u0627\u0634\u06cc\u0627\u0621 \u062f\u0631 Devtools \u0631\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0633\u0627\u062f\u0647 \u062a\u0631 \u06a9\u0646\u062f.<br \/>\u062d\u0627\u0644 \u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u0632\u0628\u0627\u0646\u0647 \u0647\u0627\u06cc \u0636\u0631\u0648\u0631\u06cc Devtools \u0628\u0631\u0627\u06cc \u0634\u06a9\u0627\u0631 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<h2><span class=\"ez-toc-section\" id=\"1_%D8%A8%D8%B1%DA%AF%D9%87_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF_%DA%AF%D8%B1%D9%81%D8%AA%D9%86_%D8%AA%D8%B5%D9%88%DB%8C%D8%B1_%D8%A8%D8%B2%D8%B1%DA%AF\"><\/span>\n<p>  1. \u0628\u0631\u06af\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f: \u06af\u0631\u0641\u062a\u0646 \u062a\u0635\u0648\u06cc\u0631 \u0628\u0632\u0631\u06af<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0631\u06af\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u062c\u062f\u0648\u0644 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 \u0641\u0639\u0627\u0644\u06cc\u062a \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0645\u06cc \u062f\u0647\u062f. \u0647\u0646\u06af\u0627\u0645 \u0628\u0631\u0631\u0633\u06cc \u062d\u0627\u0641\u0638\u0647 \u060c \u0628\u0647 \u062f\u0646\u0628\u0627\u0644 <strong>&#8220;js heap&#8221;<\/strong> \u0646\u0645\u0648\u062f\u0627\u0631 (\u0645\u0639\u0645\u0648\u0644\u0627\u064b \u06cc\u06a9 \u062e\u0637 \u0622\u0628\u06cc). \u0627\u06cc\u0646 \u0646\u0645\u0648\u062f\u0627\u0631 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u06a9\u062f JavaScript \u0634\u0645\u0627 \u0628\u0627 \u06af\u0630\u0634\u062a \u0632\u0645\u0627\u0646 \u0686\u0642\u062f\u0631 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\u0632\u0645\u06cc\u0646\u0647 \u0641\u0639\u0627\u0644 \u0627\u0633\u062a \u0648 \u0631\u0648\u06cc \u0646\u0645\u0648\u0646\u0647 \u0645\u0624\u0644\u0641\u0647 \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0647 \u0634\u062f\u0647 \u0648 \u0627\u0632 \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u0632\u0628\u0627\u0644\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>import { Component, OnInit, OnDestroy } from '@angular\/core';\nimport { interval, Subscription } from 'rxjs';\nimport { takeUntil } from 'rxjs\/operators';\nimport { Subject } from 'rxjs';\n\n@Component({\n  selector: 'app-leaky',\n  template: `<p>Leaky Component<\/p>`,\n})\nexport class LeakyComponent implements OnInit, OnDestroy {\n  private intervalSubscription: Subscription | undefined;\n  private destroy$ = new Subject<void>();\n\n  ngOnInit(): void {\n    this.intervalSubscription = interval(1000)\n      .pipe(takeUntil(this.destroy$)) \/\/ Prevents leak\n      .subscribe(() =&gt; {\n        console.log('Tick...');\n      });\n  }\n\n  ngOnDestroy(): void {\n    \/\/ Without this, the subscription would likely persist, causing a memory leak\n    if (this.intervalSubscription) {\n      this.intervalSubscription.unsubscribe();\n    }\n    this.destroy$.next();\n    this.destroy$.complete();\n  }\n}\n\n@Component({\n  selector: 'app-fixed',\n  template: `<p>Fixed Component<\/p>`,\n})\nexport class FixedComponent implements OnInit, OnDestroy {\n  private intervalSubscription: Subscription | undefined;\n\n  ngOnInit(): void {\n    this.intervalSubscription = interval(1000).subscribe(() =&gt; {\n      console.log('Tick (fixed)...');\n    });\n  }\n\n  ngOnDestroy(): void {\n    if (this.intervalSubscription) {\n      this.intervalSubscription.unsubscribe();\n    }\n  }\n}\n\n\/\/ Newer Angular versions often recommend using takeUntilDestroyed:\n\/\/ import { takeUntilDestroyed } from '@angular\/core\/rxjs';\n\/\/ ...\n\/\/ ngOnInit(): void {\n\/\/   interval(1000)\n\/\/     .pipe(takeUntilDestroyed(this.destroyRef))\n\/\/     .subscribe(() =&gt; {\n\/\/       console.log('Tick (modern Angular)...');\n\/\/     });\n\/\/ }\n<\/void><\/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>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\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>\u0631\u0627\u0647 \u062d\u0644\u061f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u067e\u0631\u0627\u062a\u0648\u0631\u0647\u0627 <strong>\u062f\u0627\u0631\u0627\u06cc \u06cc\u0627\u0628\u0646\u062f\u0631<\/strong> (\u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0646\u0633\u062e\u0647 \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f\u062a\u0631 \u0627\u0632 \u0632\u0627\u0648\u06cc\u0647 \u0627\u06cc) \u06cc\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u0633\u062a\u06cc \u0627\u0634\u062a\u0631\u0627\u06a9 \u062f\u0631 \u0645\u0624\u0644\u0641\u0647 \u0647\u0627 <strong>\u0646\u0627\u0644\u0647<\/strong> HOOK \u0686\u0631\u062e\u0647 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\u0642\u0633\u0645\u062a 2 \u060c<\/strong> \u0648 \u062f\u0631 \u0636\u0645\u0646 \u060c \u0634\u0631\u0648\u0639 \u0628\u0647 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0628\u0627 \u0632\u0628\u0627\u0646\u0647 \u0647\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0648 \u062d\u0627\u0641\u0638\u0647 \u062f\u0631 Devtools \u0645\u0631\u0648\u0631\u06af\u0631 \u062e\u0648\u062f \u06a9\u0646\u06cc\u062f. \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc \u0645\u0628\u0627\u0631\u06a9!<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u0645\u062a\u0648\u062c\u0647 \u0634\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0648\u0628 \u0634\u0645\u0627 \u0628\u0627 \u06af\u0630\u0634\u062a \u0632\u0645\u0627\u0646 \u0644\u0627\u063a\u0631 \u0645\u06cc \u0634\u0648\u062f\u061f \u06cc\u0627 \u0634\u0627\u06cc\u062f \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0628\u0647 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&hellip;<\/p>\n","protected":false},"author":2,"featured_media":110357,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/media2.dev.to\/dynamic\/image\/width=1000,height=500,fit=cover,gravity=auto,format=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fxm6txsklhj2dei2pqrqw.jpg","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-110356","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/110356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=110356"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/110356\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/110357"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=110356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=110356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=110356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}