{"id":6091,"date":"2026-09-24T09:00:00","date_gmt":"2026-09-24T09:00:00","guid":{"rendered":"https:\/\/otus.ru\/journal\/?p=6091"},"modified":"2026-09-25T15:27:16","modified_gmt":"2026-09-25T15:27:16","slug":"jquery-chto-nuzhno-znat-ob-obrabotke-sobytij","status":"publish","type":"post","link":"https:\/\/otus.ru\/journal\/jquery-chto-nuzhno-znat-ob-obrabotke-sobytij\/","title":{"rendered":"\u041e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0441\u043e\u0431\u044b\u0442\u0438\u0439 \u0432 jQuery: \u043c\u0435\u0442\u043e\u0434 .on(), .off(), \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0438 \u043e\u0431\u044a\u0435\u043a\u0442 event"},"content":{"rendered":"<p><strong>\u041e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0441\u043e\u0431\u044b\u0442\u0438\u0439 \u0432 jQuery<\/strong> &#8212; \u044d\u0442\u043e \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u0438-\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430 \u043a \u0441\u043e\u0431\u044b\u0442\u0438\u044e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430 (\u043a\u043b\u0438\u043a, \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0430 \u0444\u043e\u0440\u043c\u044b, \u043d\u0430\u0436\u0430\u0442\u0438\u0435 \u043a\u043b\u0430\u0432\u0438\u0448\u0438) \u043c\u0435\u0442\u043e\u0434\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\">.on()<\/code> \u0438 \u0441\u043d\u044f\u0442\u0438\u0435 \u0435\u0435 \u043c\u0435\u0442\u043e\u0434\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\">.off()<\/code>. \u0417\u0430\u043f\u0438\u0441\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\">$(\"#btn\").on(\"click\", handler)<\/code> \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442: \u043a\u043e\u0433\u0434\u0430 \u043d\u0430 \u043a\u043d\u043e\u043f\u043a\u0435 \u043f\u0440\u043e\u0438\u0437\u043e\u0439\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\">click<\/code>, jQuery \u0432\u044b\u0437\u043e\u0432\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\">handler<\/code> \u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0441\u0442 \u0435\u043c\u0443 \u043e\u0431\u044a\u0435\u043a\u0442 \u0441\u043e\u0431\u044b\u0442\u0438\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\">event<\/code>. \u041d\u0438\u0436\u0435 \u0440\u0430\u0437\u0431\u0435\u0440\u0435\u043c \u0432\u0441\u0435 \u0444\u043e\u0440\u043c\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\">.on()<\/code>, \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0434\u043b\u044f \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u044f\u0432\u044f\u0442\u0441\u044f \u043f\u043e\u0437\u0436\u0435, \u043f\u043e\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\">event<\/code>, \u043e\u0442\u043c\u0435\u043d\u0443 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 \u0438 \u0442\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043e\u0448\u0438\u0431\u043a\u0438.<\/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\">\u0427\u0435\u0442\u044b\u0440\u0435 \u043f\u043e\u043d\u044f\u0442\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0443\u0442\u0430\u044e\u0442<\/a><\/li>\n<li><a href=\"#s2\">\u041c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u043f\u0440\u0438\u043c\u0435\u0440<\/a><\/li>\n<li><a href=\"#s3\">\u0421\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 .on() \u0438 \u0440\u043e\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432<\/a><\/li>\n<li><a href=\"#s4\">\u041f\u0440\u044f\u043c\u0430\u044f \u0438 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430<\/a><\/li>\n<li><a href=\"#s5\">\u041e\u0442\u043c\u0435\u043d\u0430 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0438 \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u0432\u0441\u043f\u043b\u044b\u0442\u0438\u044f<\/a><\/li>\n<li><a href=\"#s6\">\u041f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0430 \u0438\u043c\u0435\u043d, .one() \u0438 \u0441\u0432\u043e\u0438 \u0441\u043e\u0431\u044b\u0442\u0438\u044f<\/a><\/li>\n<li><a href=\"#s7\">\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043e\u0448\u0438\u0431\u043a\u0438<\/a><\/li>\n<li><a href=\"#s8\">\u041d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u0430\u043d\u0430\u043b\u043e\u0433 \u0431\u0435\u0437 jQuery<\/a><\/li>\n<li><a href=\"#s9\">\u0415\u0441\u043b\u0438 \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c<\/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>\u041f\u0440\u0438\u043c\u0435\u0440\u044b \u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u044b 24.09.2026 \u043d\u0430 jQuery 4.0.0 (\u0438 \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e \u043d\u0430 3.7.1) \u0432 jsdom 30.1 \u043f\u043e\u0434 Node.js 22. jQuery \u0441\u0435\u0433\u043e\u0434\u043d\u044f &#8212; \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0432 \u043a\u043e\u043d\u0446\u0435 \u043f\u043e\u043a\u0430\u0437\u0430\u043d \u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u0430\u043d\u0430\u043b\u043e\u0433 \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\">addEventListener<\/code>.<\/p>\n<h2 id=\"s1\">\u0427\u0435\u0442\u044b\u0440\u0435 \u043f\u043e\u043d\u044f\u0442\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0443\u0442\u0430\u044e\u0442<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0422\u0435\u0440\u043c\u0438\u043d<\/th>\n<th>\u0427\u0442\u043e \u044d\u0442\u043e<\/th>\n<th>\u041f\u0440\u0438\u043c\u0435\u0440<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0421\u043e\u0431\u044b\u0442\u0438\u0435<\/td>\n<td>\u0441\u0438\u0433\u043d\u0430\u043b \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 \u043e \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0438 \u0438\u043b\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0438<\/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\">click<\/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\">submit<\/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\">keydown<\/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\">input<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u041e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a<\/td>\n<td>\u0432\u0430\u0448\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u0432\u044b\u0437\u044b\u0432\u0430\u044e\u0442 \u043f\u0440\u0438 \u0441\u043e\u0431\u044b\u0442\u0438\u0438<\/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\">function (event) { ... }<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u041e\u0431\u044a\u0435\u043a\u0442 \u0441\u043e\u0431\u044b\u0442\u0438\u044f<\/td>\n<td>\u0434\u0430\u043d\u043d\u044b\u0435 \u043e \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u043c \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u043d\u0438\u0438<\/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\">event.target<\/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\">event.type<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u0414\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e<\/td>\n<td>\u0442\u043e, \u0447\u0442\u043e \u0431\u0440\u0430\u0443\u0437\u0435\u0440 \u0434\u0435\u043b\u0430\u0435\u0442 \u0441\u0430\u043c<\/td>\n<td>\u043f\u0435\u0440\u0435\u0445\u043e\u0434 \u043f\u043e \u0441\u0441\u044b\u043b\u043a\u0435, \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0430 \u0444\u043e\u0440\u043c\u044b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0412\u0441\u043f\u043b\u044b\u0442\u0438\u0435 (bubbling): \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u0441\u043e\u0431\u044b\u0442\u0438\u0439 \u043f\u043e\u0441\u043b\u0435 \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u043d\u0438\u044f \u043d\u0430 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0435 \u043f\u043e\u0434\u043d\u0438\u043c\u0430\u0435\u0442\u0441\u044f \u043a \u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044f\u043c \u0434\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\">document<\/code> \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\">window<\/code>. \u041d\u0430 \u044d\u0442\u043e\u043c \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u043e \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435.