{"id":11362,"date":"2026-09-23T09:00:00","date_gmt":"2026-09-23T09:00:00","guid":{"rendered":"https:\/\/otus.ru\/journal\/?p=11362"},"modified":"2026-09-23T16:11:44","modified_gmt":"2026-09-23T16:11:44","slug":"biblioteka-jquery-opisanie-i-oblasti-primeneniya","status":"publish","type":"post","link":"https:\/\/otus.ru\/journal\/biblioteka-jquery-opisanie-i-oblasti-primeneniya\/","title":{"rendered":"\u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 jQuery: \u0447\u0442\u043e \u044d\u0442\u043e, \u043a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0438 \u0433\u0434\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0441\u0435\u0439\u0447\u0430\u0441"},"content":{"rendered":"<p><strong>jQuery<\/strong> &#8212; \u044d\u0442\u043e JavaScript-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441\u043e \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435\u0439 \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435: \u043e\u043d\u0430 \u043d\u0430\u0445\u043e\u0434\u0438\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u043f\u043e CSS-\u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u0430\u043c, \u043c\u0435\u043d\u044f\u0435\u0442 DOM, \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0441\u043e\u0431\u044b\u0442\u0438\u0439 \u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442 AJAX-\u0437\u0430\u043f\u0440\u043e\u0441\u044b \u0447\u0435\u0440\u0435\u0437 \u043a\u043e\u0440\u043e\u0442\u043a\u0438\u0439 \u0435\u0434\u0438\u043d\u044b\u0439 API. \u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 \u0432\u044b\u043f\u0443\u0441\u0442\u0438\u043b \u0414\u0436\u043e\u043d \u0420\u0435\u0437\u0438\u0433 \u0432 2006 \u0433\u043e\u0434\u0443, \u0441\u0435\u0439\u0447\u0430\u0441 \u0435\u0435 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 OpenJS Foundation, \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044f MIT. \u0410\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u0430\u044f \u0432\u0435\u0442\u043a\u0430 \u043d\u0430 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044c 2026 &#8212; jQuery 4.x (4.0.0 \u0432\u044b\u0448\u043b\u0430 \u0432 \u044f\u043d\u0432\u0430\u0440\u0435 2026).<\/p>\n<div class=\"oj-toc\" style=\"background:#f6f6f6;border-radius:8px;padding:14px 20px;margin:20px 0\">\n<p><strong>\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435<\/strong><\/p>\n<ol>\n<li><a href=\"#s1\">\u041c\u0438\u043d\u0438-\u0441\u043b\u043e\u0432\u0430\u0440\u044c: \u0447\u0442\u043e \u0441 \u0447\u0435\u043c \u043d\u0435 \u043f\u0443\u0442\u0430\u0442\u044c<\/a><\/li>\n<li><a href=\"#s2\">\u0417\u0430\u0447\u0435\u043c jQuery \u043f\u043e\u044f\u0432\u0438\u043b\u0430\u0441\u044c \u0438 \u043f\u043e\u0447\u0435\u043c\u0443 \u0435\u0435 \u0441\u0442\u0430\u0442\u0443\u0441 \u0438\u0437\u043c\u0435\u043d\u0438\u043b\u0441\u044f<\/a><\/li>\n<li><a href=\"#s3\">\u041a\u0430\u043a \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0438\u0442\u044c<\/a><\/li>\n<li><a href=\"#s4\">\u041f\u043e\u043b\u043d\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440: \u0441\u043f\u0438\u0441\u043e\u043a \u0437\u0430\u0434\u0430\u0447<\/a><\/li>\n<li><a href=\"#s5\">\u0420\u0430\u0437\u0431\u043e\u0440 \u043f\u043e \u0441\u0442\u0440\u043e\u043a\u0430\u043c: \u0447\u0435\u0442\u044b\u0440\u0435 \u043e\u043f\u043e\u0440\u044b jQuery<\/a><\/li>\n<li><a href=\"#s6\">\u0422\u0438\u043f\u043e\u0432\u044b\u0435 \u043e\u0448\u0438\u0431\u043a\u0438: \u043d\u0435\u0432\u0435\u0440\u043d\u043e -&gt; \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 -&gt; \u043a\u0430\u043a \u0438\u0441\u043f\u0440\u0430\u0432\u0438\u0442\u044c<\/a><\/li>\n<li><a href=\"#s7\">AJAX \u0432 jQuery \u0438 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 fetch<\/a><\/li>\n<li><a href=\"#s8\">\u041d\u0430\u0442\u0438\u0432\u043d\u044b\u0435 \u0430\u043d\u0430\u043b\u043e\u0433\u0438: \u0442\u0430\u0431\u043b\u0438\u0446\u0430 \u0437\u0430\u043c\u0435\u043d<\/a><\/li>\n<li><a href=\"#s9\">\u041a\u043e\u0433\u0434\u0430 jQuery \u0443\u043c\u0435\u0441\u0442\u043d\u0430, \u0430 \u043a\u043e\u0433\u0434\u0430 \u043d\u0435\u0442<\/a><\/li>\n<li><a href=\"#s10\">\u0412\u044b\u0432\u043e\u0434\u044b<\/a><\/li>\n<li><a href=\"#s11\">\u0413\u0434\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \/ \u0441\u0432\u044f\u0437\u044c \u0441 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0439<\/a><\/li>\n<li><a href=\"#s12\">FAQ<\/a><\/li>\n<\/ol>\n<\/div>\n<p>\u041d\u0438\u0436\u0435 &#8212; \u043f\u043e\u043b\u043d\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 \u0441 \u0440\u0430\u0437\u0431\u043e\u0440\u043e\u043c, \u0442\u0438\u043f\u043e\u0432\u044b\u0435 \u043e\u0448\u0438\u0431\u043a\u0438, AJAX \u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u0430 \u0437\u0430\u043c\u0435\u043d \u043d\u0430 \u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 JavaScript. \u0410\u043d\u0438\u043c\u0430\u0446\u0438\u0438 \u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c \u0437\u0430 \u0440\u0430\u043c\u043a\u0430\u043c\u0438.<\/p>\n<h2 id=\"s1\">\u041c\u0438\u043d\u0438-\u0441\u043b\u043e\u0432\u0430\u0440\u044c: \u0447\u0442\u043e \u0441 \u0447\u0435\u043c \u043d\u0435 \u043f\u0443\u0442\u0430\u0442\u044c<\/h2>\n<ul>\n<li><strong>DOM<\/strong> &#8212; \u0434\u0435\u0440\u0435\u0432\u043e \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0431\u0440\u0430\u0443\u0437\u0435\u0440 \u043f\u0440\u0435\u0432\u0440\u0430\u0449\u0430\u0435\u0442 HTML. jQuery \u043d\u0435 \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442 DOM, \u0430 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043f\u043e\u0432\u0435\u0440\u0445 \u043d\u0435\u0433\u043e.<\/li>\n<li><strong>jQuery-\u043e\u0431\u044a\u0435\u043a\u0442<\/strong> (<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$(\"li\")<\/code>) &#8212; \u043e\u0431\u0435\u0440\u0442\u043a\u0430 \u043d\u0430\u0434 \u043d\u0430\u0431\u043e\u0440\u043e\u043c \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u0445 DOM-\u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432. \u0414\u0430\u0436\u0435 \u0435\u0441\u043b\u0438 \u043d\u0430\u0439\u0434\u0435\u043d \u043e\u0434\u0438\u043d \u044d\u043b\u0435\u043c\u0435\u043d\u0442, \u044d\u0442\u043e \u043d\u0430\u0431\u043e\u0440, \u0430 \u043d\u0435 \u0441\u0430\u043c \u044d\u043b\u0435\u043c\u0435\u043d\u0442.<\/li>\n<li><strong>DOM-\u044d\u043b\u0435\u043c\u0435\u043d\u0442<\/strong> &#8212; \u0442\u043e, \u0447\u0442\u043e \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">document.querySelector()<\/code>. \u0415\u0433\u043e \u043c\u0435\u0442\u043e\u0434\u044b (<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">classList<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">textContent<\/code>) \u0443 jQuery-\u043e\u0431\u044a\u0435\u043a\u0442\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0442, \u0438 \u043d\u0430\u043e\u0431\u043e\u0440\u043e\u0442.<\/li>\n<li><strong>jQuery UI<\/strong> &#8212; \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u0430\u044f \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u0432\u0438\u0434\u0436\u0435\u0442\u043e\u0432 \u043f\u043e\u0432\u0435\u0440\u0445 jQuery (\u043a\u0430\u043b\u0435\u043d\u0434\u0430\u0440\u044c, \u0434\u0438\u0430\u043b\u043e\u0433\u0438, \u043f\u0435\u0440\u0435\u0442\u0430\u0441\u043a\u0438\u0432\u0430\u043d\u0438\u0435). <strong>jQuery Mobile<\/strong> &#8212; \u0431\u044b\u0432\u0448\u0438\u0439 \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430, \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u043d\u044b\u0439; \u0434\u043b\u044f \u043d\u043e\u0432\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u043d\u0435 \u043f\u043e\u0434\u0445\u043e\u0434\u0438\u0442.