{"id":102649,"date":"2025-03-22T12:54:45","date_gmt":"2025-03-22T08:24:45","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/optimizing-javascript-event-handling-bubbling-and-delegation-2681\/"},"modified":"2025-03-22T12:54:45","modified_gmt":"2025-03-22T08:24:45","slug":"optimizing-javascript-event-handling-bubbling-and-delegation-2681","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/optimizing-javascript-event-handling-bubbling-and-delegation-2681\/","title":{"rendered":"\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f JavaScript: \u062d\u0628\u0627\u0628 \u0648 \u0647\u06cc\u0626\u062a"},"content":{"rendered":"<div data-article-id=\"2349656\" id=\"article-body\">\n<p>\u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627\u06cc JavaScript \u062f\u0631 \u0647\u0645\u0647 \u062c\u0627 \u062f\u0631 \u0648\u0628 \u0627\u0633\u062a. \u0628\u0627 \u06a9\u0644\u06cc\u06a9 \u0628\u0631 \u0631\u0648\u06cc \u06cc\u06a9 \u062f\u06a9\u0645\u0647 \u060c \u062a\u0627\u06cc\u067e \u06a9\u0631\u062f\u0646 \u062f\u0631 \u062c\u0639\u0628\u0647 \u0645\u062a\u0646 \u06cc\u0627 \u062d\u062a\u06cc \u062d\u0631\u06a9\u062a \u0645\u0627\u0648\u0633 \u0634\u0645\u0627 \u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f. \u0627\u0645\u0627 \u0622\u06cc\u0627 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u0641\u06a9\u0631 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0627\u06cc\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 DOM \u062d\u0631\u06a9\u062a \u0645\u06cc \u06a9\u0646\u0646\u062f\u061f \u0627\u06cc\u0646\u062c\u0627\u0633\u062a \u06a9\u0647 \u062d\u0628\u0627\u0628 \u0631\u0648\u06cc\u062f\u0627\u062f \u0648 \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f \u0628\u0647 \u0645\u0631\u062d\u0644\u0647 \u0627\u062c\u0631\u0627 \u062f\u0631 \u0645\u06cc \u0622\u06cc\u0646\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0631\u0648\u0634\u06cc \u062a\u062c\u0632\u06cc\u0647 \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0631 \u0648\u0627\u0642\u0639 \u0645\u0646\u0637\u0642\u06cc \u0628\u0627\u0634\u062f!<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-javascript-event-handling-bubbling-and-delegation-2681\/#%D8%AF%D8%B1_JavaScript_%DA%86%D9%87_%D8%AD%D8%A7%D8%AF%D8%AB%D9%87_%D8%A7%DB%8C_%D8%AF%D8%A7%D8%B1%D8%AF%D8%9F\" >\u062f\u0631 JavaScript \u0686\u0647 \u062d\u0627\u062f\u062b\u0647 \u0627\u06cc \u062f\u0627\u0631\u062f\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-javascript-event-handling-bubbling-and-delegation-2681\/#%D8%AD%D8%A8%D8%A7%D8%A8_%D8%B1%D9%88%DB%8C%D8%AF%D8%A7%D8%AF_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\" >\u062d\u0628\u0627\u0628 \u0631\u0648\u06cc\u062f\u0627\u062f \u0686\u06cc\u0633\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-javascript-event-handling-bubbling-and-delegation-2681\/#%D9%86%D9%85%D8%A7%DB%8C%D9%86%D8%AF%DA%AF%DB%8C_%D8%B1%D9%88%DB%8C%D8%AF%D8%A7%D8%AF_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\" >\u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f \u0686\u06cc\u0633\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-javascript-event-handling-bubbling-and-delegation-2681\/#%D9%BE%DB%8C%DA%86%DB%8C%D8%AF%D9%86\" >\u067e\u06cc\u0686\u06cc\u062f\u0646<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D8%AF%D8%B1_JavaScript_%DA%86%D9%87_%D8%AD%D8%A7%D8%AF%D8%AB%D9%87_%D8%A7%DB%8C_%D8%AF%D8%A7%D8%B1%D8%AF%D8%9F\"><\/span>\n<p>  \u062f\u0631 JavaScript \u0686\u0647 \u062d\u0627\u062f\u062b\u0647 \u0627\u06cc \u062f\u0627\u0631\u062f\u061f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0642\u0628\u0644 \u0627\u0632 \u067e\u0631\u0634 \u0628\u0647 \u062d\u0628\u0627\u0628 \u0648 \u0647\u06cc\u0626\u062a \u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u0633\u0631\u0639\u062a \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f \u0686\u06cc\u0633\u062a. \u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f \u062f\u0631 \u0648\u0627\u0642\u0639 \u0639\u0645\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0645\u0631\u0648\u0631\u06af\u0631 \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc \u0627\u0641\u062a\u062f \u060c \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u06a9\u0644\u06cc\u06a9 \u06cc\u0627 \u06cc\u06a9 \u0645\u0637\u0628\u0648\u0639\u0627\u062a \u06a9\u0644\u06cc\u062f. \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 JavaScript \u0628\u0647 \u0627\u06cc\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u06af\u0648\u0634 \u0641\u0631\u0627 \u062f\u0647\u06cc\u062f \u0648 \u062a\u0635\u0645\u06cc\u0645 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u0647\u0646\u06af\u0627\u0645 \u0648\u0642\u0648\u0639 \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u06cc\u0627\u0628\u06cc \u0628\u0647 \u06cc\u06a9 \u062f\u06a9\u0645\u0647 \u06a9\u0644\u06cc\u06a9 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const button = document.getElementById(\"myButton\");\nbutton.addEventListener(\"click\", () =&gt; {\n    alert(\"You clicked the button!\");\n});\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<h2><span class=\"ez-toc-section\" id=\"%D8%AD%D8%A8%D8%A7%D8%A8_%D8%B1%D9%88%DB%8C%D8%AF%D8%A7%D8%AF_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\"><\/span>\n<p>  \u062d\u0628\u0627\u0628 \u0631\u0648\u06cc\u062f\u0627\u062f \u0686\u06cc\u0633\u062a\u061f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062d\u0628\u0627\u0628 \u0631\u0648\u06cc\u062f\u0627\u062f \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f \u0627\u0632 \u0639\u0646\u0635\u0631 \u0647\u062f\u0641 \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0627\u062c\u062f\u0627\u062f \u062e\u0648\u062f \u062d\u0631\u06a9\u062a \u0645\u06cc \u06a9\u0646\u062f. \u0645\u0627\u0646\u0646\u062f \u062d\u0628\u0627\u0628 \u062f\u0631 \u0622\u0628 \u0628\u0647 \u0622\u0646 \u0641\u06a9\u0631 \u06a9\u0646\u06cc\u062f &#8211; \u067e\u0633 \u0627\u0632 \u0627\u06cc\u062c\u0627\u062f \u0622\u0646\u0647\u0627 \u060c \u0628\u0647 \u0628\u0627\u0644\u0627 \u0642\u06cc\u0627\u0645 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<p><strong>\u0686\u06af\u0648\u0646\u0647 \u062d\u0628\u0627\u0628 \u0631\u0648\u06cc\u062f\u0627\u062f \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f<\/strong><br \/>\u0627\u06cc\u0646 \u0633\u0627\u062e\u062a\u0627\u0631 HTML \u0631\u0627 \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code><p>\n    <button id=\"child\">Click Me<\/button>\n<\/p>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062d\u0627\u0644 \u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0634\u0646\u0648\u0646\u062f\u06af\u0627\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u0631\u0627 \u0628\u0647 \u0647\u0631 \u062f\u0648 \u0648\u0627\u0644\u062f\u06cc\u0646 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645 <code><\/p>\n<div> and the child <code><button\/><\/code>:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>document.getElementById(\"parent\").addEventListener(\"click\", () =&gt; {\n    console.log(\"Parent clicked\");\n});\n\ndocument.getElementById(\"child\").addEventListener(\"click\", () =&gt; {\n    console.log(\"Child clicked\");\n});\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><strong>\u0648\u0642\u062a\u06cc \u0631\u0648\u06cc \u062f\u06a9\u0645\u0647 \u06a9\u0644\u06cc\u06a9 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f\u061f<\/strong><br \/>\u0648\u0642\u062a\u06cc \u0631\u0648\u06cc \u062f\u06a9\u0645\u0647 \u06a9\u0644\u06cc\u06a9 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u060c \u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>Child clicked\nParent clicked\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0686\u0631\u0627\u061f \u0632\u06cc\u0631\u0627 \u0627\u06cc\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u0627\u0628\u062a\u062f\u0627 \u0631\u0648\u06cc \u062f\u06a9\u0645\u0647 \u0634\u0644\u06cc\u06a9 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0633\u067e\u0633 \u0628\u0647 \u0648\u0627\u0644\u062f\u06cc\u0646 \u062d\u0628\u0627\u0628 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p><strong>\u0645\u062a\u0648\u0642\u0641 \u06a9\u0631\u062f\u0646 \u062d\u0628\u0627\u0628 \u0631\u0648\u06cc\u062f\u0627\u062f<\/strong><br \/>\u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u060c \u0634\u0645\u0627 \u0646\u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f \u062d\u0628\u0627\u0628 \u0634\u0648\u062f. \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0645\u062a\u0648\u0642\u0641 \u0634\u0648\u06cc\u062f <code>event.stopPropagation()<\/code><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>document.getElementById(\"child\").addEventListener(\"click\", (event) =&gt; {\n    console.log(\"Child clicked\");\n    event.stopPropagation();\n});\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u060c \u06a9\u0644\u06cc\u06a9 \u0631\u0648\u06cc \u062f\u06a9\u0645\u0647 \u0641\u0642\u0637 \u0648\u0627\u0631\u062f \u0645\u06cc \u0634\u0648\u062f <code>Child clicked<\/code> \u0648 \u0631\u0648\u06cc\u062f\u0627\u062f \u0648\u0627\u0644\u062f\u06cc\u0646 \u0631\u0627 \u062a\u062d\u0631\u06cc\u06a9 \u0646\u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<hr\/>\n<h2><span class=\"ez-toc-section\" id=\"%D9%86%D9%85%D8%A7%DB%8C%D9%86%D8%AF%DA%AF%DB%8C_%D8%B1%D9%88%DB%8C%D8%AF%D8%A7%D8%AF_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\"><\/span>\n<p>  \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f \u0686\u06cc\u0633\u062a\u061f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0647 \u062c\u0627\u06cc \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0634\u0646\u0648\u0646\u062f\u06af\u0627\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u0628\u0647 \u0686\u0646\u062f\u06cc\u0646 \u0639\u0646\u0635\u0631 \u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0646 \u0634\u0646\u0648\u0646\u062f\u0647 \u0628\u0631 \u0631\u0648\u06cc \u0639\u0646\u0635\u0631 \u0648\u0627\u0644\u062f\u06cc\u0646 \u0648 \u0628\u0631\u0631\u0633\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u06a9\u0648\u062f\u06a9 \u0631\u0648\u06cc \u0622\u0646 \u06a9\u0644\u06cc\u06a9 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a \u060c \u0627\u0632 \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p><strong>\u0686\u0631\u0627 \u0627\u0632 \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645\u061f<\/strong><\/p>\n<ul>\n<li>\u0644\u0627\u0632\u0645 \u0646\u06cc\u0633\u062a \u0634\u0646\u0648\u0646\u062f\u06af\u0627\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u0631\u0627 \u0628\u0647 \u0647\u0631 \u0639\u0646\u0635\u0631 \u06a9\u0648\u062f\u06a9 \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0647\u06cc\u062f.