<\/p>\n<h2 id=\"s2\">\u041c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u043f\u0440\u0438\u043c\u0435\u0440<\/h2>\n<p>\u0421\u043f\u0438\u0441\u043e\u043a \u0437\u0430\u0434\u0430\u0447: \u0444\u043e\u0440\u043c\u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442 \u043f\u0443\u043d\u043a\u0442, \u043a\u043d\u043e\u043f\u043a\u0430 \u00abx\u00bb \u0443\u0434\u0430\u043b\u044f\u0435\u0442. \u0424\u0430\u0439\u043b jQuery \u043b\u0435\u0436\u0438\u0442 \u0440\u044f\u0434\u043e\u043c \u0441\u043e \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435\u0439.<\/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;&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;&lt;<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\u0421\u043e\u0431\u044b\u0442\u0438\u044f jQuery<span style=\"color: #ABB2BF\">&lt;\/<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">&gt;&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\">form<\/span> <span style=\"color: #E06C75\">id<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"add-form\"<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n    <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">label<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\u0417\u0430\u0434\u0430\u0447\u0430 <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: #ABB2BF\">&gt;&lt;\/<\/span><span style=\"color: #E06C75\">label<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\n    <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">button<\/span> <span style=\"color: #E06C75\">type<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"submit\"<\/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\">form<\/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>\u041a\u0443\u043f\u0438\u0442\u044c \u043c\u043e\u043b\u043e\u043a\u043e <span style=\"color: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">button<\/span> <span style=\"color: #E06C75\">class<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"remove\"<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>x<span style=\"color: #ABB2BF\">&lt;\/<\/span><span style=\"color: #E06C75\">button<\/span><span style=\"color: #ABB2BF\">&gt;&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: #E06C75\">id<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"log\"<\/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-4.0.0.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: #7F848E\">\/\/ \u041f\u0440\u044f\u043c\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a: \u0432\u0438\u0441\u0438\u0442 \u043d\u0430 \u0441\u0430\u043c\u043e\u0439 \u0444\u043e\u0440\u043c\u0435<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#add-form\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">on<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"submit\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> (<\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">) {<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">preventDefault<\/span><span style=\"color: #ABB2BF\">(); <\/span><span style=\"color: #7F848E\">\/\/ \u043d\u0435 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0442\u044c \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0443<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">$<\/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\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"&lt;li&gt;\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">text<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">+<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">\" \"<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">          .<\/span><span style=\"color: #E06C75\">append<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">'&lt;button class=\"remove\"&gt;x&lt;\/button&gt;'<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">          .<\/span><span style=\"color: #E06C75\">appendTo<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#tasks\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">$<\/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>\n\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #7F848E\">\/\/ \u0414\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a: \u0432\u0438\u0441\u0438\u0442 \u043d\u0430 \u0441\u043f\u0438\u0441\u043a\u0435, \u043b\u043e\u0432\u0438\u0442 \u043a\u043b\u0438\u043a\u0438 \u043f\u043e .remove<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#tasks\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">on<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">\".remove\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> () {<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">$li<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #C678DD\">this<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">closest<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"li\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#log\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">text<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"\u0423\u0434\u0430\u043b\u0435\u043d\u043e: \"<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">+<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">$li<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">contents<\/span><span style=\"color: #ABB2BF\">().<\/span><span style=\"color: #E06C75\">first<\/span><span style=\"color: #ABB2BF\">().<\/span><span style=\"color: #E06C75\">text<\/span><span style=\"color: #ABB2BF\">().<\/span><span style=\"color: #E06C75\">trim<\/span><span style=\"color: #ABB2BF\">());<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">$li<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">remove<\/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>\u0412\u0432\u0435\u0434\u0438\u0442\u0435 \u00ab\u0421\u0434\u0430\u0442\u044c \u043e\u0442\u0447\u0435\u0442\u00bb, \u043d\u0430\u0436\u043c\u0438\u0442\u0435 \u00ab\u0414\u043e\u0431\u0430\u0432\u0438\u0442\u044c\u00bb &#8212; \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0430 \u043d\u0435 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u0441\u044f, \u0432 \u0441\u043f\u0438\u0441\u043a\u0435 \u0441\u0442\u0430\u043d\u0435\u0442 \u0434\u0432\u0430 \u043f\u0443\u043d\u043a\u0442\u0430. \u041d\u0430\u0436\u043c\u0438\u0442\u0435 \u00abx\u00bb \u0443 \u043d\u043e\u0432\u043e\u0433\u043e \u043f\u0443\u043d\u043a\u0442\u0430 &#8212; \u043e\u043d \u0438\u0441\u0447\u0435\u0437\u043d\u0435\u0442, \u0430 \u0432 \u0430\u0431\u0437\u0430\u0446\u0435 \u043f\u043e\u044f\u0432\u0438\u0442\u0441\u044f \u00ab\u0423\u0434\u0430\u043b\u0435\u043d\u043e: \u0421\u0434\u0430\u0442\u044c \u043e\u0442\u0447\u0435\u0442\u00bb. \u0423\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0434\u043b\u044f \u043f\u0443\u043d\u043a\u0442\u0430, \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043d\u0435 \u0431\u044b\u043b\u043e \u043f\u0440\u0438 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0435, \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u0432\u0438\u0441\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\">&lt;ul&gt;<\/code>.