{"id":103458,"date":"2025-03-28T01:03:50","date_gmt":"2025-03-27T20:33:50","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/"},"modified":"2025-03-28T01:03:50","modified_gmt":"2025-03-27T20:33:50","slug":"symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/","title":{"rendered":"Symbol.Iterator \u0648 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0633\u0641\u0627\u0631\u0634\u06cc"},"content":{"rendered":"<div data-article-id=\"2361263\" id=\"article-body\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D9%85%D9%82%D8%AF%D9%85%D9%87\" >\u0645\u0642\u062f\u0645\u0647<\/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\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D8%B2%D9%85%DB%8C%D9%86%D9%87_%D8%AA%D8%A7%D8%B1%DB%8C%D8%AE%DB%8C_%D9%88_%D9%81%D9%86%DB%8C\" >\u0632\u0645\u06cc\u0646\u0647 \u062a\u0627\u0631\u06cc\u062e\u06cc \u0648 \u0641\u0646\u06cc<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D8%AA%DA%A9%D8%A7%D9%85%D9%84_%D8%AA%DA%A9%D8%B1%D8%A7%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\" >\u062a\u06a9\u0627\u0645\u0644 \u062a\u06a9\u0631\u0627\u0631 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D8%AA%DA%A9%D8%B1%D8%A7%D8%B1_%D9%88_%D9%BE%D8%B1%D9%88%D8%AA%DA%A9%D9%84_%D9%87%D8%A7%DB%8C_%D9%82%D8%A7%D8%A8%D9%84_%D8%AA%DA%A9%D8%B1%D8%A7%D8%B1\" >\u062a\u06a9\u0631\u0627\u0631 \u0648 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D8%AA%D8%B9%D8%B1%DB%8C%D9%81_%D8%B1%D8%B3%D9%85%DB%8C\" >\u062a\u0639\u0631\u06cc\u0641 \u0631\u0633\u0645\u06cc<\/a><\/li><\/ul><\/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\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D9%86%D9%85%D9%88%D9%86%D9%87_%D9%87%D8%A7%DB%8C_%DA%A9%D8%AF_%D8%B9%D9%85%DB%8C%D9%82\" >\u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc \u06a9\u062f \u0639\u0645\u06cc\u0642<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D8%B3%D9%81%D8%A7%D8%B1%D8%B4%DB%8C_%D8%A7%D8%B3%D8%A7%D8%B3%DB%8C_%D9%82%D8%A7%D8%A8%D9%84_%D8%AA%DA%A9%D8%B1%D8%A7%D8%B1\" >\u0633\u0641\u0627\u0631\u0634\u06cc \u0627\u0633\u0627\u0633\u06cc \u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D8%B3%D9%81%D8%A7%D8%B1%D8%B4%DB%8C_%D9%BE%DB%8C%D8%B4%D8%B1%D9%81%D8%AA%D9%87_%D8%A8%D8%A7_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%D8%AE%D8%B7%D8%A7\" >\u0633\u0641\u0627\u0631\u0634\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062e\u0637\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D8%AA%DA%A9%D8%B1%D8%A7%D8%B1%D9%87%D8%A7%DB%8C_%D8%AF%D9%88_%D8%B7%D8%B1%D9%81%D9%87\" >\u062a\u06a9\u0631\u0627\u0631\u0647\u0627\u06cc \u062f\u0648 \u0637\u0631\u0641\u0647<\/a><\/li><\/ul><\/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\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D9%85%D9%82%D8%A7%DB%8C%D8%B3%D9%87_%D8%B1%D9%88%DB%8C%DA%A9%D8%B1%D8%AF%D9%87%D8%A7%DB%8C_%D8%AC%D8%A7%DB%8C%DA%AF%D8%B2%DB%8C%D9%86\" >\u0645\u0642\u0627\u06cc\u0633\u0647 \u0631\u0648\u06cc\u06a9\u0631\u062f\u0647\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D9%85%D8%AB%D8%A7%D9%84_%D9%81%DB%8C%D9%84%D8%AA%D8%B1_%D9%85%DB%8C%D8%B1%D8%A7%D8%AB_%D8%B1%D9%88%DB%8C%DA%A9%D8%B1%D8%AF_%D8%B3%D9%86%D8%AA%DB%8C\" >\u0645\u062b\u0627\u0644 \u0641\u06cc\u0644\u062a\u0631 \u0645\u06cc\u0631\u0627\u062b (\u0631\u0648\u06cc\u06a9\u0631\u062f \u0633\u0646\u062a\u06cc)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D9%81%DB%8C%D9%84%D8%AA%D8%B1_%D9%BE%D8%B1%D9%88%D8%AA%DA%A9%D9%84_%D8%AA%DA%A9%D8%B1%D8%A7%D8%B1\" >\u0641\u06cc\u0644\u062a\u0631 \u067e\u0631\u0648\u062a\u06a9\u0644 \u062a\u06a9\u0631\u0627\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D9%85%D9%88%D8%A7%D8%B1%D8%AF_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%AF%D8%B1_%D8%AF%D9%86%DB%8C%D8%A7%DB%8C_%D9%88%D8%A7%D9%82%D8%B9%DB%8C\" >\u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D9%85%D9%84%D8%A7%D8%AD%D8%B8%D8%A7%D8%AA_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF_%D9%88_%D8%A7%D8%B3%D8%AA%D8%B1%D8%A7%D8%AA%DA%98%DB%8C_%D9%87%D8%A7%DB%8C_%D8%A8%D9%87%DB%8C%D9%86%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C\" >\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0639\u0645\u0644\u06a9\u0631\u062f \u0648 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0647\u0627\u06cc \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D9%85%D8%B4%DA%A9%D9%84%D8%A7%D8%AA_%D8%A7%D8%AD%D8%AA%D9%85%D8%A7%D9%84%DB%8C_%D9%88_%D8%AA%DA%A9%D9%86%DB%8C%DA%A9_%D9%87%D8%A7%DB%8C_%D9%BE%DB%8C%D8%B4%D8%B1%D9%81%D8%AA%D9%87_%D8%A7%D8%B4%DA%A9%D8%A7%D9%84_%D8%B2%D8%AF%D8%A7%DB%8C%DB%8C\" >\u0645\u0634\u06a9\u0644\u0627\u062a \u0627\u062d\u062a\u0645\u0627\u0644\u06cc \u0648 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D9%BE%D8%A7%DB%8C%D8%A7%D9%86\" >\u067e\u0627\u06cc\u0627\u0646<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/nabfollower.com\/blog\/symbol-iterator-%d9%88-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84-%d9%87%d8%a7%db%8c-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c\/#%D9%85%D8%B7%D8%A7%D9%84%D8%B9%D9%87_%D8%A8%DB%8C%D8%B4%D8%AA%D8%B1_%D8%AA%D9%88%D8%B5%DB%8C%D9%87_%D9%85%DB%8C_%D8%B4%D9%88%D8%AF\" >\u0645\u0637\u0627\u0644\u0639\u0647 \u0628\u06cc\u0634\u062a\u0631 \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D9%82%D8%AF%D9%85%D9%87\"><\/span>\n<p>  \u0645\u0642\u062f\u0645\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>JavaScript \u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0632\u0628\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0648\u0628 \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a \u060c \u0627\u0632 \u0632\u0645\u0627\u0646 \u0622\u063a\u0627\u0632 \u0628\u0647 \u06a9\u0627\u0631 \u060c \u062f\u0633\u062a\u062e\u0648\u0634 \u062a\u062d\u0648\u0644\u0627\u062a \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a. \u062f\u0631 \u0645\u06cc\u0627\u0646 \u0627\u06cc\u0646 \u062a\u062d\u0648\u0644\u0627\u062a \u060c \u0645\u0639\u0631\u0641\u06cc <code>Symbol<\/code> \u0646\u0648\u0639 \u062f\u0631 ECMAScript 2015 (ES6) \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u062d\u0648\u0631\u06cc \u0628\u0647 \u0642\u0627\u0628\u0644\u06cc\u062a \u0647\u0627\u06cc \u0632\u0628\u0627\u0646 \u0631\u0627 