<\/li>\n<\/ul>\n<h2 id=\"s2\">\u0417\u0430\u0447\u0435\u043c jQuery \u043f\u043e\u044f\u0432\u0438\u043b\u0430\u0441\u044c \u0438 \u043f\u043e\u0447\u0435\u043c\u0443 \u0435\u0435 \u0441\u0442\u0430\u0442\u0443\u0441 \u0438\u0437\u043c\u0435\u043d\u0438\u043b\u0441\u044f<\/h2>\n<p>\u0412 \u043a\u043e\u043d\u0446\u0435 2000-\u0445 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u044b \u043f\u043e-\u0440\u0430\u0437\u043d\u043e\u043c\u0443 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u044b\u0432\u0430\u043b\u0438 \u0441\u043e\u0431\u044b\u0442\u0438\u044f, \u0432\u044b\u0431\u043e\u0440\u043a\u0443 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0438 XMLHttpRequest. jQuery \u0441\u043f\u0440\u044f\u0442\u0430\u043b\u0430 \u044d\u0442\u0438 \u0440\u0430\u0437\u043b\u0438\u0447\u0438\u044f \u0437\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u0435\u0439 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$()<\/code> \u0438 \u0446\u0435\u043f\u043e\u0447\u043a\u0430\u043c\u0438 \u043c\u0435\u0442\u043e\u0434\u043e\u0432: \u00ab\u043d\u0430\u0439\u0434\u0438 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b -&gt; \u0441\u0434\u0435\u043b\u0430\u0439 \u0441 \u043d\u0438\u043c\u0438 \u0447\u0442\u043e-\u0442\u043e\u00bb.<\/p>\n<p>\u0421 \u0442\u0435\u0445 \u043f\u043e\u0440 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u0434\u043e\u0433\u043d\u0430\u043b \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443. \u0412 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430\u0445 \u0435\u0441\u0442\u044c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">querySelectorAll<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">classList<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">closest<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">addEventListener<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">fetch<\/code>. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u0432 2026 \u0433\u043e\u0434\u0443 jQuery &#8212; \u044d\u0442\u043e <strong>legacy-\u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f<\/strong>: \u043e\u043d\u0430 \u0436\u0438\u0432\u0430\u044f \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f, \u043d\u043e \u0434\u043b\u044f \u043d\u043e\u0432\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u0435\u0435 \u043e\u0431\u044b\u0447\u043d\u043e \u043d\u0435 \u0432\u044b\u0431\u0438\u0440\u0430\u044e\u0442.<\/p>\n<p>\u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u043e\u0441\u0442\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u0431\u043e\u043b\u044c\u0448\u043e\u0439 \u0434\u043e\u043b\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0441\u0430\u0439\u0442\u043e\u0432. \u0413\u043b\u0430\u0432\u043d\u044b\u0435 \u043f\u0440\u0438\u0447\u0438\u043d\u044b &#8212; WordPress (jQuery \u0432\u0445\u043e\u0434\u0438\u0442 \u0432 \u0435\u0433\u043e \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0443, \u043e\u0442 \u043d\u0435\u0435 \u0437\u0430\u0432\u0438\u0441\u044f\u0442 \u043c\u043d\u043e\u0433\u0438\u0435 \u0442\u0435\u043c\u044b \u0438 \u043f\u043b\u0430\u0433\u0438\u043d\u044b), \u0441\u0442\u0430\u0440\u044b\u0435 \u0430\u0434\u043c\u0438\u043d\u043a\u0438 \u0438 \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u044b\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b, \u043f\u043b\u0430\u0433\u0438\u043d\u044b, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0435 \u043f\u043e\u0434 jQuery. Bootstrap \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 5-\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u043e\u0442 jQuery \u043d\u0435 \u0437\u0430\u0432\u0438\u0441\u0438\u0442.<\/p>\n<h2 id=\"s3\">\u041a\u0430\u043a \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0438\u0442\u044c<\/h2>\n<p>\u0414\u0432\u0430 \u0440\u0430\u0431\u043e\u0447\u0438\u0445 \u0441\u043f\u043e\u0441\u043e\u0431\u0430:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\">npm<span style=\"color: #ABB2BF\"> <\/span>install<span style=\"color: #ABB2BF\"> <\/span>jquery<\/code><\/pre>\n<p>\u041f\u043e\u0441\u043b\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0444\u0430\u0439\u043b \u043b\u0435\u0436\u0438\u0442 \u0432 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">node_modules\/jquery\/dist\/jquery.min.js<\/code>: \u0435\u0433\u043e \u043c\u043e\u0436\u043d\u043e \u0441\u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0432 \u0441\u0442\u0430\u0442\u0438\u043a\u0443 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0438\u043b\u0438 \u0438\u043c\u043f\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0447\u0435\u0440\u0435\u0437 \u0441\u0431\u043e\u0440\u0449\u0438\u043a. \u0412\u0442\u043e\u0440\u043e\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 &#8212; \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0444\u0430\u0439\u043b \u0441 \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0433\u043e CDN \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043f\u043e \u0430\u0434\u0440\u0435\u0441\u0443, \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u043c\u0443 \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 jQuery. \u0421\u0431\u043e\u0440\u043a\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jquery.slim.min.js<\/code> \u043b\u0435\u0433\u0447\u0435, \u043d\u043e \u0432 \u043d\u0435\u0439 \u043d\u0435\u0442 AJAX \u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u043e\u0432.<\/p>\n<h2 id=\"s4\">\u041f\u043e\u043b\u043d\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440: \u0441\u043f\u0438\u0441\u043e\u043a \u0437\u0430\u0434\u0430\u0447<\/h2>\n<p>\u0421\u043d\u0430\u0447\u0430\u043b\u0430 \u0446\u0435\u043b\u0438\u043a\u043e\u043c \u0440\u0430\u0431\u043e\u0447\u0430\u044f \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0430. \u0421\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u0435 \u0435\u0435 \u0440\u044f\u0434\u043e\u043c \u0441 \u0444\u0430\u0439\u043b\u043e\u043c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jquery.min.js<\/code> \u0438 \u043e\u0442\u043a\u0440\u043e\u0439\u0442\u0435 \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435.<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #7F848E\">&lt;!doctype html&gt;<\/span>\n<span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">html<\/span> <span style=\"color: #E06C75\">lang<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"ru\"<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">head<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n  <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">meta<\/span> <span style=\"color: #E06C75\">charset<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"utf-8\"<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n  <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\u0417\u0430\u0434\u0430\u0447\u0438 \u043d\u0430 jQuery<span style=\"color: #ABB2BF\">&lt;\/<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n  <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">style<\/span><span style=\"color: #ABB2BF\">&gt;.