<\/p>\n<h2 id=\"s3\">\u0421\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 .on() \u0438 \u0440\u043e\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0417\u0430\u043f\u0438\u0441\u044c<\/th>\n<th>\u0427\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\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>\u043f\u0440\u044f\u043c\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043d\u0430 \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u0445<\/td>\n<\/tr>\n<tr>\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\", \".item\", fn)<\/code><\/td>\n<td>\u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439: \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0434\u043b\u044f \u043f\u043e\u0442\u043e\u043c\u043a\u043e\u0432, \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0449\u0438\u0445 \u043f\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\">.item<\/code><\/td>\n<\/tr>\n<tr>\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\", null, {id: 7}, fn)<\/code><\/td>\n<td>\u043f\u0435\u0440\u0435\u0434\u0430\u0435\u0442 \u0434\u0430\u043d\u043d\u044b\u0435 \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\">event.data<\/code><\/td>\n<\/tr>\n<tr>\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: fn1, mouseenter: fn2})<\/code><\/td>\n<td>\u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0441\u043e\u0431\u044b\u0442\u0438\u0439 \u043e\u0434\u043d\u0438\u043c \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u043c<\/td>\n<\/tr>\n<tr>\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 keydown\", fn)<\/code><\/td>\n<td>\u043e\u0434\u0438\u043d \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043d\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0442\u0438\u043f\u043e\u0432 \u0447\u0435\u0440\u0435\u0437 \u043f\u0440\u043e\u0431\u0435\u043b<\/td>\n<\/tr>\n<tr>\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\">.one(\"click\", fn)<\/code><\/td>\n<td>\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u0441\u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043e\u0434\u0438\u043d \u0440\u0430\u0437 \u043d\u0430 \u043a\u0430\u0436\u0434\u043e\u043c \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0435<\/td>\n<\/tr>\n<tr>\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\">.off(\"click\", fn)<\/code><\/td>\n<td>\u0441\u043d\u044f\u0442\u044c \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a (\u043d\u0443\u0436\u043d\u0430 \u0442\u0430 \u0436\u0435 \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u044e)<\/td>\n<\/tr>\n<tr>\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\">.off(\".menu\")<\/code><\/td>\n<td>\u0441\u043d\u044f\u0442\u044c \u0432\u0441\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0430 \u0438\u043c\u0435\u043d <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\">menu<\/code><\/td>\n<\/tr>\n<tr>\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\">.trigger(\"click\")<\/code><\/td>\n<td>\u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0421\u043e\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u044f \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\">.click(fn)<\/code> \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442 \u043a\u0430\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\">.on(\"click\", fn)<\/code>, \u043d\u043e \u0441 jQuery 3.3 \u043f\u043e\u043c\u0435\u0447\u0435\u043d\u044b \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u043c\u0438. \u041c\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\">.bind()<\/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\">.unbind()<\/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\">.delegate()<\/code> \u0443\u0441\u0442\u0430\u0440\u0435\u043b\u0438 \u0441 3.0 (\u0432 4.0.0 \u0435\u0449\u0435 \u0435\u0441\u0442\u044c), \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\">.live()<\/code> \u0443\u0434\u0430\u043b\u0435\u043d \u0432 1.9. \u0412 \u043d\u043e\u0432\u043e\u043c \u043a\u043e\u0434\u0435 &#8212; \u0442\u043e\u043b\u044c\u043a\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\">.on()<\/code> \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\">.off()<\/code>.<\/p>\n<h2 id=\"s4\">\u041f\u0440\u044f\u043c\u0430\u044f \u0438 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430<\/h2>\n<p><strong>\u041f\u0440\u044f\u043c\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a<\/strong> \u043f\u0440\u0438\u0432\u044f\u0437\u0430\u043d \u043a \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c, \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u043c \u0432 \u043c\u043e\u043c\u0435\u043d\u0442 \u0432\u044b\u0437\u043e\u0432\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()<\/code>. \u042d\u043b\u0435\u043c\u0435\u043d\u0442\u044b, \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u043f\u043e\u0437\u0436\u0435, \u0435\u0433\u043e \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0430\u0442.<\/p>\n<p><strong>\u0414\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a<\/strong> \u0432\u0435\u0448\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u0435\u0434\u043a\u0430 (\u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440), \u0430 jQuery \u043f\u0440\u0438 \u043a\u0430\u0436\u0434\u043e\u043c \u0432\u0441\u043f\u043b\u044b\u0432\u0448\u0435\u043c \u0441\u043e\u0431\u044b\u0442\u0438\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442, \u043f\u0440\u043e\u0448\u043b\u043e \u043b\u0438 \u043e\u043d\u043e \u0447\u0435\u0440\u0435\u0437 \u043f\u043e\u0442\u043e\u043c\u043a\u0430, \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0449\u0435\u0433\u043e \u043f\u043e\u0434 \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440. \u041f\u043b\u044e\u0441 &#8212; \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0434\u043b\u044f \u0431\u0443\u0434\u0443\u0449\u0438\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0438 \u0434\u0435\u0440\u0436\u0438\u0442 \u043e\u0434\u0438\u043d \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u0432\u043c\u0435\u0441\u0442\u043e \u0441\u043e\u0442\u043d\u0438. \u0426\u0435\u043d\u0430 &#8212; \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u0430 \u043d\u0430 \u043a\u0430\u0436\u0434\u043e\u0435 \u0441\u043e\u0431\u044b\u0442\u0438\u0435, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0431\u0435\u0440\u0438\u0442\u0435 \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0438\u0439 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u044b\u0439, \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\">document<\/code>.<\/p>\n<p>\u0412\u043d\u0443\u0442\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430 \u0432\u0430\u0436\u043d\u043e \u0440\u0430\u0437\u043b\u0438\u0447\u0430\u0442\u044c \u0447\u0435\u0442\u044b\u0440\u0435 \u0441\u0441\u044b\u043b\u043a\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: #ABB2BF\">&lt;<\/span><span style=\"color: #E06C75\">ul<\/span> <span style=\"color: #E06C75\">id<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"menu\"<\/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;&lt;<\/span><span style=\"color: #E06C75\">a<\/span> <span style=\"color: #E06C75\">href<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"\/about\"<\/span><span style=\"color: #ABB2BF\">&gt;&lt;<\/span><span style=\"color: #E06C75\">b<\/span><span style=\"color: #ABB2BF\">&gt;<\/span>\u041e \u043d\u0430\u0441<span style=\"color: #ABB2BF\">&lt;\/<\/span><span style=\"color: #E06C75\">b<\/span><span style=\"color: #ABB2BF\">&gt;&lt;\/<\/span><span style=\"color: #E06C75\">a<\/span><span style=\"color: #ABB2BF\">&gt;&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><\/code><\/pre>\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\">\"#menu\"<\/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\">\"a\"<\/span><span style=\"color: #ABB2BF\">, { <\/span><span style=\"color: #E06C75\">section<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">\"menu\"<\/span><span style=\"color: #ABB2BF\"> }, <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> (<\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">) {<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">preventDefault<\/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: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">type<\/span><span style=\"color: #ABB2BF\">);                   <\/span><span style=\"color: #7F848E\">\/\/ click<\/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: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">target<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">tagName<\/span><span style=\"color: #ABB2BF\">);         <\/span><span style=\"color: #7F848E\">\/\/ B - \u0433\u0434\u0435 \u0440\u0435\u0430\u043b\u044c\u043d\u043e \u043a\u043b\u0438\u043a\u043d\u0443\u043b\u0438<\/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: #C678DD\">this<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">tagName<\/span><span style=\"color: #ABB2BF\">);                 <\/span><span style=\"color: #7F848E\">\/\/ A - \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u043f\u043e\u0434 \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u043e\u043c \"a\"<\/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: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">currentTarget<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">===<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">this<\/span><span style=\"color: #ABB2BF\">); <\/span><span style=\"color: #7F848E\">\/\/ true<\/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: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">delegateTarget<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #ABB2BF\">);      <\/span><span style=\"color: #7F848E\">\/\/ menu - \u0433\u0434\u0435 \u0432\u0438\u0441\u0438\u0442 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a<\/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: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">data<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">section<\/span><span style=\"color: #ABB2BF\">);           <\/span><span style=\"color: #7F848E\">\/\/ menu<\/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: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">isDefaultPrevented<\/span><span style=\"color: #ABB2BF\">());   <\/span><span style=\"color: #7F848E\">\/\/ true<\/span>\n<span style=\"color: #ABB2BF\">});<\/span>\n\n<span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#menu b\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">trigger<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/span><span style=\"color: #ABB2BF\">);<\/span><\/code><\/pre>\n<p>\u041a\u043b\u0438\u043a \u043f\u043e \u0436\u0438\u0440\u043d\u043e\u043c\u0443 \u0442\u0435\u043a\u0441\u0442\u0443 \u0432\u043d\u0443\u0442\u0440\u0438 \u0441\u0441\u044b\u043b\u043a\u0438 \u0434\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\">target<\/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\">&lt;b&gt;<\/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\">this<\/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\">&lt;a&gt;<\/code>. \u0415\u0441\u043b\u0438 \u0432 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0435 \u043e\u043f\u0438\u0440\u0430\u0442\u044c\u0441\u044f \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\">event.target<\/code>, \u043a\u043e\u0434 \u0441\u043b\u043e\u043c\u0430\u0435\u0442\u0441\u044f, \u043a\u0430\u043a \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u0441\u0441\u044b\u043b\u043a\u0443 \u0434\u043e\u0431\u0430\u0432\u044f\u0442 \u0438\u043a\u043e\u043d\u043a\u0443 \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\">&lt;span&gt;<\/code>. \u041d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u043e\u0431\u044a\u0435\u043a\u0442 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \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\">event.originalEvent<\/code>.<\/p>\n<p>\u0421\u043e\u0431\u044b\u0442\u0438\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\">focus<\/code> \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\">blur<\/code> \u0441\u0430\u043c\u0438 \u043d\u0435 \u0432\u0441\u043f\u043b\u044b\u0432\u0430\u044e\u0442, \u043d\u043e jQuery \u043f\u0440\u0438 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u043f\u043e\u0434\u043c\u0435\u043d\u044f\u0435\u0442 \u0438\u0445 \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\">focusin<\/code> \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\">focusout<\/code>, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 <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\">$(\"form\").on(\"focus\", \"input\", fn)<\/code> \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442, \u043d\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\">event.type<\/code> \u0432 \u0442\u0430\u043a\u043e\u043c \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0435 \u0440\u0430\u0432\u0435\u043d <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\">focusin<\/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\">focus<\/code> (\u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e \u0432 jQuery 4.0.0 \u0438 3.7.1) &#8212; \u043d\u0435 \u0441\u0440\u0430\u0432\u043d\u0438\u0432\u0430\u0439\u0442\u0435 \u0435\u0433\u043e \u0441\u043e \u0441\u0442\u0440\u043e\u043a\u043e\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\">\"focus\"<\/code>. \u0412 \u043d\u0430\u0442\u0438\u0432\u043d\u043e\u043c \u043a\u043e\u0434\u0435 \u0442\u0430\u043a\u043e\u0439 \u043f\u043e\u0434\u043c\u0435\u043d\u044b \u043d\u0435\u0442.<\/p>\n<h2 id=\"s5\">\u041e\u0442\u043c\u0435\u043d\u0430 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0438 \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u0432\u0441\u043f\u043b\u044b\u0442\u0438\u044f<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0412\u044b\u0437\u043e\u0432<\/th>\n<th>\u0414\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430<\/th>\n<th>\u0412\u0441\u043f\u043b\u044b\u0442\u0438\u0435 \u043a \u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044f\u043c<\/th>\n<th>\u0414\u0440\u0443\u0433\u0438\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u044d\u0442\u043e\u0433\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\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\">event.preventDefault()<\/code><\/td>\n<td>\u043e\u0442\u043c\u0435\u043d\u0435\u043d\u043e<\/td>\n<td>\u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442\u0441\u044f<\/td>\n<td>\u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u0441\u044f<\/td>\n<\/tr>\n<tr>\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\">event.stopPropagation()<\/code><\/td>\n<td>\u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u0441\u044f<\/td>\n<td>\u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043e<\/td>\n<td>\u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u0441\u044f<\/td>\n<\/tr>\n<tr>\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\">event.stopImmediatePropagation()<\/code><\/td>\n<td>\u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u0441\u044f<\/td>\n<td>\u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043e<\/td>\n<td>\u043d\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u0441\u044f<\/td>\n<\/tr>\n<tr>\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\">return false<\/code> \u0432 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0435 jQuery<\/td>\n<td>\u043e\u0442\u043c\u0435\u043d\u0435\u043d\u043e<\/td>\n<td>\u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043e<\/td>\n<td>\u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u0441\u044f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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\">return