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u062a\u0623\u062b\u06cc\u0631\u06af\u0630\u0627\u0631\u062a\u0631\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 <code>Symbol<\/code> \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 <code>Symbol.iterator<\/code> \u0627\u0645\u0644\u0627\u06a9 \u060c \u06a9\u0647 \u0646\u0642\u0634 \u0627\u0633\u0627\u0633\u06cc \u062f\u0631 \u0634\u062e\u0635\u06cc \u0633\u0627\u0632\u06cc \u0631\u0641\u062a\u0627\u0631 \u062a\u06a9\u0631\u0627\u0631 \u0628\u0631\u0627\u06cc \u0627\u0634\u06cc\u0627\u0621 \u062f\u0627\u0631\u062f. \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0639\u0645\u06cc\u0642\u0627\u064b \u0648\u0627\u0631\u062f \u0645\u06cc \u0634\u0648\u062f <code>Symbol.iterator<\/code>\u067e\u0631\u0648\u062a\u06a9\u0644 \u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0647 \u0622\u0646 \u0631\u0627 \u062a\u0633\u0647\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u062f \u060c \u0648 \u067e\u06cc\u0627\u0645\u062f\u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0648\u0627\u0631\u062f \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u0646\u062f\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u062f\u0631\u0646.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%B2%D9%85%DB%8C%D9%86%D9%87_%D8%AA%D8%A7%D8%B1%DB%8C%D8%AE%DB%8C_%D9%88_%D9%81%D9%86%DB%8C\"><\/span>\n<p>  \u0632\u0645\u06cc\u0646\u0647 \u062a\u0627\u0631\u06cc\u062e\u06cc \u0648 \u0641\u0646\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%D8%AA%DA%A9%D8%A7%D9%85%D9%84_%D8%AA%DA%A9%D8%B1%D8%A7%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\"><\/span>\n<p>  \u062a\u06a9\u0627\u0645\u0644 \u062a\u06a9\u0631\u0627\u0631 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0642\u0628\u0644 \u0627\u0632 \u0638\u0647\u0648\u0631 <code>Symbol.iterator<\/code>\u060c JavaScript \u062f\u0631 \u062f\u0631\u062c\u0647 \u0627\u0648\u0644 \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627 \u0648 \u0627\u0634\u06cc\u0627\u0621 \u0628\u0631\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0627\u0639\u062a\u0645\u0627\u062f \u062f\u0627\u0634\u062a \u060c \u0648 \u0627\u0632 \u0633\u0627\u0632\u0647 \u0647\u0627\u06cc \u062d\u0644\u0642\u0647 \u0627\u06cc \u0645\u0627\u0646\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f <code>for<\/code>\u0628\u0627 <code>for...in<\/code>\u0648\u062a <code>for...of<\/code>\u0628\u0634\u0631 \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0645\u0624\u062b\u0631 \u0627\u0633\u062a \u060c \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f\u0647\u0627 \u0641\u0627\u0642\u062f \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u06cc \u0628\u0648\u062f\u0647 \u0648 \u0627\u063a\u0644\u0628 \u0645\u0646\u062c\u0631 \u0628\u0647 \u06a9\u062f \u06a9\u0644\u0627\u0645\u06cc \u0645\u06cc \u0634\u0648\u0646\u062f.<\/p>\n<p>\u0628\u0627 ES6 \u060c \u0645\u0639\u0631\u0641\u06cc \u067e\u0631\u0648\u062a\u06a9\u0644 \u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631 \u0648 \u062a\u06a9\u0631\u0627\u0631 \u0633\u0627\u0632 \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u0642\u0648\u06cc \u062a\u0631\u06cc \u0628\u0631\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u062f\u0631 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f. upables \u0647\u0631 \u0634\u06cc\u0621 JavaScript \u0627\u0633\u062a \u06a9\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u062f <code>@@iterator<\/code> \u0631\u0648\u0634 \u060c \u0627\u0631\u062c\u0627\u0639 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 <code>Symbol.iterator<\/code>\u0628\u0634\u0631 \u0627\u06cc\u0646 \u0628\u0647 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u0646\u062f \u06a9\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0642\u0627\u0628\u0644 \u0639\u0628\u0648\u0631 \u0647\u0633\u062a\u0646\u062f <code>for...of<\/code> \u062d\u0644\u0642\u0647 \u060c \u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u06af\u0633\u062a\u0631\u0634 \u0648 \u0633\u0627\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%AA%DA%A9%D8%B1%D8%A7%D8%B1_%D9%88_%D9%BE%D8%B1%D9%88%D8%AA%DA%A9%D9%84_%D9%87%D8%A7%DB%8C_%D9%82%D8%A7%D8%A8%D9%84_%D8%AA%DA%A9%D8%B1%D8%A7%D8%B1\"><\/span>\n<p>  \u062a\u06a9\u0631\u0627\u0631 \u0648 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u067e\u0631\u0648\u062a\u06a9\u0644 \u062a\u06a9\u0631\u0627\u0631 \u06cc\u06a9 \u0631\u0648\u0634 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0628\u0631\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u062f\u0646\u0628\u0627\u0644\u0647 \u0627\u06cc \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u062f ( <code>next()<\/code> \u0631\u0648\u0634) \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0627 \u062a\u06a9\u0631\u0627\u0631. \u0627\u0632 \u0637\u0631\u0641 \u062f\u06cc\u06af\u0631 \u060c \u067e\u0631\u0648\u062a\u06a9\u0644 \u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631 \u060c \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646 \u06cc\u06a9 \u0634\u06cc \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0631\u062f <code>for...of<\/code> \u062d\u0644\u0642\u0647 \u06cc\u0627 \u0633\u0627\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631.<\/p>\n<p>\u0639\u0646\u0627\u0635\u0631 \u0627\u0635\u0644\u06cc \u0627\u06cc\u0646 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0647\u0627 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/p>\n<ul>\n<li>\n<strong>\u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631<\/strong>: \u06cc\u06a9 \u0634\u06cc\u0621 \u06a9\u0647 \u062f\u0631 \u0632\u06cc\u0631 \u0631\u0648\u0634 <code>Symbol.iterator<\/code> \u06a9\u0644\u06cc\u062f \u0627\u06cc\u0646 \u0631\u0648\u0634 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/li>\n<li>\n<strong>\u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647<\/strong>: \u0634\u06cc\u0626\u06cc \u06a9\u0647 a \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u062f <code>next()<\/code> \u0631\u0648\u0634 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u06cc\u06a9 \u0634\u06cc \u0631\u0627 \u0628\u0627 \u062f\u0648 \u0648\u06cc\u0698\u06af\u06cc \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f:<\/p>\n<ul>\n<li>\n<code>value<\/code>: \u0645\u0642\u062f\u0627\u0631 \u0641\u0639\u0644\u06cc \u062f\u0631 \u062a\u06a9\u0631\u0627\u0631.