<\/span><span style=\"color: #E5C07B\">done<\/span><span style=\"color: #ABB2BF\"> { <\/span><span style=\"color: #C678DD\">text-decoration<\/span><span style=\"color: #ABB2BF\">: <\/span><span style=\"color: #E5C07B\">line-through<\/span><span style=\"color: #ABB2BF\">; <\/span><span style=\"color: #C678DD\">color<\/span><span style=\"color: #ABB2BF\">: <\/span><span style=\"color: #E5C07B\">gray<\/span><span style=\"color: #ABB2BF\">; }&lt;\/<\/span><span style=\"color: #E06C75\">style<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">&lt;\/<\/span><span style=\"color: #E06C75\">head<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">body<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n  <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">input<\/span> <span style=\"color: #E06C75\">id<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"title\"<\/span> <span style=\"color: #E06C75\">placeholder<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"\u041d\u043e\u0432\u0430\u044f \u0437\u0430\u0434\u0430\u0447\u0430\"<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n  <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">button<\/span> <span style=\"color: #E06C75\">id<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"add\"<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\u0414\u043e\u0431\u0430\u0432\u0438\u0442\u044c<span style=\"color: #ABB2BF\">&lt;\/<\/span><span style=\"color: #E06C75\">button<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n  <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">ul<\/span> <span style=\"color: #E06C75\">id<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"tasks\"<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n    <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">li<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\u041f\u0440\u043e\u0447\u0438\u0442\u0430\u0442\u044c \u043f\u0440\u043e DOM<span style=\"color: #ABB2BF\">&lt;\/<\/span><span style=\"color: #E06C75\">li<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n  <span style=\"color: #ABB2BF\">&lt;\/<\/span><span style=\"color: #E06C75\">ul<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n  <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">p<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\u041e\u0441\u0442\u0430\u043b\u043e\u0441\u044c: <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">span<\/span> <span style=\"color: #E06C75\">id<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"left\"<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>1<span style=\"color: #ABB2BF\">&lt;\/<\/span><span style=\"color: #E06C75\">span<\/span><span style=\"color: #ABB2BF\">&gt;&lt;\/<\/span><span style=\"color: #E06C75\">p<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n\n  <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">script<\/span> <span style=\"color: #E06C75\">src<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"jquery.min.js\"<\/span><span style=\"color: #ABB2BF\">&gt;&lt;\/<\/span><span style=\"color: #E06C75\">script<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n  <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">script<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> () {<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">updateCounter<\/span><span style=\"color: #ABB2BF\">() {<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#left\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">text<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#tasks li:not(.done)\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">length<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">      }<\/span>\n\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#add\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">on<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> () {<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#title\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">val<\/span><span style=\"color: #ABB2BF\">().<\/span><span style=\"color: #E06C75\">trim<\/span><span style=\"color: #ABB2BF\">();<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #C678DD\">if<\/span><span style=\"color: #ABB2BF\"> (<\/span><span style=\"color: #56B6C2\">!<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">) <\/span><span style=\"color: #C678DD\">return<\/span><span style=\"color: #ABB2BF\">;<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"&lt;li&gt;\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">text<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">appendTo<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#tasks\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#title\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">val<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">updateCounter<\/span><span style=\"color: #ABB2BF\">();<\/span>\n<span style=\"color: #ABB2BF\">      });<\/span>\n\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#tasks\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">on<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">\"li\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> () {<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #C678DD\">this<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">toggleClass<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"done\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">updateCounter<\/span><span style=\"color: #ABB2BF\">();<\/span>\n<span style=\"color: #ABB2BF\">      });<\/span>\n<span style=\"color: #ABB2BF\">    });<\/span>\n<span style=\"color: #ABB2BF\">  &lt;\/<\/span><span style=\"color: #E06C75\">script<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">&lt;\/<\/span><span style=\"color: #E06C75\">body<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">&lt;\/<\/span><span style=\"color: #E06C75\">html<\/span><span style=\"color: #ABB2BF\">&gt;<\/span><\/code><\/pre>\n<p>\u0427\u0442\u043e \u0443\u0432\u0438\u0434\u0438\u0442\u0435: \u043f\u043e\u0441\u043b\u0435 \u0432\u0432\u043e\u0434\u0430 \u00ab\u041d\u043e\u0432\u0430\u044f \u0437\u0430\u0434\u0430\u0447\u0430\u00bb \u0438 \u043d\u0430\u0436\u0430\u0442\u0438\u044f \u043a\u043d\u043e\u043f\u043a\u0438 \u0432 \u0441\u043f\u0438\u0441\u043a\u0435 \u043f\u043e\u044f\u0432\u0438\u0442\u0441\u044f \u0432\u0442\u043e\u0440\u043e\u0439 \u043f\u0443\u043d\u043a\u0442, \u0441\u0447\u0435\u0442\u0447\u0438\u043a \u0441\u0442\u0430\u043d\u0435\u0442 2. \u041a\u043b\u0438\u043a \u043f\u043e \u043f\u0443\u043d\u043a\u0442\u0443 \u0437\u0430\u0447\u0435\u0440\u043a\u043d\u0435\u0442 \u0435\u0433\u043e, \u0441\u0447\u0435\u0442\u0447\u0438\u043a \u0443\u043c\u0435\u043d\u044c\u0448\u0438\u0442\u0441\u044f. \u041f\u043e\u0432\u0442\u043e\u0440\u043d\u044b\u0439 \u043a\u043b\u0438\u043a \u0441\u043d\u0438\u043c\u0435\u0442 \u0437\u0430\u0447\u0435\u0440\u043a\u0438\u0432\u0430\u043d\u0438\u0435.<\/p>\n<h2 id=\"s5\">\u0420\u0430\u0437\u0431\u043e\u0440 \u043f\u043e \u0441\u0442\u0440\u043e\u043a\u0430\u043c: \u0447\u0435\u0442\u044b\u0440\u0435 \u043e\u043f\u043e\u0440\u044b jQuery<\/h2>\n<p><strong>\u0413\u043e\u0442\u043e\u0432\u043d\u043e\u0441\u0442\u044c DOM.<\/strong> <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$(function () { ... })<\/code> \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442 \u043a\u043e\u0434, \u043a\u043e\u0433\u0434\u0430 DOM \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d. \u041d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u0430\u043d\u0430\u043b\u043e\u0433 &#8212; \u0441\u043e\u0431\u044b\u0442\u0438\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">DOMContentLoaded<\/code> \u0438\u043b\u0438 \u0430\u0442\u0440\u0438\u0431\u0443\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">defer<\/code> \u0443 \u0442\u0435\u0433\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">script<\/code>.<\/p>\n<p><strong>\u0421\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u044b.<\/strong> <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$(\"#tasks li:not(.done)\")<\/code> \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u043e\u0431\u044b\u0447\u043d\u044b\u0439 CSS-\u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440 \u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043d\u0430\u0431\u043e\u0440. <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.length<\/code> &#8212; \u0447\u0438\u0441\u043b\u043e \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432, \u043d\u0430 \u044d\u0442\u043e\u043c \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d \u0441\u0447\u0435\u0442\u0447\u0438\u043a.<\/p>\n<p><strong>\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0438 DOM.