false<\/code> \u0432 jQuery &#8212; \u044d\u0442\u043e \u0441\u0440\u0430\u0437\u0443 <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\">preventDefault()<\/code> \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\">stopPropagation()<\/code>. \u0412 \u043d\u0430\u0442\u0438\u0432\u043d\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\">addEventListener<\/code> \u0432\u043e\u0437\u0432\u0440\u0430\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\">false<\/code> \u043d\u0438\u0447\u0435\u0433\u043e \u043d\u0435 \u043e\u0442\u043c\u0435\u043d\u044f\u0435\u0442. \u041e\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0442\u044c \u0432\u0441\u043f\u043b\u044b\u0442\u0438\u0435 \u0431\u0435\u0437 \u043f\u0440\u0438\u0447\u0438\u043d\u044b \u043d\u0435 \u0441\u0442\u043e\u0438\u0442: \u044d\u0442\u043e \u043b\u043e\u043c\u0430\u0435\u0442 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0432\u044b\u0448\u0435 \u043f\u043e \u0434\u0435\u0440\u0435\u0432\u0443, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0430\u043d\u0430\u043b\u0438\u0442\u0438\u043a\u0443 \u0438 \u0437\u0430\u043a\u0440\u044b\u0442\u0438\u0435 \u0432\u044b\u043f\u0430\u0434\u0430\u044e\u0449\u0438\u0445 \u043c\u0435\u043d\u044e \u043f\u043e \u043a\u043b\u0438\u043a\u0443 \u0441\u043d\u0430\u0440\u0443\u0436\u0438.<\/p>\n<h2 id=\"s6\">\u041f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0430 \u0438\u043c\u0435\u043d, .one() \u0438 \u0441\u0432\u043e\u0438 \u0441\u043e\u0431\u044b\u0442\u0438\u044f<\/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: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">$btn<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#save\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #E06C75\">$btn<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">on<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click.analytics\"<\/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\">\"\u0430\u043d\u0430\u043b\u0438\u0442\u0438\u043a\u0430\"<\/span><span style=\"color: #ABB2BF\">));<\/span>\n<span style=\"color: #E06C75\">$btn<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">on<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click.ui\"<\/span><span style=\"color: #ABB2BF\">, () =&gt; <\/span><span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\"<\/span><span style=\"color: #ABB2BF\">));<\/span>\n<span style=\"color: #E06C75\">$btn<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">one<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/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\">\"\u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0435\u0440\u0432\u044b\u0439 \u0440\u0430\u0437\"<\/span><span style=\"color: #ABB2BF\">));<\/span>\n\n<span style=\"color: #E06C75\">$btn<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">trigger<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/span><span style=\"color: #ABB2BF\">);  <\/span><span style=\"color: #7F848E\">\/\/ \u0430\u043d\u0430\u043b\u0438\u0442\u0438\u043a\u0430, \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441, \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0435\u0440\u0432\u044b\u0439 \u0440\u0430\u0437<\/span>\n<span style=\"color: #E06C75\">$btn<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">off<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\".analytics\"<\/span><span style=\"color: #ABB2BF\">); <\/span><span style=\"color: #7F848E\">\/\/ \u0441\u043d\u044f\u0442\u044c \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u044d\u0442\u043e\u0433\u043e \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0430<\/span>\n<span style=\"color: #E06C75\">$btn<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">trigger<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/span><span style=\"color: #ABB2BF\">);  <\/span><span style=\"color: #7F848E\">\/\/ \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441<\/span>\n\n<span style=\"color: #7F848E\">\/\/ \u0421\u0432\u043e\u0435 \u0441\u043e\u0431\u044b\u0442\u0438\u0435 \u0441 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430\u043c\u0438<\/span>\n<span style=\"color: #E06C75\">$btn<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">on<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"task:done\"<\/span><span style=\"color: #ABB2BF\">, (<\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">title<\/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: #E06C75\">id<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">));<\/span>\n<span style=\"color: #E06C75\">$btn<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">trigger<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"task:done\"<\/span><span style=\"color: #ABB2BF\">, [<\/span><span style=\"color: #D19A66\">7<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">\"\u041e\u0442\u0447\u0435\u0442\"<\/span><span style=\"color: #ABB2BF\">]); <\/span><span style=\"color: #7F848E\">\/\/ 7 \u041e\u0442\u0447\u0435\u0442<\/span><\/code><\/pre>\n<p>\u041f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u043e \u0438\u043c\u0435\u043d (<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\">click.analytics<\/code>) &#8212; \u043c\u0435\u0442\u043a\u0430 \u0433\u0440\u0443\u043f\u043f\u044b \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432. \u041e\u043d\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043d\u044f\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0432\u043e\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438, \u043d\u0435 \u0442\u0440\u043e\u0433\u0430\u044f \u0447\u0443\u0436\u0438\u0435 \u043f\u043b\u0430\u0433\u0438\u043d\u044b. \u041e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043e\u0434\u043d\u043e\u0433\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430 \u0432\u044b\u0437\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0432 \u043f\u043e\u0440\u044f\u0434\u043a\u0435 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0438. \u041b\u044e\u0431\u043e\u0435 \u0438\u043c\u044f, \u043d\u0435 \u0441\u043e\u0432\u043f\u0430\u0434\u0430\u044e\u0449\u0435\u0435 \u0441\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u043c \u0441\u043e\u0431\u044b\u0442\u0438\u0435\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\">task:done<\/code>), jQuery \u0441\u0447\u0438\u0442\u0430\u0435\u0442 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u043c: \u043e\u043d\u043e \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \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\">.trigger()<\/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\">.triggerHandler()<\/code>.<\/p>\n<h2 id=\"s7\">\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043e\u0448\u0438\u0431\u043a\u0438<\/h2>\n<p><strong>1. \u041f\u0440\u044f\u043c\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043d\u0430 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u0445, \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0435\u0449\u0435 \u043d\u0435\u0442.<\/strong><\/p>\n<p>\u0421\u043f\u0438\u0441\u043e\u043a &#8212; \u043a\u0430\u043a \u0432 \u043f\u0435\u0440\u0432\u043e\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435: \u043e\u0434\u0438\u043d \u043f\u0443\u043d\u043a\u0442 \u0441 \u043a\u043d\u043e\u043f\u043a\u043e\u0439 \u00abx\u00bb.