<\/li>\n<li>\n<code>done<\/code>: \u06cc\u06a9 \u0628\u0648\u0644\u06cc \u06a9\u0647 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0627\u0645\u0644 \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%D8%AA%D8%B9%D8%B1%DB%8C%D9%81_%D8%B1%D8%B3%D9%85%DB%8C\"><\/span>\n<p>  \u062a\u0639\u0631\u06cc\u0641 \u0631\u0633\u0645\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">iterable<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\n  <span class=\"p\">[<\/span><span class=\"nb\">Symbol<\/span><span class=\"p\">.<\/span><span class=\"nx\">iterator<\/span><span class=\"p\">]:<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">let<\/span> <span class=\"nx\">index<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">a<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">b<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">c<\/span><span class=\"dl\">'<\/span><span class=\"p\">];<\/span>\n    <span class=\"k\">return<\/span> <span class=\"p\">{<\/span>\n      <span class=\"na\">next<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">index<\/span> <span class=\"o\">&lt;<\/span> <span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">length<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n          <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">value<\/span><span class=\"p\">:<\/span> <span class=\"nx\">data<\/span><span class=\"p\">[<\/span><span class=\"nx\">index<\/span><span class=\"o\">++<\/span><span class=\"p\">],<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span> <span class=\"p\">};<\/span>\n        <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n          <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">};<\/span>\n        <span class=\"p\">}<\/span>\n      <span class=\"p\">}<\/span>\n    <span class=\"p\">};<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">};<\/span>\n\n<span class=\"k\">for <\/span><span class=\"p\">(<\/span><span class=\"kd\">const<\/span> <span class=\"nx\">item<\/span> <span class=\"k\">of<\/span> <span class=\"nx\">iterable<\/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=\"nx\">item<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Outputs 'a', 'b', 'c'<\/span>\n<span class=\"p\">}<\/span>\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=\"%D9%86%D9%85%D9%88%D9%86%D9%87_%D9%87%D8%A7%DB%8C_%DA%A9%D8%AF_%D8%B9%D9%85%DB%8C%D9%82\"><\/span>\n<p>  \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc \u06a9\u062f \u0639\u0645\u06cc\u0642<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%D8%B3%D9%81%D8%A7%D8%B1%D8%B4%DB%8C_%D8%A7%D8%B3%D8%A7%D8%B3%DB%8C_%D9%82%D8%A7%D8%A8%D9%84_%D8%AA%DA%A9%D8%B1%D8%A7%D8%B1\"><\/span>\n<p>  \u0633\u0641\u0627\u0631\u0634\u06cc \u0627\u0633\u0627\u0633\u06cc \u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u0633\u0641\u0627\u0631\u0634\u06cc \u060c \u0634\u06cc\u0621 \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 a \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f <code>Symbol.iterator<\/code> \u0631\u0648\u0634:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">MyRange<\/span> <span class=\"p\">{<\/span>\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">start<\/span><span class=\"p\">,<\/span> <span class=\"nx\">end<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">start<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">start<\/span><span class=\"p\">;<\/span>\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">end<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">end<\/span><span class=\"p\">;<\/span>\n  <span class=\"p\">}<\/span>\n\n  <span class=\"p\">[<\/span><span class=\"nb\">Symbol<\/span><span class=\"p\">.<\/span><span class=\"nx\">iterator<\/span><span class=\"p\">]()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">let<\/span> <span class=\"nx\">current<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">start<\/span><span class=\"p\">;<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"nx\">end<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">end<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"k\">return<\/span> <span class=\"p\">{<\/span>\n      <span class=\"nf\">next<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">current<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"nx\">end<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n          <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">value<\/span><span class=\"p\">:<\/span> <span class=\"nx\">current<\/span><span class=\"o\">++<\/span><span class=\"p\">,<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span> <span class=\"p\">};<\/span>\n        <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n          <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">};<\/span>\n        <span class=\"p\">}<\/span>\n      <span class=\"p\">}<\/span>\n    <span class=\"p\">};<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">range<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">MyRange<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">);<\/span>\n<span class=\"k\">for <\/span><span class=\"p\">(<\/span><span class=\"kd\">const<\/span> <span class=\"nx\">number<\/span> <span class=\"k\">of<\/span> <span class=\"nx\">range<\/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=\"nx\">number<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Outputs 1, 2, 3, 4, 5<\/span>\n<span class=\"p\">}<\/span>\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<h3><span class=\"ez-toc-section\" id=\"%D8%B3%D9%81%D8%A7%D8%B1%D8%B4%DB%8C_%D9%BE%DB%8C%D8%B4%D8%B1%D9%81%D8%AA%D9%87_%D8%A8%D8%A7_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%D8%AE%D8%B7%D8%A7\"><\/span>\n<p>  \u0633\u0641\u0627\u0631\u0634\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062e\u0637\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062a\u06a9\u0631\u0627\u0631\u0647\u0627\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0648\u0627\u0631\u062f \u0644\u0628\u0647 \u062e\u0627\u0635 \u0645\u0627\u0646\u0646\u062f \u0648\u0631\u0648\u062f\u06cc \u0646\u0627\u0645\u0639\u062a\u0628\u0631 \u0627\u0641\u0632\u0627\u06cc\u0634 \u06cc\u0627\u0628\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">SafeRange<\/span> <span class=\"p\">{<\/span>\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">start<\/span><span class=\"p\">,<\/span> <span class=\"nx\">end<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">start<\/span> <span class=\"o\">&gt;<\/span> <span class=\"nx\">end<\/span><span class=\"p\">)<\/span> <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Error<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Start must be less than or equal to end<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">start<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">start<\/span><span class=\"p\">;<\/span>\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">end<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">end<\/span><span class=\"p\">;<\/span>\n  <span class=\"p\">}<\/span>\n\n  <span class=\"p\">[<\/span><span class=\"nb\">Symbol<\/span><span class=\"p\">.<\/span><span class=\"nx\">iterator<\/span><span class=\"p\">]()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">let<\/span> <span class=\"nx\">current<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">start<\/span><span class=\"p\">;<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"nx\">end<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">end<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"k\">return<\/span> <span class=\"p\">{<\/span>\n      <span class=\"nf\">next<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">current<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"nx\">end<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n          <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">value<\/span><span class=\"p\">:<\/span> <span class=\"nx\">current<\/span><span class=\"o\">++<\/span><span class=\"p\">,<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span> <span class=\"p\">};<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">};<\/span>\n      <span class=\"p\">}<\/span>\n    <span class=\"p\">};<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\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<h3><span class=\"ez-toc-section\" id=\"%D8%AA%DA%A9%D8%B1%D8%A7%D8%B1%D9%87%D8%A7%DB%8C_%D8%AF%D9%88_%D8%B7%D8%B1%D9%81%D9%87\"><\/span>\n<p>  \u062a\u06a9\u0631\u0627\u0631\u0647\u0627\u06cc \u062f\u0648 \u0637\u0631\u0641\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u062a\u0631 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u06a9\u0631\u0627\u0631 \u062f\u0648 \u0637\u0631\u0641\u0647 (\u0631\u0648 \u0628\u0647 \u062c\u0644\u0648 \u0648 \u0639\u0642\u0628) \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f. \u06cc\u06a9 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0645\u062d\u0627\u0635\u0631\u0647 \u06a9\u0631\u062f\u0646 \u062d\u0627\u0644\u062a \u062f\u0631 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">BidirectionalRange<\/span> <span class=\"p\">{<\/span>\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">start<\/span><span class=\"p\">,<\/span> <span class=\"nx\">end<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">start<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">start<\/span><span class=\"p\">;<\/span>\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">end<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">end<\/span><span class=\"p\">;<\/span>\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">current<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">start<\/span><span class=\"p\">;<\/span> \n  <span class=\"p\">}<\/span>\n\n  <span class=\"p\">[<\/span><span class=\"nb\">Symbol<\/span><span class=\"p\">.<\/span><span class=\"nx\">iterator<\/span><span class=\"p\">]()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">current<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">start<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ Reset when creating a new iterator<\/span>\n    <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"p\">;<\/span>\n  <span class=\"p\">}<\/span>\n\n  <span class=\"nf\">next<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">current<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">end<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n      <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">value<\/span><span class=\"p\">:<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">current<\/span><span class=\"o\">++<\/span><span class=\"p\">,<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span> <span class=\"p\">};<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">};<\/span>\n  <span class=\"p\">}<\/span>\n\n  <span class=\"nf\">prev<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">current<\/span> <span class=\"o\">&gt;<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">start<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n      <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">value<\/span><span class=\"p\">:<\/span> <span class=\"o\">--<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">current<\/span><span class=\"p\">,<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span> <span class=\"p\">};<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">};<\/span>\n  <span class=\"p\">}<\/span>\n\n  <span class=\"nf\">hasNext<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">current<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">end<\/span><span class=\"p\">;<\/span>\n  <span class=\"p\">}<\/span>\n\n  <span class=\"nf\">hasPrev<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">current<\/span> <span class=\"o\">&gt;<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">start<\/span><span class=\"p\">;<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"kd\">let<\/span> <span class=\"nx\">range<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">BidirectionalRange<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">);<\/span>\n<span class=\"k\">for <\/span><span class=\"p\">(<\/span><span class=\"kd\">const<\/span> <span class=\"nx\">number<\/span> <span class=\"k\">of<\/span> <span class=\"nx\">range<\/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=\"nx\">number<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Outputs 1, 2, 3, 4, 5<\/span>\n<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\">range<\/span><span class=\"p\">.