<\/strong> <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$(\"&lt;li&gt;\")<\/code> \u0441\u043e\u0437\u0434\u0430\u0435\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.text(title)<\/code> \u0437\u0430\u0434\u0430\u0435\u0442 \u0442\u0435\u043a\u0441\u0442, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.appendTo(\"#tasks\")<\/code> \u0432\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0432 \u0441\u043f\u0438\u0441\u043e\u043a. <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.val()<\/code> \u0447\u0438\u0442\u0430\u0435\u0442 \u0438 \u043f\u0438\u0448\u0435\u0442 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u043e\u043b\u044f \u0432\u0432\u043e\u0434\u0430. \u041c\u0435\u0442\u043e\u0434\u044b \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u044e\u0442 \u0442\u043e\u0442 \u0436\u0435 \u043d\u0430\u0431\u043e\u0440, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0438\u0445 \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0442\u044c \u0446\u0435\u043f\u043e\u0447\u043a\u043e\u0439.<\/p>\n<p><strong>\u0421\u043e\u0431\u044b\u0442\u0438\u044f.<\/strong> <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.on(\"click\", fn)<\/code> \u0432\u0435\u0448\u0430\u0435\u0442 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a. \u0424\u043e\u0440\u043c\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.on(\"click\", \"li\", fn)<\/code> &#8212; <strong>\u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435<\/strong>: \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u0441\u0442\u043e\u0438\u0442 \u043d\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">ul<\/code>, \u0430 \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0434\u043b\u044f \u043b\u044e\u0431\u043e\u0433\u043e <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">li<\/code> \u0432\u043d\u0443\u0442\u0440\u0438, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043f\u043e\u0437\u0436\u0435. \u0412\u043d\u0443\u0442\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">this<\/code> &#8212; DOM-\u044d\u043b\u0435\u043c\u0435\u043d\u0442, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$(this)<\/code> \u043e\u0431\u043e\u0440\u0430\u0447\u0438\u0432\u0430\u0435\u0442 \u0435\u0433\u043e \u043e\u0431\u0440\u0430\u0442\u043d\u043e \u0432 jQuery-\u043e\u0431\u044a\u0435\u043a\u0442.<\/p>\n<h2 id=\"s6\">\u0422\u0438\u043f\u043e\u0432\u044b\u0435 \u043e\u0448\u0438\u0431\u043a\u0438: \u043d\u0435\u0432\u0435\u0440\u043d\u043e -&gt; \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 -&gt; \u043a\u0430\u043a \u0438\u0441\u043f\u0440\u0430\u0432\u0438\u0442\u044c<\/h2>\n<p><strong>\u041e\u0448\u0438\u0431\u043a\u0430 1. \u041e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043d\u0430 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u0445 \u0432\u043c\u0435\u0441\u0442\u043e \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f.<\/strong><\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#tasks li\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">on<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> () {<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #C678DD\">this<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">toggleClass<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"done\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #E06C75\">updateCounter<\/span><span style=\"color: #ABB2BF\">();<\/span>\n<span style=\"color: #ABB2BF\">});<\/span><\/code><\/pre>\n<p>\u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 (\u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u043e \u043f\u0440\u043e\u0433\u043e\u043d\u043e\u043c): \u043f\u0435\u0440\u0432\u044b\u0439 \u043f\u0443\u043d\u043a\u0442 \u0437\u0430\u0447\u0435\u0440\u043a\u0438\u0432\u0430\u0435\u0442\u0441\u044f, \u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u043a\u043d\u043e\u043f\u043a\u043e\u0439 &#8212; \u043d\u0435\u0442. \u0421\u0435\u043b\u0435\u043a\u0442\u043e\u0440 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u043b\u0441\u044f \u043e\u0434\u0438\u043d \u0440\u0430\u0437 \u043f\u0440\u0438 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0435 \u0438 \u043d\u0430\u0448\u0435\u043b \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0439 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">li<\/code>. \u0418\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 &#8212; \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u0438\u0437 \u043f\u043e\u043b\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043c\u0435\u0440\u0430: <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$(\"#tasks\").on(\"click\", \"li\", ...)<\/code>.<\/p>\n<p><strong>\u041e\u0448\u0438\u0431\u043a\u0430 2. \u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0439 \u0432\u0432\u043e\u0434 \u0447\u0435\u0440\u0435\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.html()<\/code>.<\/strong><\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"&lt;li&gt;\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">html<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">appendTo<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#tasks\"<\/span><span style=\"color: #ABB2BF\">);<\/span><\/code><\/pre>\n<p>\u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442: \u0432\u0432\u043e\u0434 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">&lt;img src=x onerror=alert(1)&gt;<\/code> \u043f\u0440\u0435\u0432\u0440\u0430\u0449\u0430\u0435\u0442\u0441\u044f \u0432 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0438\u0439 \u0442\u0435\u0433 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">img<\/code> \u0441 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u043c, \u0442\u043e \u0435\u0441\u0442\u044c \u0432 XSS. \u0421 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.text(title)<\/code> \u0442\u0430 \u0436\u0435 \u0441\u0442\u0440\u043e\u043a\u0430 \u0432\u044b\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u043a\u0430\u043a \u0442\u0435\u043a\u0441\u0442: <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">&amp;lt;img src=x onerror=alert(1)&amp;gt;<\/code>. \u041f\u0440\u0430\u0432\u0438\u043b\u043e: \u0434\u0430\u043d\u043d\u044b\u0435 \u043e\u0442 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0438 \u0441 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0432\u0441\u0442\u0430\u0432\u043b\u044f\u0442\u044c \u0447\u0435\u0440\u0435\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.text()<\/code>, \u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.html()<\/code> &#8212; \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u0441\u0432\u043e\u0435\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u043d\u043e\u0439 \u0440\u0430\u0437\u043c\u0435\u0442\u043a\u0438. \u0423 \u043d\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">innerHTML<\/code> \u0440\u0438\u0441\u043a \u0442\u043e\u0442 \u0436\u0435.<\/p>\n<p><strong>\u041e\u0448\u0438\u0431\u043a\u0430 3. \u041e\u0436\u0438\u0434\u0430\u043d\u0438\u0435, \u0447\u0442\u043e \u043e\u043f\u0435\u0447\u0430\u0442\u043a\u0430 \u0432 \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u0435 \u0434\u0430\u0441\u0442 \u043e\u0448\u0438\u0431\u043a\u0443.