<\/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 .remove\"<\/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\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #C678DD\">this<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">closest<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"li\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">remove<\/span><span style=\"color: #ABB2BF\">();<\/span>\n<span style=\"color: #ABB2BF\">});<\/span>\n<span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#tasks\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">append<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">'&lt;li&gt;\u041d\u043e\u0432\u0430\u044f &lt;button class=\"remove\"&gt;x&lt;\/button&gt;&lt;\/li&gt;'<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#tasks .remove\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">last<\/span><span style=\"color: #ABB2BF\">().<\/span><span style=\"color: #E06C75\">trigger<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#tasks li\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">length<\/span><span style=\"color: #ABB2BF\">); <\/span><span style=\"color: #7F848E\">\/\/ 2 - \u043d\u043e\u0432\u044b\u0439 \u043f\u0443\u043d\u043a\u0442 \u043d\u0435 \u0443\u0434\u0430\u043b\u0438\u043b\u0441\u044f<\/span><\/code><\/pre>\n<p>\u041e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043f\u0440\u0438\u0432\u044f\u0437\u0430\u043d \u0442\u043e\u043b\u044c\u043a\u043e \u043a \u043a\u043d\u043e\u043f\u043a\u0435, \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u043e\u0439 \u043f\u0440\u0438 \u0432\u044b\u0437\u043e\u0432\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\">.on()<\/code>. \u0418\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 &#8212; \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\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\">$(\"#tasks\").on(\"click\", \".remove\", fn)<\/code>, \u043f\u043e\u0441\u043b\u0435 \u0447\u0435\u0433\u043e \u0442\u043e\u0442 \u0436\u0435 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0439 \u043f\u0435\u0447\u0430\u0442\u0430\u0435\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">1<\/code>.<\/p>\n<p><strong>2. \u041f\u043e\u0432\u0442\u043e\u0440\u043d\u0430\u044f \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0430 \u043f\u0440\u0438 \u043a\u0430\u0436\u0434\u043e\u0439 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438.<\/strong><\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">initSave<\/span><span style=\"color: #ABB2BF\">() {<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#save\"<\/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\">, () =&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\">\"\u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u043e\"<\/span><span style=\"color: #ABB2BF\">));<\/span>\n<span style=\"color: #ABB2BF\">}<\/span>\n<span style=\"color: #E06C75\">initSave<\/span><span style=\"color: #ABB2BF\">();<\/span>\n<span style=\"color: #E06C75\">initSave<\/span><span style=\"color: #ABB2BF\">(); <\/span><span style=\"color: #7F848E\">\/\/ \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u043e\u0441\u043b\u0435 \u043f\u0435\u0440\u0435\u0440\u0438\u0441\u043e\u0432\u043a\u0438 \u0431\u043b\u043e\u043a\u0430<\/span>\n<span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#save\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">trigger<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/span><span style=\"color: #ABB2BF\">); <\/span><span style=\"color: #7F848E\">\/\/ \"\u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u043e\" \u043f\u0435\u0447\u0430\u0442\u0430\u0435\u0442\u0441\u044f \u0434\u0432\u0430\u0436\u0434\u044b<\/span><\/code><\/pre>\n<p>\u041a\u0430\u0436\u0434\u044b\u0439 \u0432\u044b\u0437\u043e\u0432 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.on()<\/code> \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u043e\u0432\u044b\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a, \u0430 \u043d\u0435 \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442 \u0441\u0442\u0430\u0440\u044b\u0439. \u0418\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 &#8212; \u0441\u043d\u0438\u043c\u0430\u0442\u044c \u0441\u0432\u043e\u0435 \u043f\u0435\u0440\u0435\u0434 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u043e\u0439: <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$(\"#save\").off(\"click.save\").on(\"click.save\", fn)<\/code>. \u0422\u043e\u0433\u0434\u0430 \u043f\u0440\u0438 \u0434\u0432\u0443\u0445 \u0432\u044b\u0437\u043e\u0432\u0430\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\">initSave()<\/code> \u0441\u0442\u0440\u043e\u043a\u0430 \u043f\u0435\u0447\u0430\u0442\u0430\u0435\u0442\u0441\u044f \u043e\u0434\u0438\u043d \u0440\u0430\u0437.<\/p>\n<p><strong>3. \u0421\u0442\u0440\u043e\u043a\u0430 \u0432 data \u0431\u0435\u0437 \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u0430.<\/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\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#save\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">on<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">\"hello\"<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> (<\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">) {<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">data<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">});<\/span>\n<span style=\"color: #E06C75\">$<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"#save\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">trigger<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/span><span style=\"color: #ABB2BF\">); <\/span><span style=\"color: #7F848E\">\/\/ \u043d\u0438\u0447\u0435\u0433\u043e \u043d\u0435 \u0432\u044b\u0432\u0435\u0434\u0435\u043d\u043e<\/span><\/code><\/pre>\n<p>\u0415\u0441\u043b\u0438 \u0432\u0442\u043e\u0440\u043e\u0439 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442 &#8212; \u0441\u0442\u0440\u043e\u043a\u0430, jQuery \u0441\u0447\u0438\u0442\u0430\u0435\u0442 \u0435\u0435 \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u043e\u043c \u0438 \u0438\u0449\u0435\u0442 \u043f\u043e\u0442\u043e\u043c\u043a\u043e\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\">&lt;hello&gt;<\/code>, \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043d\u0435\u0442. \u0418\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435: \u044f\u0432\u043d\u043e \u043f\u0435\u0440\u0435\u0434\u0430\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\">null<\/code> \u0432\u043c\u0435\u0441\u0442\u043e \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u0430 &#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\">.on(\"click\", null, \"hello\", fn)<\/code> &#8212; \u0438\u043b\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0442\u044c \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\">{ msg: \"hello\" }<\/code>.<\/p>\n<h2 id=\"s8\">\u041d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u0430\u043d\u0430\u043b\u043e\u0433 \u0431\u0435\u0437 jQuery<\/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: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">list<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><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\">\"#tasks\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">controller<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">new<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">AbortController<\/span><span style=\"color: #ABB2BF\">();<\/span>\n\n<span style=\"color: #E06C75\">list<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">addEventListener<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"click\"<\/span><span style=\"color: #ABB2BF\">, (<\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">) =&gt; {<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">btn<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">target<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">closest<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\".remove\"<\/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\">btn<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">||<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">!