<\/li>\n<li>\u0631\u0648\u06cc \u0639\u0646\u0627\u0635\u0631 \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0647 \u067e\u0648\u06cc\u0627 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\u0627\u06cc\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u0647\u0646\u06af\u0627\u0645 \u0628\u0631\u062e\u0648\u0631\u062f \u0628\u0627 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u0628\u0647\u0628\u0648\u062f \u0645\u06cc \u0628\u062e\u0634\u062f.<\/li>\n<\/ul>\n<p><strong>\u0645\u062b\u0627\u0644: \u06a9\u0644\u06cc\u06a9 \u0628\u0631 \u0631\u0648\u06cc \u0645\u0648\u0627\u0631\u062f \u0644\u06cc\u0633\u062a<\/strong><br \/>\u0627\u06cc\u0646 HTML \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>\n<button id=\"addItem\">Add Item<\/button>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0647 \u062c\u0627\u06cc \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0634\u0646\u0648\u0646\u062f\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f \u0628\u0647 \u0647\u0631 \u0645\u0648\u0631\u062f \u0644\u06cc\u0633\u062a \u060c \u0645\u0627 \u06cc\u06a9\u06cc \u0631\u0627 \u0628\u0647 \u0648\u0627\u0644\u062f\u06cc\u0646 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code\/> and check which item was clicked:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>document.getElementById(\"listContainer\").addEventListener(\"click\", (event) =&gt; {\n    if (event.target.classList.contains(\"list-item\")) {\n        console.log(\"Clicked on: \" + event.target.textContent);\n    }\n});\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062d\u0627\u0644 \u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0645\u0648\u0627\u0631\u062f \u0644\u06cc\u0633\u062a \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u0648\u06cc\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>document.getElementById(\"addItem\").addEventListener(\"click\", () =&gt; {\n    const newItem = document.createElement(\"li\");\n    newItem.classList.add(\"list-item\");\n    newItem.textContent = \"New Item\";\n    document.getElementById(\"listContainer\").appendChild(newItem);\n});\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062d\u062a\u06cc \u0627\u06af\u0631 \u0645\u0648\u0627\u0631\u062f \u0644\u06cc\u0633\u062a \u062c\u062f\u06cc\u062f \u0628\u0639\u062f\u0627\u064b \u0627\u0636\u0627\u0641\u0647 \u0634\u0648\u062f \u060c \u0622\u0646\u0647\u0627 \u0647\u0646\u0648\u0632 \u0647\u0645 \u0631\u0648\u06cc\u062f\u0627\u062f \u06a9\u0644\u06cc\u06a9 \u0631\u0627 \u062a\u062d\u0631\u06cc\u06a9 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u0627\u06cc\u0646 \u0642\u062f\u0631\u062a \u0647\u06cc\u0626\u062a \u0631\u0648\u06cc\u062f\u0627\u062f \u0627\u0633\u062a!<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%BE%DB%8C%DA%86%DB%8C%D8%AF%D9%86\"><\/span>\n<p>  \u067e\u06cc\u0686\u06cc\u062f\u0646<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631\u06a9 \u062d\u0628\u0627\u0628 \u0631\u0648\u06cc\u062f\u0627\u062f \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u0628\u062f\u0627\u0646\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0627\u0632 DOM \u0639\u0628\u0648\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f \u060c \u0648 \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0627\u0631\u0622\u0645\u062f \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u062f. \u0622\u0646\u0647\u0627 \u0628\u0627 \u0647\u0645 \u060c \u06a9\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0634\u0645\u0627 \u0631\u0627 \u062a\u0645\u06cc\u0632 \u062a\u0631 \u0648 \u0628\u0647\u06cc\u0646\u0647 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<\/p><\/div>\n<p>        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