<\/strong><\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">$missing<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#mesage\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">addClass<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"active\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"jQuery, \u043d\u0430\u0439\u0434\u0435\u043d\u043e:\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">$missing<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">length<\/span><span style=\"color: #ABB2BF\">);<\/span>\n\n<span style=\"color: #E5C07B\">document<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">querySelector<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#mesage\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">classList<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">add<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"active\"<\/span><span style=\"color: #ABB2BF\">);<\/span><\/code><\/pre>\n<p>\u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\">jQuery, \u043d\u0430\u0439\u0434\u0435\u043d\u043e: 0\nTypeError: Cannot read properties of null (reading &#x27;classList&#x27;)\n<\/code><\/pre>\n<p>jQuery \u043c\u043e\u043b\u0447\u0430 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0441 \u043f\u0443\u0441\u0442\u044b\u043c \u043d\u0430\u0431\u043e\u0440\u043e\u043c, \u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u043a\u043e\u0434 \u043f\u0430\u0434\u0430\u0435\u0442. \u0422\u0438\u0445\u043e\u0435 \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0443\u0434\u043e\u0431\u043d\u043e, \u043d\u043e \u043f\u0440\u044f\u0447\u0435\u0442 \u043e\u043f\u0435\u0447\u0430\u0442\u043a\u0438: \u043f\u0440\u0438 \u043e\u0442\u043b\u0430\u0434\u043a\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0439\u0442\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.length<\/code>. \u0422\u0435\u043a\u0441\u0442 TypeError \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d \u0434\u043b\u044f \u0434\u0432\u0438\u0436\u043a\u0430 V8 (Chrome, Node.js), \u0432 \u0434\u0440\u0443\u0433\u0438\u0445 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430\u0445 \u0444\u043e\u0440\u043c\u0443\u043b\u0438\u0440\u043e\u0432\u043a\u0430 \u0434\u0440\u0443\u0433\u0430\u044f.<\/p>\n<h2 id=\"s7\">AJAX \u0432 jQuery \u0438 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 fetch<\/h2>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">getJSON<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"\/api\/tasks.json\"<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">  .<\/span><span style=\"color: #E06C75\">done<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> (<\/span><span style=\"color: #E06C75\">tasks<\/span><span style=\"color: #ABB2BF\">) {<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">tasks<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">forEach<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> (<\/span><span style=\"color: #E06C75\">t<\/span><span style=\"color: #ABB2BF\">) {<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"&lt;li&gt;\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">text<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">t<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">appendTo<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#tasks\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">    });<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"jQuery: \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043e \u0437\u0430\u0434\u0430\u0447 -\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">tasks<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">length<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">  })<\/span>\n<span style=\"color: #ABB2BF\">  .<\/span><span style=\"color: #E06C75\">fail<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> (<\/span><span style=\"color: #E06C75\">jqXHR<\/span><span style=\"color: #ABB2BF\">) {<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"jQuery: \u043e\u0448\u0438\u0431\u043a\u0430\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">jqXHR<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">status<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">  });<\/span><\/code><\/pre>\n<p>\u0414\u043b\u044f \u0430\u0434\u0440\u0435\u0441\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0442\u0434\u0430\u0435\u0442 JSON \u0438\u0437 \u0434\u0432\u0443\u0445 \u0437\u0430\u0434\u0430\u0447, \u0432 \u043a\u043e\u043d\u0441\u043e\u043b\u0438 \u0431\u0443\u0434\u0435\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jQuery: \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043e \u0437\u0430\u0434\u0430\u0447 - 2<\/code>. \u0414\u043b\u044f \u043d\u0435\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0433\u043e \u0430\u0434\u0440\u0435\u0441\u0430 \u0441\u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.fail<\/code>, \u0438 \u0432\u044b\u0432\u0435\u0434\u0435\u0442\u0441\u044f <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jQuery: \u043e\u0448\u0438\u0431\u043a\u0430 404<\/code>: jQuery \u0441\u0447\u0438\u0442\u0430\u0435\u0442 HTTP-\u043e\u0448\u0438\u0431\u043a\u0443 \u043d\u0435\u0443\u0434\u0430\u0447\u0435\u0439 \u0437\u0430\u043f\u0440\u043e\u0441\u0430.<\/p>\n<p>\u0423 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">fetch<\/code> \u043b\u043e\u0433\u0438\u043a\u0430 \u0434\u0440\u0443\u0433\u0430\u044f, \u0438 \u044d\u0442\u043e \u0447\u0430\u0441\u0442\u0430\u044f \u043b\u043e\u0432\u0443\u0448\u043a\u0430 \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u043f\u0438\u0441\u044b\u0432\u0430\u043d\u0438\u0438:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">async<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">loadTasks<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">url<\/span><span style=\"color: #ABB2BF\">) {<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">response<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">await<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">fetch<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">url<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">if<\/span><span style=\"color: #ABB2BF\"> (<\/span><span style=\"color: #56B6C2\">!<\/span><span style=\"color: #E06C75\">response<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">ok<\/span><span style=\"color: #ABB2BF\">) {<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #C678DD\">throw<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">new<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">Error<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"HTTP \"<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">+<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">response<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">status<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">  }<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">return<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">response<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">json<\/span><span style=\"color: #ABB2BF\">();<\/span>\n<span style=\"color: #ABB2BF\">}<\/span>\n\n<span style=\"color: #E06C75\">loadTasks<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"\/api\/tasks.json\"<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">  .<\/span><span style=\"color: #E06C75\">then<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">tasks<\/span><span style=\"color: #ABB2BF\">) =&gt; <\/span><span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"fetch: \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043e \u0437\u0430\u0434\u0430\u0447 -\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">tasks<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">length<\/span><span style=\"color: #ABB2BF\">))<\/span>\n<span style=\"color: #ABB2BF\">  .<\/span><span style=\"color: #C678DD\">catch<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">err<\/span><span style=\"color: #ABB2BF\">) =&gt; <\/span><span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"fetch: \u043e\u0448\u0438\u0431\u043a\u0430\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">err<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">message<\/span><span style=\"color: #ABB2BF\">));<\/span>\n\n<span style=\"color: #E06C75\">loadTasks<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"\/api\/nope.json\"<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">  .<\/span><span style=\"color: #E06C75\">then<\/span><span style=\"color: #ABB2BF\">(() =&gt; <\/span><span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"fetch: \u0443\u0441\u043f\u0435\u0445?\"<\/span><span style=\"color: #ABB2BF\">))<\/span>\n<span style=\"color: #ABB2BF\">  .