<\/span><span style=\"color: #E06C75\">list<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">contains<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">btn<\/span><span style=\"color: #ABB2BF\">)) <\/span><span style=\"color: #C678DD\">return<\/span><span style=\"color: #ABB2BF\">; <\/span><span style=\"color: #7F848E\">\/\/ \u043a\u043b\u0438\u043a \u043d\u0435 \u043f\u043e \u043a\u043d\u043e\u043f\u043a\u0435<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #E06C75\">btn<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">closest<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"li\"<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">remove<\/span><span style=\"color: #ABB2BF\">();<\/span>\n<span style=\"color: #ABB2BF\">}, { <\/span><span style=\"color: #E06C75\">signal<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">controller<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">signal<\/span><span style=\"color: #ABB2BF\"> });<\/span>\n\n<span style=\"color: #7F848E\">\/\/ controller.abort(); \/\/ \u0441\u043d\u044f\u0442\u044c \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a<\/span><\/code><\/pre>\n<table>\n<thead>\n<tr>\n<th>jQuery<\/th>\n<th>\u041d\u0430\u0442\u0438\u0432\u043d\u043e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\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\">addEventListener(\"click\", fn)<\/code><\/td>\n<\/tr>\n<tr>\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\", \".remove\", fn)<\/code><\/td>\n<td>\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043d\u0430 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\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(\".remove\")<\/code><\/td>\n<\/tr>\n<tr>\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\">.one(\"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\">addEventListener(\"click\", fn, { once: true })<\/code><\/td>\n<\/tr>\n<tr>\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\">.off(\".ns\")<\/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\">AbortController<\/code> \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\">signal<\/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\">removeEventListener<\/code> \u0441 \u0442\u043e\u0439 \u0436\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0435\u0439<\/td>\n<\/tr>\n<tr>\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\">.trigger(\"task:done\")<\/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\">dispatchEvent(new CustomEvent(\"task:done\", { detail }))<\/code><\/td>\n<\/tr>\n<tr>\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\">delegate<\/code> \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\">focus<\/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\">focusin<\/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\">addEventListener(..., { capture: true })<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u041f\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\">list.contains(btn)<\/code> \u043d\u0443\u0436\u043d\u0430, \u0435\u0441\u043b\u0438 \u0441\u043f\u0438\u0441\u043e\u043a \u0432\u043b\u043e\u0436\u0435\u043d \u0432 \u0434\u0440\u0443\u0433\u043e\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0441 \u043a\u043b\u0430\u0441\u0441\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\">remove<\/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> \u043f\u043e\u0434\u043d\u0438\u043c\u0430\u0435\u0442\u0441\u044f \u0432\u044b\u0448\u0435 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430.<\/p>\n<h2 id=\"s9\">\u0415\u0441\u043b\u0438 \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c<\/h2>\n<ul>\n<li>\u041e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043d\u0435 \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0432\u043e\u0432\u0441\u0435: \u0441\u043a\u0440\u0438\u043f\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u043b\u0441\u044f \u0434\u043e \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u043c\u0435\u0442\u043a\u0438. \u041e\u0431\u0435\u0440\u043d\u0438\u0442\u0435 \u043a\u043e\u0434 \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\">$(function () { ... })<\/code> \u0438\u043b\u0438 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0439\u0442\u0435 \u0441\u043a\u0440\u0438\u043f\u0442 \u0432 \u043a\u043e\u043d\u0446\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">&lt;body&gt;<\/code>.<\/li>\n<li>\u0421\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0430 \u0441\u0442\u0430\u0440\u044b\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u0445: \u043d\u0443\u0436\u0435\u043d \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043d\u0430 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u043c \u043f\u0440\u0435\u0434\u043a\u0435.<\/li>\n<li>\u0421\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0434\u0432\u0430\u0436\u0434\u044b: <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.on()<\/code> \u0432\u044b\u0437\u0432\u0430\u043b\u0438 \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e. \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">.off(\"click.ns\").on(\"click.ns\", fn)<\/code>.<\/li>\n<li><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">$ is not defined<\/code>: jQuery \u043d\u0435 \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d \u0438\u043b\u0438 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d \u043f\u043e\u0441\u043b\u0435 \u0432\u0430\u0448\u0435\u0433\u043e \u0441\u043a\u0440\u0438\u043f\u0442\u0430.<\/li>\n<li>\u0424\u043e\u0440\u043c\u0430 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u0442 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0443: \u043d\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\">event.preventDefault()<\/code> \u0432 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\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\">submit<\/code> \u0438\u043b\u0438 \u043e\u0448\u0438\u0431\u043a\u0430 \u0432\u044b\u0448\u0435 \u043f\u043e \u043a\u043e\u0434\u0443 \u043f\u0440\u0435\u0440\u0432\u0430\u043b\u0430 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u0434\u043e \u044d\u0442\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438.<\/li>\n<\/ul>\n<h2 id=\"s10\">\u0412\u044b\u0432\u043e\u0434\u044b<\/h2>\n<ul>\n<li><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()<\/code> &#8212; \u0435\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0438 \u0432 jQuery; <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\">.off()<\/code> \u0441\u043d\u0438\u043c\u0430\u0435\u0442 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\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\">.one()<\/code> \u0434\u0430\u0435\u0442 \u043e\u0434\u043d\u043e\u043a\u0440\u0430\u0442\u043d\u044b\u0439 \u0432\u044b\u0437\u043e\u0432.<\/li>\n<li>\u0414\u043b\u044f \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432, \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0445 \u043f\u043e\u0437\u0436\u0435, \u043d\u0443\u0436\u0435\u043d \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\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\">.on(\"click\", \".\u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\", fn)<\/code> \u043d\u0430 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u043c \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0435.<\/li>\n<li>\u0412 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\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\">this<\/code> &#8212; \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u043f\u043e\u0434 \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\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\">event.target<\/code> &#8212; \u0442\u043e\u0447\u043a\u0430 \u043a\u043b\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\">event.delegateTarget<\/code> &#8212; \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440.