<\/span><span class=\"nf\">prev<\/span><span class=\"p\">());<\/span> <span class=\"c1\">\/\/ Outputs { value: 5, done: false }<\/span>\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=\"%D9%85%D9%82%D8%A7%DB%8C%D8%B3%D9%87_%D8%B1%D9%88%DB%8C%DA%A9%D8%B1%D8%AF%D9%87%D8%A7%DB%8C_%D8%AC%D8%A7%DB%8C%DA%AF%D8%B2%DB%8C%D9%86\"><\/span>\n<p>  \u0645\u0642\u0627\u06cc\u0633\u0647 \u0631\u0648\u06cc\u06a9\u0631\u062f\u0647\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0642\u0628\u0644 \u0627\u0632 \u0645\u0639\u0631\u0641\u06cc \u067e\u0631\u0648\u062a\u06a9\u0644 \u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u060c \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u063a\u0644\u0628 \u0627\u0632 \u0631\u0648\u0634\u0647\u0627\u06cc \u0633\u0646\u062a\u06cc \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u0646\u062f\u0647 \u0645\u0627\u0646\u0646\u062f \u0639\u0645\u0644\u06a9\u0631\u062f\u0647\u0627\u06cc \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u06cc\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0634\u0627\u062e\u0635 \u062f\u0633\u062a\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0631\u062f\u0646\u062f. \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0645\u0641\u06cc\u062f \u0628\u0648\u062f\u0646\u062f \u060c \u0645\u0632\u0627\u06cc\u0627\u06cc \u0622\u0646 <code>Symbol.iterator<\/code> \u0648 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u067e\u0631\u0648\u062a\u06a9\u0644 \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0645\u06cc \u0634\u0648\u062f \u0634\u0627\u0645\u0644 \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n<ol>\n<li>\n<strong>\u062b\u0628\u0627\u062a<\/strong>: \u062a\u06a9\u0631\u0627\u0631 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0647\u0631 \u062a\u06a9\u0631\u0627\u0631 \u0628\u0627 \u06cc\u06a9 \u0646\u062d\u0648 \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 (<code>for...of<\/code>).<\/li>\n<li>\n<strong>\u0642\u0627\u0628\u0644\u06cc\u062a \u062a\u0646\u0638\u06cc\u0645<\/strong>: \u062a\u0639\u0631\u06cc\u0641 \u0631\u0641\u062a\u0627\u0631\u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0633\u0641\u0627\u0631\u0634\u06cc \u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0641\u06cc\u0644\u062a\u0631 \u060c \u062a\u0628\u062f\u06cc\u0644 \u06cc\u0627 \u067e\u0631\u0634 \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u0628\u0627 \u062d\u062f\u0627\u0642\u0644 \u0633\u0631\u0628\u0627\u0631.<\/li>\n<li>\n<strong>\u0627\u062f\u063a\u0627\u0645<\/strong>: \u0627\u062f\u063a\u0627\u0645 \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0628\u0627 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0628\u0648\u0645\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u0627\u0646\u0646\u062f <code>Array.from<\/code>\u060c \u0646\u062d\u0648 \u0631\u0627 \u06af\u0633\u062a\u0631\u0634 \u062f\u0627\u062f\u0647 \u0648 \u062a\u062e\u0631\u06cc\u0628 \u06a9\u0646\u06cc\u062f.<\/li>\n<\/ol>\n<p>\u0646\u0645\u0648\u0646\u0647 \u0627\u06cc \u0627\u0632 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_%D9%81%DB%8C%D9%84%D8%AA%D8%B1_%D9%85%DB%8C%D8%B1%D8%A7%D8%AB_%D8%B1%D9%88%DB%8C%DA%A9%D8%B1%D8%AF_%D8%B3%D9%86%D8%AA%DB%8C\"><\/span>\n<p>  \u0645\u062b\u0627\u0644 \u0641\u06cc\u0644\u062a\u0631 \u0645\u06cc\u0631\u0627\u062b (\u0631\u0648\u06cc\u06a9\u0631\u062f \u0633\u0646\u062a\u06cc)<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">array<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">];<\/span>\n<span class=\"kd\">const<\/span> <span class=\"nx\">filteredArray<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span>\n<span class=\"k\">for <\/span><span class=\"p\">(<\/span><span class=\"kd\">let<\/span> <span class=\"nx\">i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span> <span class=\"nx\">i<\/span> <span class=\"o\">&lt;<\/span> <span class=\"nx\">array<\/span><span class=\"p\">.<\/span><span class=\"nx\">length<\/span><span class=\"p\">;<\/span> <span class=\"nx\">i<\/span><span class=\"o\">++<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n  <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">array<\/span><span class=\"p\">[<\/span><span class=\"nx\">i<\/span><span class=\"p\">]<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">2<\/span> <span class=\"o\">!==<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"nx\">filteredArray<\/span><span class=\"p\">.<\/span><span class=\"nf\">push<\/span><span class=\"p\">(<\/span><span class=\"nx\">array<\/span><span class=\"p\">[<\/span><span class=\"nx\">i<\/span><span class=\"p\">]);<\/span>\n<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\">filteredArray<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Outputs [1, 3, 5]<\/span>\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<h3><span class=\"ez-toc-section\" id=\"%D9%81%DB%8C%D9%84%D8%AA%D8%B1_%D9%BE%D8%B1%D9%88%D8%AA%DA%A9%D9%84_%D8%AA%DA%A9%D8%B1%D8%A7%D8%B1\"><\/span>\n<p>  \u0641\u06cc\u0644\u062a\u0631 \u067e\u0631\u0648\u062a\u06a9\u0644 \u062a\u06a9\u0631\u0627\u0631<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">EvenRange<\/span> <span class=\"p\">{<\/span>\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">start<\/span><span class=\"p\">,<\/span> <span class=\"nx\">end<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">start<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">start<\/span><span class=\"p\">;<\/span>\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">end<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">end<\/span><span class=\"p\">;<\/span>\n  <span class=\"p\">}<\/span>\n\n  <span class=\"p\">[<\/span><span class=\"nb\">Symbol<\/span><span class=\"p\">.