<\/span><span style=\"color: #C678DD\">catch<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">err<\/span><span style=\"color: #ABB2BF\">) =&gt; <\/span><span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"fetch: \u043e\u0448\u0438\u0431\u043a\u0430\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">err<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">message<\/span><span style=\"color: #ABB2BF\">));<\/span>\n\n<span style=\"color: #E06C75\">fetch<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"\/api\/nope.json\"<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">  .<\/span><span style=\"color: #E06C75\">then<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">r<\/span><span style=\"color: #ABB2BF\">) =&gt; <\/span><span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"fetch \u0431\u0435\u0437 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 ok: then, status\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">r<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">status<\/span><span style=\"color: #ABB2BF\">));<\/span><\/code><\/pre>\n<p><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">fetch<\/code> \u043e\u0442\u043a\u043b\u043e\u043d\u044f\u0435\u0442 \u043f\u0440\u043e\u043c\u0438\u0441 \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0438 \u0441\u0435\u0442\u0435\u0432\u043e\u043c \u0441\u0431\u043e\u0435. \u041e\u0442\u0432\u0435\u0442 404 \u0431\u0435\u0437 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">response.ok<\/code> \u043f\u043e\u043f\u0430\u0434\u0435\u0442 \u0432 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">then<\/code>. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0441\u0442\u0430\u0442\u0443\u0441\u0430 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u0430:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\">fetch: \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043e \u0437\u0430\u0434\u0430\u0447 - 2\nfetch: \u043e\u0448\u0438\u0431\u043a\u0430 HTTP 404\nfetch \u0431\u0435\u0437 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 ok: then, status 404\n<\/code><\/pre>\n<h2 id=\"s8\">\u041d\u0430\u0442\u0438\u0432\u043d\u044b\u0435 \u0430\u043d\u0430\u043b\u043e\u0433\u0438: \u0442\u0430\u0431\u043b\u0438\u0446\u0430 \u0437\u0430\u043c\u0435\u043d<\/h2>\n<p>\u0422\u043e\u0442 \u0436\u0435 \u0441\u043f\u0438\u0441\u043e\u043a \u0437\u0430\u0434\u0430\u0447 \u043d\u0430 \u0447\u0438\u0441\u0442\u043e\u043c JavaScript \u0434\u0430\u0435\u0442 \u0438\u0434\u0435\u043d\u0442\u0438\u0447\u043d\u044b\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 (\u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u043e \u0442\u0435\u043c \u0436\u0435 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0435\u043c \u043a\u043b\u0438\u043a\u043e\u0432):<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0417\u0430\u0434\u0430\u0447\u0430<\/th>\n<th>jQuery<\/th>\n<th>\u041d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 JavaScript<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u041d\u0430\u0439\u0442\u0438 \u0432\u0441\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$(\".item\")<\/code><\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">document.querySelectorAll(\".item\")<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u041d\u0430\u0439\u0442\u0438 \u043e\u0434\u0438\u043d \u044d\u043b\u0435\u043c\u0435\u043d\u0442<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$(\"#id\")<\/code> (\u043f\u0443\u0441\u0442\u043e\u0439 \u043d\u0430\u0431\u043e\u0440, \u0435\u0441\u043b\u0438 \u043d\u0435\u0442)<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">document.querySelector(\"#id\")<\/code> (<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">null<\/code>, \u0435\u0441\u043b\u0438 \u043d\u0435\u0442)<\/td>\n<\/tr>\n<tr>\n<td>\u0422\u0435\u043a\u0441\u0442<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.text(\"...\")<\/code><\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">el.textContent = \"...\"<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u0420\u0430\u0437\u043c\u0435\u0442\u043a\u0430<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.html(s)<\/code><\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">el.innerHTML = s<\/code> (\u0442\u043e\u0442 \u0436\u0435 \u0440\u0438\u0441\u043a XSS)<\/td>\n<\/tr>\n<tr>\n<td>\u041a\u043b\u0430\u0441\u0441\u044b<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.addClass()<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.toggleClass()<\/code><\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">el.classList.add()<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.toggle()<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u0410\u0442\u0440\u0438\u0431\u0443\u0442\u044b<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.attr(\"href\")<\/code><\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">el.getAttribute(\"href\")<\/code><\/td>\n<\/tr>\n<tr>\n<td>data-\u0430\u0442\u0440\u0438\u0431\u0443\u0442\u044b<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.data(\"id\")<\/code> &#8212; \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442 \u0442\u0438\u043f\u044b \u0438 \u043a\u0435\u0448\u0438\u0440\u0443\u0435\u0442<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">el.dataset.id<\/code> &#8212; \u0432\u0441\u0435\u0433\u0434\u0430 \u0441\u0442\u0440\u043e\u043a\u0430<\/td>\n<\/tr>\n<tr>\n<td>\u0421\u043e\u0431\u044b\u0442\u0438\u0435<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.on(\"click\", fn)<\/code><\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">el.addEventListener(\"click\", fn)<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u0414\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.on(\"click\", \"li\", fn)<\/code><\/td>\n<td>\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043d\u0430 \u0440\u043e\u0434\u0438\u0442\u0435\u043b\u0435 + <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">event.target.closest(\"li\")<\/code><\/td>\n<\/tr>\n<tr>\n<td>DOM \u0433\u043e\u0442\u043e\u0432<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$(fn)<\/code><\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">DOMContentLoaded<\/code> \u0438\u043b\u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">defer<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u0417\u0430\u043f\u0440\u043e\u0441 \u043a \u0441\u0435\u0440\u0432\u0435\u0440\u0443<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$.getJSON()<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$.ajax()<\/code><\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">fetch()<\/code> + \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">response.ok<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u041d\u044e\u0430\u043d\u0441 \u0441 data-\u0430\u0442\u0440\u0438\u0431\u0443\u0442\u0430\u043c\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d: \u0434\u043b\u044f <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">data-id=\"42\"<\/code> jQuery \u0432\u0435\u0440\u043d\u0435\u0442 \u0447\u0438\u0441\u043b\u043e, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">dataset<\/code> &#8212; \u0441\u0442\u0440\u043e\u043a\u0443. \u0410 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.data(\"id\", 7)<\/code> \u043d\u0435 \u043c\u0435\u043d\u044f\u0435\u0442 \u0441\u0430\u043c \u0430\u0442\u0440\u0438\u0431\u0443\u0442, \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043e\u0441\u0442\u0430\u0435\u0442\u0441\u044f \u0432 \u043a\u0435\u0448\u0435 jQuery. \u041f\u0440\u0438 \u043c\u0438\u0433\u0440\u0430\u0446\u0438\u0438 \u044d\u0442\u043e \u0447\u0430\u0441\u0442\u044b\u0439 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a \u0440\u0430\u0441\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u0439.