<\/li>\n<li><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\">return false<\/code> \u0432 jQuery \u043e\u0442\u043c\u0435\u043d\u044f\u0435\u0442 \u0438 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430, \u0438 \u0432\u0441\u043f\u043b\u044b\u0442\u0438\u0435; \u0434\u043b\u044f \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u0437 \u043d\u0438\u0445 \u0432\u044b\u0437\u044b\u0432\u0430\u0439\u0442\u0435 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434.<\/li>\n<li>\u041f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0430 \u0438\u043c\u0435\u043d \u0437\u0430\u0449\u0438\u0449\u0430\u044e\u0442 \u043e\u0442 \u0434\u0432\u043e\u0439\u043d\u043e\u0439 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0438 \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0441\u043d\u0438\u043c\u0430\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0432\u043e\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438.<\/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>\u041e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0441\u043e\u0431\u044b\u0442\u0438\u0439 \u043d\u0443\u0436\u043d\u0430 \u0432 \u043b\u044e\u0431\u043e\u043c \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u0435: \u0444\u043e\u0440\u043c\u044b, \u043c\u0435\u043d\u044e, \u043c\u043e\u0434\u0430\u043b\u044c\u043d\u044b\u0435 \u043e\u043a\u043d\u0430, \u0444\u0438\u043b\u044c\u0442\u0440\u044b \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430. \u041d\u0430 jQuery \u0434\u043e \u0441\u0438\u0445 \u043f\u043e\u0440 \u0434\u0435\u0440\u0436\u0438\u0442\u0441\u044f \u043c\u043d\u043e\u0433\u043e \u0430\u0434\u043c\u0438\u043d\u043e\u043a \u0438 CMS-\u0442\u0435\u043c, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0435\u0433\u043e \u0441\u043e\u0431\u044b\u0442\u0438\u0439\u043d\u0443\u044e \u043c\u043e\u0434\u0435\u043b\u044c \u043f\u043e\u043b\u0435\u0437\u043d\u043e \u0447\u0438\u0442\u0430\u0442\u044c, \u0430 \u043d\u043e\u0432\u044b\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u043f\u0438\u0441\u0430\u0442\u044c \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\">addEventListener<\/code> \u0438\u043b\u0438 \u0432\u043e \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0435. \u0421\u0438\u0441\u0442\u0435\u043c\u043d\u043e \u0441\u043e\u0431\u044b\u0442\u0438\u0439\u043d\u0443\u044e \u043c\u043e\u0434\u0435\u043b\u044c \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 \u0438 DOM \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u044e\u0442 \u043d\u0430 \u043a\u0443\u0440\u0441\u0435 <a href=\"https:\/\/otus.ru\/lessons\/javascript-basic\/?int_article=jquery-chto-nuzhno-znat-ob-obrabotke-sobytij&amp;int_place=article&amp;int_variant=v1\">\u00abJavaScript-\u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a. \u0411\u0430\u0437\u043e\u0432\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c\u00bb<\/a>. \u041f\u043e\u043f\u0440\u043e\u0431\u043e\u0432\u0430\u0442\u044c \u0444\u043e\u0440\u043c\u0430\u0442 \u043c\u043e\u0436\u043d\u043e \u043d\u0430 <a href=\"https:\/\/otus.ru\/events\/?int_article=jquery-chto-nuzhno-znat-ob-obrabotke-sobytij&amp;int_place=article&amp;int_variant=v1\">\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>\u0427\u0435\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\">.on()<\/code> \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \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\">.bind()<\/code>?<\/strong><br \/>\n<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\">.bind()<\/code> \u0443\u043c\u0435\u043b \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u044f\u043c\u0443\u044e \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0443 \u0438 \u0443\u0441\u0442\u0430\u0440\u0435\u043b \u0441 jQuery 3.0; <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()<\/code> \u043f\u043e\u043a\u0440\u044b\u0432\u0430\u0435\u0442 \u0438 \u043f\u0440\u044f\u043c\u0443\u044e, \u0438 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0443\u044e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0443. \u041a\u043e\u0434 \u0441 <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\">.bind()<\/code> \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0438 \u0432 4.0.0, \u043d\u043e \u043f\u0440\u0438 \u043f\u0440\u0430\u0432\u043a\u0430\u0445 \u0435\u0433\u043e \u043b\u0443\u0447\u0448\u0435 \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0438\u0442\u044c \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\">.on()<\/code>.<\/p>\n<p><strong>\u041c\u043e\u0436\u043d\u043e \u043b\u0438 \u0432\u044b\u0437\u0432\u0430\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\">.off()<\/code> \u0431\u0435\u0437 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432?<\/strong><br \/>\n\u041c\u043e\u0436\u043d\u043e, \u043d\u043e \u0442\u0430\u043a \u0441\u043d\u0438\u043c\u0443\u0442\u0441\u044f \u0432\u0441\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0447\u0443\u0436\u0438\u0435 \u043f\u043b\u0430\u0433\u0438\u043d\u044b. \u041d\u0430\u0434\u0435\u0436\u043d\u0435\u0435 \u0441\u043d\u0438\u043c\u0430\u0442\u044c \u043f\u043e \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0443 \u0438\u043c\u0435\u043d: <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\">.off(\".myWidget\")<\/code>.<\/p>\n<p><strong>\u0421\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \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\">.trigger(\"click\")<\/code> \u043a\u0430\u043a \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0438\u0439 \u043a\u043b\u0438\u043a?<\/strong><br \/>\n\u041e\u043d \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 jQuery \u0438, \u0435\u0441\u043b\u0438 \u0443 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430 \u0435\u0441\u0442\u044c \u043e\u0434\u043d\u043e\u0438\u043c\u0435\u043d\u043d\u044b\u0439 \u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434, \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u0431\u0440\u0430\u0443\u0437\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\">.trigger(\"click\")<\/code> \u043d\u0430 \u0447\u0435\u043a\u0431\u043e\u043a\u0441\u0435 \u043f\u0435\u0440\u0435\u043a\u043b\u044e\u0447\u0438\u0442 \u0433\u0430\u043b\u043e\u0447\u043a\u0443. \u0418\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 &#8212; \u0441\u0441\u044b\u043b\u043a\u0438: \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\">&lt;a&gt;<\/code> jQuery \u043d\u0430\u043c\u0435\u0440\u0435\u043d\u043d\u043e \u043d\u0435 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430\u0442\u0438\u0432\u043d\u044b\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\">click()<\/code>, \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0430 \u043f\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\">href<\/code> \u043d\u0435 \u0431\u0443\u0434\u0435\u0442, \u0438 \u0441\u043b\u0443\u0448\u0430\u0442\u0435\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\">addEventListener<\/code> \u043d\u0430 \u0441\u0441\u044b\u043b\u043a\u0435 \u043d\u0435 \u0441\u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442. \u041d\u043e \u044d\u0442\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0439 \u0432\u044b\u0437\u043e\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\">event.originalEvent<\/code> \u0432 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0435 \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\">undefined<\/code>, \u0438 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