<\/span><span class=\"nx\">iterator<\/span><span class=\"p\">]()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">let<\/span> <span class=\"nx\">current<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">start<\/span><span class=\"p\">;<\/span>\n    <span class=\"k\">return<\/span> <span class=\"p\">{<\/span>\n      <span class=\"na\">next<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">while <\/span><span class=\"p\">(<\/span><span class=\"nx\">current<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">end<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n          <span class=\"kd\">const<\/span> <span class=\"nx\">value<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">current<\/span><span class=\"o\">++<\/span><span class=\"p\">;<\/span>\n          <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">value<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">2<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n            <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">value<\/span><span class=\"p\">,<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span> <span class=\"p\">};<\/span>\n          <span class=\"p\">}<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">};<\/span>\n      <span class=\"p\">}<\/span>\n    <span class=\"p\">};<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">evens<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">EvenRange<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">10<\/span><span class=\"p\">);<\/span>\n<span class=\"k\">for <\/span><span class=\"p\">(<\/span><span class=\"kd\">const<\/span> <span class=\"nx\">number<\/span> <span class=\"k\">of<\/span> <span class=\"nx\">evens<\/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=\"nx\">number<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Outputs 2, 4, 6, 8, 10<\/span>\n<span class=\"p\">}<\/span>\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<h3><span class=\"ez-toc-section\" id=\"%D9%85%D9%88%D8%A7%D8%B1%D8%AF_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%AF%D8%B1_%D8%AF%D9%86%DB%8C%D8%A7%DB%8C_%D9%88%D8%A7%D9%82%D8%B9%DB%8C\"><\/span>\n<p>  \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>\n<p><strong>\u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc \u062a\u062c\u0633\u0645 \u062f\u0627\u062f\u0647<\/strong>: \u0643\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f D3.JS \u0627\u0632 \u062a\u06a9\u0631\u0627\u0631 \u0633\u0641\u0627\u0631\u0634\u06cc \u0628\u0631\u0627\u06cc \u0627\u062f\u0627\u0631\u0647 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0647\u0645\u0648\u0627\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0643\u0646\u0646\u062f \u060c \u0648 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u0631\u0627\u0626\u0647 \u0633\u0627\u062f\u0647 \u0639\u0646\u0627\u0635\u0631 \u0628\u0635\u0631\u06cc \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u0643\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0648\u0627\u06a9\u0646\u0634\u06cc<\/strong>: \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f RXJ \u0627\u0632 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631 \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u062a\u0648\u0627\u0644\u06cc \u0648\u0642\u0627\u06cc\u0639 \u06cc\u0627 \u062c\u0631\u06cc\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f \u0648 \u067e\u0627\u0631\u0627\u062f\u0627\u06cc\u0645 \u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0631\u0627 \u062f\u0631 JavaScript \u062a\u0633\u0647\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u062f\u0633\u062a \u0632\u062f\u0646 \u0628\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646<\/strong>: \u062a\u06a9\u0631\u0627\u0631\u0647\u0627 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 async \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0633\u0627\u0632\u0647 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u062c\u0641\u062a \u06a9\u0631\u062f <code>for await...of<\/code>\u060c \u0627\u0645\u06a9\u0627\u0646 \u067e\u0631\u062f\u0627\u0632\u0634 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0632\u06cc\u0628\u0627.<\/p>\n<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D9%84%D8%A7%D8%AD%D8%B8%D8%A7%D8%AA_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF_%D9%88_%D8%A7%D8%B3%D8%AA%D8%B1%D8%A7%D8%AA%DA%98%DB%8C_%D9%87%D8%A7%DB%8C_%D8%A8%D9%87%DB%8C%D9%86%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C\"><\/span>\n<p>  \u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0639\u0645\u0644\u06a9\u0631\u062f \u0648 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0647\u0627\u06cc \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u06a9\u0627\u0631\u0622\u06cc\u06cc \u062f\u0631 \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631 \u0627\u0633\u0627\u0633 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0627\u0633\u0627\u0633\u06cc \u0648 \u0645\u0646\u0637\u0642 \u062a\u06a9\u0631\u0627\u0631 \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0627\u0634\u062f. \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc \u060c \u0628\u0627\u06cc\u062f \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a:<\/p>\n<ol>\n<li>\n<p><strong>\u0628\u0647 \u062d\u062f\u0627\u0642\u0644 \u0631\u0633\u0627\u0646\u062f\u0646 \u062a\u062e\u0635\u06cc\u0635<\/strong>: \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0633\u0631\u0628\u0627\u0631 \u062d\u0627\u0641\u0638\u0647 \u060c \u0628\u0647 \u0648\u06cc\u0698\u0647 \u062f\u0631 \u0645\u0633\u06cc\u0631\u0647\u0627\u06cc \u062f\u0627\u063a \u06a9\u062f\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u06a9\u0631\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f \u060c \u0627\u0632 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u0646\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u062c\u0633\u062a\u062c\u0648\u06cc \u0648 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc<\/strong>: \u0627\u0632 \u067e\u06cc\u0627\u0645\u062f\u0647\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0648 \u062e\u0648\u0627\u0646\u062f\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627 \u062f\u0631 \u067e\u0631\u0648\u062a\u06a9\u0644 \u062a\u06a9\u0631\u0627\u0631 \u062e\u0648\u062f \u0622\u06af\u0627\u0647 \u0628\u0627\u0634\u06cc\u062f. \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627 \u062a\u0648\u0633\u0637 \u0634\u0627\u062e\u0635 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0633\u062a \u060c \u0627\u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u06af\u0630\u0631 \u0627\u0632 