<\/p>\n<h2 id=\"s9\">\u041a\u043e\u0433\u0434\u0430 jQuery \u0443\u043c\u0435\u0441\u0442\u043d\u0430, \u0430 \u043a\u043e\u0433\u0434\u0430 \u043d\u0435\u0442<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0421\u0438\u0442\u0443\u0430\u0446\u0438\u044f<\/th>\n<th>\u0427\u0442\u043e \u0432\u0437\u044f\u0442\u044c<\/th>\n<th>\u041f\u043e\u0447\u0435\u043c\u0443<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0441\u0430\u0439\u0442\u0430, \u0433\u0434\u0435 jQuery \u0443\u0436\u0435 \u0435\u0441\u0442\u044c (WordPress-\u0442\u0435\u043c\u0430, \u0441\u0442\u0430\u0440\u0430\u044f \u0430\u0434\u043c\u0438\u043d\u043a\u0430)<\/td>\n<td>jQuery<\/td>\n<td>\u043f\u0435\u0440\u0435\u043f\u0438\u0441\u044b\u0432\u0430\u043d\u0438\u0435 \u043d\u0435 \u043e\u043a\u0443\u043f\u0430\u0435\u0442\u0441\u044f, \u043f\u043b\u0430\u0433\u0438\u043d\u044b \u043d\u0430 \u043d\u0435\u0435 \u0437\u0430\u0432\u044f\u0437\u0430\u043d\u044b<\/td>\n<\/tr>\n<tr>\n<td>\u041d\u043e\u0432\u0430\u044f \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0430\u044f \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0430, \u043f\u0430\u0440\u0430 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432<\/td>\n<td>\u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 JavaScript<\/td>\n<td>\u043b\u0438\u0448\u043d\u044f\u044f \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u044c \u043d\u0435 \u043d\u0443\u0436\u043d\u0430, API \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 \u0445\u0432\u0430\u0442\u0430\u0435\u0442<\/td>\n<\/tr>\n<tr>\n<td>\u0418\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u0441\u043e \u0441\u043b\u043e\u0436\u043d\u044b\u043c \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c<\/td>\n<td>React, Vue, Svelte \u0438 \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0435<\/td>\n<td>jQuery \u043d\u0435 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c, \u0442\u043e\u043b\u044c\u043a\u043e DOM<\/td>\n<\/tr>\n<tr>\n<td>\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u0442\u0430\u0440\u043e\u0433\u043e \u043a\u043e\u0434\u0430<\/td>\n<td>jQuery 4.x \u0438\u043b\u0438 3.7.x + \u043f\u043e\u0441\u0442\u0435\u043f\u0435\u043d\u043d\u0430\u044f \u0437\u0430\u043c\u0435\u043d\u0430<\/td>\n<td>\u0432 4.0 \u0443\u0434\u0430\u043b\u0435\u043d\u044b \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u041f\u0440\u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0438 \u043d\u0430 4.0 \u0443\u0447\u0438\u0442\u044b\u0432\u0430\u0439\u0442\u0435: \u0443\u0434\u0430\u043b\u0435\u043d\u044b \u0434\u0430\u0432\u043d\u043e \u043f\u043e\u043c\u0435\u0447\u0435\u043d\u043d\u044b\u0435 \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u043c\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0432\u0440\u043e\u0434\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$.trim<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$.isArray<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$.parseJSON<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$.type<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$.now<\/code> (\u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u043e: \u0432 4.0.0 \u043e\u043d\u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">undefined<\/code>). \u0417\u0430\u043c\u0435\u043d\u044b &#8212; <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">str.trim()<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">Array.isArray()<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">JSON.parse()<\/code>. \u0422\u0430\u043a\u0436\u0435 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0441\u0442\u0430\u0440\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u0439 Internet Explorer. \u041f\u0435\u0440\u0435\u0445\u043e\u0434\u043d\u044b\u0439 \u043f\u043b\u0430\u0433\u0438\u043d jQuery Migrate \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u043d\u0430\u0439\u0442\u0438 \u0432 \u043a\u043e\u0434\u0435 \u0432\u044b\u0437\u043e\u0432\u044b \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e\u0433\u043e API.<\/p>\n<p>\u0418 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u043f\u0440\u043e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c: \u0441\u0442\u0430\u0440\u044b\u0435 \u0432\u0435\u0440\u0441\u0438\u0438 jQuery \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0442 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 HTML. \u0415\u0441\u043b\u0438 \u043d\u0430 \u0441\u0430\u0439\u0442\u0435 \u0441\u0442\u043e\u0438\u0442 \u0434\u0440\u0435\u0432\u043d\u044f\u044f \u0432\u0435\u0440\u0441\u0438\u044f, \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 &#8212; \u0437\u0430\u0434\u0430\u0447\u0430 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438, \u0430 \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0442\u0438\u043b\u044f \u043a\u043e\u0434\u0430.<\/p>\n<h2 id=\"s10\">\u0412\u044b\u0432\u043e\u0434\u044b<\/h2>\n<ul>\n<li>jQuery &#8212; \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u043f\u043e\u0432\u0435\u0440\u0445 DOM: \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u044b, \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0438, \u0441\u043e\u0431\u044b\u0442\u0438\u044f \u0438 AJAX \u0447\u0435\u0440\u0435\u0437 \u0435\u0434\u0438\u043d\u044b\u0439 API <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$()<\/code>; \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u0430\u044f \u0432\u0435\u0442\u043a\u0430 &#8212; 4.x.<\/li>\n<li>\u0412 2026 \u0433\u043e\u0434\u0443 \u044d\u0442\u043e legacy: \u043d\u043e\u0432\u044b\u0435 \u043f\u0440\u043e\u0435\u043a\u0442\u044b \u043e\u0431\u044b\u0447\u043d\u043e \u043f\u0438\u0448\u0443\u0442 \u043d\u0430 \u043d\u0430\u0442\u0438\u0432\u043d\u043e\u043c JavaScript \u0438\u043b\u0438 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430\u0445, \u043d\u043e jQuery \u043e\u0441\u0442\u0430\u0435\u0442\u0441\u044f \u0432 WordPress \u0438 \u0441\u0442\u0430\u0440\u043e\u043c \u043a\u043e\u0434\u0435.<\/li>\n<li>\u0413\u043b\u0430\u0432\u043d\u044b\u0435 \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u043f\u0440\u0438\u0435\u043c\u044b &#8212; \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u043e\u0431\u044b\u0442\u0438\u0439 (<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.on(\u0441\u043e\u0431\u044b\u0442\u0438\u0435, \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440, fn)<\/code>) \u0438 \u0432\u0441\u0442\u0430\u0432\u043a\u0430 \u0434\u0430\u043d\u043d\u044b\u0445 \u0447\u0435\u0440\u0435\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.text()<\/code>, \u0430 \u043d\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.html()<\/code>.<\/li>\n<li>\u041f\u0440\u0438 \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0435 \u043d\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">fetch<\/code> \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0439\u0442\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">response.ok<\/code>: \u0432 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$.ajax<\/code>, HTTP 404 \u043d\u0435 \u0441\u0447\u0438\u0442\u0430\u0435\u0442\u0441\u044f \u043e\u0448\u0438\u0431\u043a\u043e\u0439.<\/li>\n<li>\u041f\u043e\u0447\u0442\u0438 \u043a\u0430\u0436\u0434\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f jQuery \u0438\u043c\u0435\u0435\u0442 \u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u0430\u043d\u0430\u043b\u043e\u0433, \u043d\u043e \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u0432 \u0434\u0435\u0442\u0430\u043b\u044f\u0445 (<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">null<\/code> vs \u043f\u0443\u0441\u0442\u043e\u0439 \u043d\u0430\u0431\u043e\u0440, \u0442\u0438\u043f\u044b \u0432 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.data()<\/code>).<\/li>\n<\/ul>\n<h2 id=\"s11\">\u0413\u0434\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \/ \u0441\u0432\u044f\u0437\u044c \u0441 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0439<\/h2>\n<div class=\"oj-cta\" style=\"background:#fbf4e4;border-left:4px solid #c9962b;border-radius:8px;padding:16px 20px;margin:24px 0\">\n<p style=\"margin:0 0 8px\"><strong>\u041e\u0441\u0432\u043e\u0439\u0442\u0435 \u0442\u0435\u043c\u0443 \u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435<\/strong><\/p>\n<p>jQuery \u0447\u0430\u0449\u0435 \u0432\u0441\u0435\u0433\u043e \u0432\u0441\u0442\u0440\u0435\u0447\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0441\u0430\u0439\u0442\u043e\u0432: \u043f\u0440\u0430\u0432\u043a\u0430 \u0442\u0435\u043c\u044b WordPress, \u0434\u043e\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0441\u0442\u0430\u0440\u043e\u0439 \u0430\u0434\u043c\u0438\u043d\u043a\u0438, \u043f\u0435\u0440\u0435\u043d\u043e\u0441 \u043a\u043e\u0434\u0430 \u043d\u0430 \u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 JavaScript. \u0427\u0442\u043e\u0431\u044b \u0443\u0432\u0435\u0440\u0435\u043d\u043d\u043e \u0434\u0435\u043b\u0430\u0442\u044c \u0442\u0430\u043a\u0438\u0435 \u0437\u0430\u0434\u0430\u0447\u0438, \u043d\u0443\u0436\u043d\u0430 \u0431\u0430\u0437\u0430 \u0441\u0430\u043c\u043e\u0433\u043e \u044f\u0437\u044b\u043a\u0430 &#8212; DOM, \u0441\u043e\u0431\u044b\u0442\u0438\u044f, \u0430\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u043e\u0441\u0442\u044c \u0438 \u043f\u0440\u043e\u043c\u0438\u0441\u044b, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u0442\u0440\u043e\u044f\u0442\u0441\u044f \u0438 jQuery, \u0438 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0438. \u0415\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e \u0434\u0430\u0435\u0442 \u043a\u0443\u0440\u0441 <a href=\"https:\/\/otus.ru\/lessons\/javascript-basic\/?utm_source=oj&amp;utm_medium=article&amp;utm_campaign=biblioteka-jquery-opisanie-i-oblasti-primeneniya&amp;utm_content=course\">JavaScript Developer. Basic<\/a>.<\/p>\n<\/div>\n<div class=\"oj-cta\" style=\"background:#fbf4e4;border-left:4px solid #c9962b;border-radius:8px;padding:16px 20px;margin:24px 0\">\n<p style=\"margin:0 0 8px\"><strong>\u041e\u0441\u0432\u043e\u0439\u0442\u0435 \u0442\u0435\u043c\u0443 \u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435<\/strong><\/p>\n<p>\u041f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0444\u043e\u0440\u043c\u0430\u0442 \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f \u0438 \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u0442\u044c \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0435 \u0442\u0435\u043c\u044b \u0444\u0440\u043e\u043d\u0442\u0435\u043d\u0434\u0430 \u043c\u043e\u0436\u043d\u043e \u043d\u0430 <a href=\"https:\/\/otus.ru\/events\/?utm_source=oj&amp;utm_medium=article&amp;utm_campaign=biblioteka-jquery-opisanie-i-oblasti-primeneniya&amp;utm_content=events\">\u0431\u0435\u0441\u043f\u043b\u0430\u0442\u043d\u044b\u0445 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0445 \u0443\u0440\u043e\u043a\u0430\u0445 Otus<\/a>.<\/p>\n<\/div>\n<h2 id=\"s12\">FAQ<\/h2>\n<p><strong>\u041c\u043e\u0436\u043d\u043e \u043b\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c jQuery \u0432\u043c\u0435\u0441\u0442\u0435 \u0441 React \u0438\u043b\u0438 Vue?<\/strong><br \/>\n\u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438 \u0434\u0430, \u043d\u043e \u044d\u0442\u043e \u043a\u043e\u043d\u0444\u043b\u0438\u043a\u0442 \u043f\u043e\u0434\u0445\u043e\u0434\u043e\u0432: \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a \u0441\u0430\u043c \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442 DOM, \u0438 \u043f\u0440\u044f\u043c\u044b\u0435 \u043f\u0440\u0430\u0432\u043a\u0438 \u0447\u0435\u0440\u0435\u0437 jQuery \u043e\u043d \u043c\u043e\u0436\u0435\u0442 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c. \u041e\u0431\u044b\u0447\u043d\u043e jQuery \u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0430\u0440\u043e\u0433\u043e \u043f\u043b\u0430\u0433\u0438\u043d\u0430.<\/p>\n<p><strong>\u0421\u0442\u043e\u0438\u0442 \u043b\u0438 \u0443\u0447\u0438\u0442\u044c jQuery \u043d\u043e\u0432\u0438\u0447\u043a\u0443 \u0432 2026 \u0433\u043e\u0434\u0443?<\/strong><br \/>\n\u041e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u0441 \u043d\u0443\u043b\u044f &#8212; \u043d\u0435\u0442, \u043b\u0443\u0447\u0448\u0435 \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043e\u0441\u0432\u043e\u0438\u0442\u044c \u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 DOM API. \u0421\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 jQuery \u0447\u0438\u0442\u0430\u0435\u0442\u0441\u044f \u0437\u0430 \u0432\u0435\u0447\u0435\u0440, \u0435\u0441\u043b\u0438 \u043f\u0440\u0438\u0434\u0435\u0442\u0441\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0442\u044c \u0441\u0442\u0430\u0440\u044b\u0439 \u043a\u043e\u0434.<\/p>\n<p><strong>\u0420\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043b\u0438 jQuery \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0432 Node.js?<\/strong><br \/>\n\u0421\u0430\u043c\u0430 \u043f\u043e \u0441\u0435\u0431\u0435 \u043d\u0435\u0442: \u0435\u0439 \u043d\u0443\u0436\u0435\u043d \u043e\u0431\u044a\u0435\u043a\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">window<\/code> \u0441 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e\u043c. \u0412 Node.js \u0435\u0435 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u044e\u0442 \u0432\u043c\u0435\u0441\u0442\u0435 \u0441 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u043e\u043c DOM (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, jsdom), \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u0434\u043b\u044f \u0442\u0435\u0441\u0442\u043e\u0432.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>jQuery &#8212; \u044d\u0442\u043e JavaScript-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441\u043e \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435\u0439 \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435: \u043e\u043d\u0430 \u043d\u0430\u0445\u043e\u0434\u0438\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u043f\u043e CSS-\u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u0430\u043c, \u043c\u0435\u043d\u044f\u0435\u0442 DOM, \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0441\u043e\u0431\u044b\u0442\u0438\u0439 \u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442 AJAX-\u0437\u0430\u043f\u0440\u043e\u0441\u044b \u0447\u0435\u0440\u0435\u0437 \u043a\u043e\u0440\u043e\u0442\u043a\u0438\u0439 \u0435\u0434\u0438\u043d\u044b\u0439 API. \u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 \u0432\u044b\u043f\u0443\u0441\u0442\u0438\u043b \u0414\u0436\u043e\u043d \u0420\u0435\u0437\u0438\u0433 \u0432 2006 \u0433\u043e\u0434\u0443, \u0441\u0435\u0439\u0447\u0430\u0441 \u0435\u0435 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 OpenJS Foundation, \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044f MIT. \u0410\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u0430\u044f \u0432\u0435\u0442\u043a\u0430 \u043d\u0430 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044c 2026 &#8212; jQuery 4.x (4.0.0 \u0432\u044b\u0448\u043b\u0430 \u0432 \u044f\u043d\u0432\u0430\u0440\u0435 2026). \u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":11363,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[605,65],"class_list":["post-11362","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-polza","tag-jquery","tag-programmirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 jQuery: \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u044b, \u0440\u0430\u0431\u043e\u0442\u0430 \u0441 DOM, \u0441\u043e\u0431\u044b\u0442\u0438\u044f \u0438 AJAX \u043d\u0430 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c\u044b\u0445 \u043f\u0440\u0438\u043c\u0435\u0440\u0430\u0445, \u0441\u0442\u0430\u0442\u0443\u0441 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0432 2026 \u0433\u043e\u0434\u0443 \u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u0430 \u0437\u0430\u043c\u0435\u043d \u043d\u0430 \u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 JavaScript.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"A. 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