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u0645\u0631\u062a\u0628\u0637 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc O (N) \u0631\u0627 \u062a\u062d\u0645\u06cc\u0644 \u06a9\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u062e\u0627\u062a\u0645\u0647 \u0632\u0648\u062f\u0647\u0646\u06af\u0627\u0645<\/strong>: \u0647\u0646\u06af\u0627\u0645 \u0627\u062c\u0631\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631\u0647\u0627\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u060c \u0628\u0647 \u0648\u06cc\u0698\u0647 \u062f\u0631 \u0645\u0648\u0627\u0631\u062f\u06cc \u0645\u0627\u0646\u0646\u062f \u0641\u06cc\u0644\u062a\u0631 \u06cc\u0627 \u062c\u0633\u062a\u062c\u0648 \u060c \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0647\u0627\u06cc \u062e\u0631\u0648\u062c \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0628\u0647 \u062d\u062f\u0627\u0642\u0644 \u0631\u0633\u0627\u0646\u062f\u0646 \u0632\u0645\u0627\u0646 \u062a\u06a9\u0631\u0627\u0631 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f. \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0627\u0632 <code>done<\/code> \u0628\u0631\u0631\u0633\u06cc \u062f\u0631 \u0645\u06a9\u0627\u0646 \u0647\u0627\u06cc \u0645\u0646\u0627\u0633\u0628 \u06a9\u0647 \u06cc\u06a9 \u062f\u0646\u0628\u0627\u0644\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0632\u0648\u062f\u0631\u0633 \u062e\u0627\u062a\u0645\u0647 \u06cc\u0627\u0628\u062f.<\/p>\n<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%B4%DA%A9%D9%84%D8%A7%D8%AA_%D8%A7%D8%AD%D8%AA%D9%85%D8%A7%D9%84%DB%8C_%D9%88_%D8%AA%DA%A9%D9%86%DB%8C%DA%A9_%D9%87%D8%A7%DB%8C_%D9%BE%DB%8C%D8%B4%D8%B1%D9%81%D8%AA%D9%87_%D8%A7%D8%B4%DA%A9%D8%A7%D9%84_%D8%B2%D8%AF%D8%A7%DB%8C%DB%8C\"><\/span>\n<p>  \u0645\u0634\u06a9\u0644\u0627\u062a \u0627\u062d\u062a\u0645\u0627\u0644\u06cc \u0648 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li>\n<p><strong>\u062d\u0644\u0642\u0647 \u0647\u0627\u06cc \u0646\u0627\u0645\u062a\u0646\u0627\u0647\u06cc<\/strong>: \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0634\u0645\u0627 \u0627\u0632 \u0648\u0636\u0639\u06cc\u062a \u062e\u0631\u0648\u062c \u062f\u0631\u0633\u062a \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0627\u0633\u062a. \u0627\u0632 \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc \u06a9\u0646\u0633\u0648\u0644 \u06cc\u0627 \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u062f\u0631 \u062f\u0627\u062e\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>next()<\/code> \u0631\u0648\u0634 \u0631\u062f\u06cc\u0627\u0628\u06cc \u0631\u0641\u062a\u0627\u0631 \u062f\u0631 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647.<\/p>\n<\/li>\n<li>\n<p><strong>\u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0648\u0644\u062a<\/strong>: \u0627\u06af\u0631 \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u0646\u062f\u0647 \u06cc\u0627 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0634\u0645\u0627 \u062d\u0627\u0644\u062a \u062e\u0627\u0631\u062c\u06cc \u0631\u0627 \u062d\u0641\u0638 \u0645\u06cc \u06a9\u0646\u062f \u060c \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0648\u0644\u062a \u062f\u0631 \u0635\u0648\u0631\u062a \u0644\u0632\u0648\u0645 \u062a\u0646\u0638\u06cc\u0645 \u0645\u062c\u062f\u062f \u0645\u06cc \u0634\u0648\u062f \u062a\u0627 \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0627\u0632 \u0646\u062a\u0627\u06cc\u062c \u0646\u0627\u062e\u0648\u0627\u0633\u062a\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0634\u0648\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u0633\u0627\u0632\u06af\u0627\u0631\u06cc \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634<\/strong>: \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc \u062a\u06a9\u0631\u0627\u0631\u0647\u0627\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0622\u0632\u0645\u0627\u06cc\u0634 \u062c\u0627\u0645\u0639 \u062f\u0631 \u0645\u062d\u06cc\u0637 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0648 \u0645\u0648\u0627\u0631\u062f \u0644\u0628\u0647 \u062f\u0627\u0631\u062f. \u0639\u0645\u0644\u06a9\u0631\u062f \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0631 \u0627\u0633\u0627\u0633 \u0646\u0633\u062e\u0647 ES \u06a9\u0645\u06cc \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0627\u0634\u062f \u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0628\u0627\u06cc\u062f \u0634\u0627\u0645\u0644 \u0646\u0633\u062e\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0645\u0631\u0648\u0631\u06af\u0631 \u0648 Node.js \u0628\u0627\u0634\u062f.<\/p>\n<\/li>\n<\/ol>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"c1\">\/\/ Example of Ensuring State Reset<\/span>\n<span class=\"kd\">class<\/span> <span class=\"nc\">StateTracker<\/span> <span class=\"p\">{<\/span>\n  <span class=\"nf\">constructor<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">state<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ Initialize state<\/span>\n  <span class=\"p\">}<\/span>\n\n  <span class=\"p\">[<\/span><span class=\"nb\">Symbol<\/span><span class=\"p\">.<\/span><span class=\"nx\">iterator<\/span><span class=\"p\">]()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"c1\">\/\/ Reset state for a new iteration<\/span>\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">state<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\n    <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"p\">;<\/span>\n  <span class=\"p\">}<\/span>\n\n  <span class=\"nf\">next<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"c1\">\/\/ Replace with iteration logic<\/span>\n    <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">state<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"mi\">10<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n      <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">};<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">value<\/span><span class=\"p\">:<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">state<\/span><span class=\"o\">++<\/span><span class=\"p\">,<\/span> <span class=\"na\">done<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span> <span class=\"p\">};<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\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=\"%D9%BE%D8%A7%DB%8C%D8%A7%D9%86\"><\/span>\n<p>  \u067e\u0627\u06cc\u0627\u0646<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>Symbol.iterator<\/code>  \u0648 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0647 \u0622\u0646 \u0631\u0627 \u062a\u0633\u0647\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u062f \u060c \u0638\u0631\u0627\u0641\u062a \u0648 \u0642\u062f\u0631\u062a \u0641\u0644\u0633\u0641\u0647 \u0637\u0631\u0627\u062d\u06cc JavaScript \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f. \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0628\u0627 \u062a\u0647\u06cc\u0647 \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u0628\u0631\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u060c \u0633\u0627\u0632\u06af\u0627\u0631 \u0648 \u0642\u0627\u0628\u0644 \u062a\u0646\u0638\u06cc\u0645 \u060c \u0633\u0637\u062d \u062c\u062f\u06cc\u062f\u06cc \u0627\u0632 \u0628\u06cc\u0627\u0646 \u0631\u0627 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0628\u0627\u0632 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc \u06a9\u062f \u0648 \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a \u060c \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0631\u0627 \u0633\u0627\u062f\u0647 \u06a9\u0646\u0646\u062f \u060c \u0627\u062f\u063a\u0627\u0645 \u0628\u0627 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc \u0645\u062f\u0631\u0646 \u0631\u0627 \u062a\u0633\u0647\u06cc\u0644 \u06a9\u0646\u0646\u062f \u0648 \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc \u06a9\u062f \u0631\u0627 \u062a\u0642\u0648\u06cc\u062a \u06a9\u0646\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u067e\u062a\u0627\u0646\u0633\u06cc\u0644 \u06af\u0633\u062a\u0631\u062f\u0647 \u0627\u0633\u062a \u060c \u062f\u0631\u06a9 \u062c\u0627\u0645\u0639 \u0627\u0632 \u067e\u06cc\u0627\u0645\u062f\u0647\u0627 \u0648 \u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u062a\u06a9\u0631\u0627\u0631\u0647\u0627 \u060c \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u0631\u0634\u062f \u0631\u0627 \u0628\u0647 \u0645\u0647\u0627\u0631\u062a \u0647\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u06a9\u062f \u0642\u0648\u06cc \u060c \u06a9\u0627\u0631\u0622\u0645\u062f \u0648 \u0633\u0627\u062e\u062a\u0627\u0631 \u06cc\u0627\u0641\u062a\u0647 \u0645\u062c\u0647\u0632 \u0645\u06cc \u06a9\u0646\u062f. \u0628\u0631\u0627\u06cc \u0627\u06a9\u062a\u0634\u0627\u0641\u0627\u062a \u0628\u06cc\u0634\u062a\u0631 \u060c \u0645\u0631\u0627\u062c\u0639\u0647 \u0628\u0647 \u0627\u0633\u0646\u0627\u062f \u0648\u0628 MDN \u0631\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u062a\u06a9\u0631\u0627\u0631\u0647\u0627 \u0648 \u0698\u0646\u0631\u0627\u062a\u0648\u0631\u0647\u0627 \u0648 \u0633\u0627\u06cc\u0631 \u0627\u062f\u0628\u06cc\u0627\u062a \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%B7%D8%A7%D9%84%D8%B9%D9%87_%D8%A8%DB%8C%D8%B4%D8%AA%D8%B1_%D8%AA%D9%88%D8%B5%DB%8C%D9%87_%D9%85%DB%8C_%D8%B4%D9%88%D8%AF\"><\/span>\n<p>  \u0645\u0637\u0627\u0644\u0639\u0647 \u0628\u06cc\u0634\u062a\u0631 \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\u0645\u0634\u062e\u0635\u0627\u062a \u0632\u0628\u0627\u0646 ECMAScript\u00ae 2015<\/li>\n<li>&#8220;\u062f\u0631\u06a9 Ecmascript 6&#8221; \u062a\u0648\u0633\u0637 \u0646\u06cc\u06a9\u0644\u0627\u0633 C. \u0632\u0627\u06a9\u0627\u0633<\/li>\n<li>&#8220;\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a: \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0642\u0637\u0639\u06cc&#8221; \u062a\u0648\u0633\u0637 \u062f\u06cc\u0648\u06cc\u062f \u0641\u0644\u0627\u0646\u0627\u06af\u0627\u0646<\/li>\n<li>\u0645\u0641\u0627\u0647\u06cc\u0645 \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 JavaScript \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f Masters Frontend \u0648 Egghead.io<\/li>\n<\/ul>\n<p>\u0628\u0647 \u0637\u0648\u0631 \u062e\u0644\u0627\u0635\u0647 \u060c <code>Symbol.iterator<\/code> \u0648 \u062a\u06a9\u0631\u0627\u0631\u0647\u0627\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u0634\u062e\u0635\u0647 \u0627\u06cc \u0627\u0632 \u062a\u06a9\u0627\u0645\u0644 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u06cc\u0633\u062a\u0627\u062f\u0647 \u0627\u0646\u062f \u0648 \u0647\u0645 \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u06cc \u0648 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0622\u0646 \u0631\u0627 \u0645\u062c\u0633\u0645 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0645\u0642\u062f\u0645\u0647 JavaScript \u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0632\u0628\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0648\u0628 \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a \u060c \u0627\u0632 \u0632\u0645\u0627\u0646 \u0622\u063a\u0627\u0632 \u0628\u0647 \u06a9\u0627\u0631 \u060c \u062f\u0633\u062a\u062e\u0648\u0634 \u062a\u062d\u0648\u0644\u0627\u062a \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a. \u062f\u0631 \u0645\u06cc\u0627\u0646 \u0627\u06cc\u0646 \u062a\u062d\u0648\u0644\u0627\u062a \u060c \u0645\u0639\u0631\u0641\u06cc Symbol \u0646\u0648\u0639 \u062f\u0631 ECMAScript 2015 (ES6) \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u062d\u0648\u0631\u06cc \u0628\u0647 \u0642\u0627\u0628\u0644\u06cc\u062a \u0647\u0627\u06cc \u0632\u0628\u0627\u0646 \u0631\u0627 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u062a\u0623\u062b\u06cc\u0631\u06af\u0630\u0627\u0631\u062a\u0631\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 Symbol \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":103459,"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%2Fm4w8i2iounx98kc07e9t.png","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-103458","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\/103458","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=103458"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/103458\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/103459"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=103458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=103458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=103458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}