{"id":4657,"date":"2023-09-13T23:25:27","date_gmt":"2023-09-13T15:25:27","guid":{"rendered":"https:\/\/zyrastory.com\/?p=4657"},"modified":"2023-09-13T23:28:40","modified_gmt":"2023-09-13T15:28:40","slug":"why-doesnt-dynamically-created-element-trigger-jquery-click-events","status":"publish","type":"post","link":"https:\/\/zyrastory.com\/coding\/note\/why-doesnt-dynamically-created-element-trigger-jquery-click-events\/","title":{"rendered":"\u70ba\u4ec0\u9ebc\u52d5\u614b\u7522\u751f\u7684\u7269\u4ef6\u7121\u6cd5\u89f8\u767c JQuery click \u4e8b\u4ef6!?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_66_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >\u5167\u5bb9\u76ee\u9304<\/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:\/\/zyrastory.com\/coding\/note\/why-doesnt-dynamically-created-element-trigger-jquery-click-events\/#%e5%89%8d%e8%a8%80\" title=\"\u524d\u8a00\">\u524d\u8a00<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/zyrastory.com\/coding\/note\/why-doesnt-dynamically-created-element-trigger-jquery-click-events\/#%e6%9c%ac%e6%96%87\" title=\"\u672c\u6587\">\u672c\u6587<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/zyrastory.com\/coding\/note\/why-doesnt-dynamically-created-element-trigger-jquery-click-events\/#%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%b3%95\" title=\"\u89e3\u6c7a\u65b9\u6cd5\">\u89e3\u6c7a\u65b9\u6cd5<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/zyrastory.com\/coding\/note\/why-doesnt-dynamically-created-element-trigger-jquery-click-events\/#%e7%b5%90%e8%ab%96\" title=\"\u7d50\u8ad6\">\u7d50\u8ad6<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%e5%89%8d%e8%a8%80\"><\/span><strong>\u524d\u8a00<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6700\u8fd1\u81e8\u6642\u88ab\u516c\u53f8\u6293\u56de\u53bb\u5beb\u8457C# .NET\u7684\u5c08\u6848\uff0c\u53ea\u80fd\u628a\u6e90\u78bc\u6383\u63cf\u4e1f\u5728\u4e00\u908a\u4e86<\/p>\n\n\n\n<p>\u7136\u5f8c\u5728\u64b0\u5beb\u8457Menu\u529f\u80fd\u6642\u9047\u4e0a\u4e86\u4eca\u5929\u7684\u9019\u500b\u554f\u984c<\/p>\n\n\n\n<p>\u89ba\u5f97\u883b\u6709\u8da3\u7684\u5c31\u8a18\u9304\u4e0b\u4f86\u4e86<\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%e6%9c%ac%e6%96%87\"><\/span><strong>\u672c\u6587<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u73fe\u5728\u76f4\u63a5\u4f86\u770b\u4e0b\u7bc4\u4f8b\uff0c\u5927\u5bb6\u5c31\u80fd\u4e86\u89e3\u6211\u8aaa\u7684\u554f\u984c\u4e86<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-html\" data-lang=\"HTML\"><code>&lt;script src=&quot;https:\/\/code.jquery.com\/jquery-3.7.1.min.js&quot;&gt;&lt;\/script&gt; \n&lt;span id=&quot;static&quot; class=&quot;test&quot;&gt;\u975c\u614b&lt;\/span&gt;\n&lt;\/br&gt;\n&lt;\/br&gt;\n&lt;div id=&quot;div&quot;&gt;&lt;\/div&gt;\n\n&lt;script&gt;\n$(&#39;.test&#39;).on(&#39;click&#39;, function () {\n\tvar clickID = $(this).attr(&#39;id&#39;);\n    alert(&#39;\u9ede\u64ca\u7684\u5143\u7d20ID\u662f\uff1a&#39; + clickID);\n})\n\nvar d = $(&#39;#div&#39;);\nvar span = document.createElement(&#39;span&#39;);\nspan.id = &#39;dynamic&#39;;\nspan.className = &#39;test&#39;;\nspan.textContent = &#39;\u52d5\u614b&#39;;\n\nd.append(span);\n&lt;\/script&gt;<\/code><\/pre><\/div>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u6709\u4e00\u500b\u7c21\u55ae\u7684.on click\u4e8b\u4ef6\uff0c\u82e5\u662f\u5143\u7d20class\u70ba<strong>test<\/strong> \uff0c\u9ede\u64ca\u5c31\u6703alert\u5b83\u7684ID<\/p>\n\n\n\n<p>\u53e6\u5916\u5beb\u4e86\u500b\u52d5\u614b\u7522\u751f\u7684span\uff0c\u4e5f\u6709\u4e00\u6a23\u7684class<\/p>\n\n\n\n<p>\u4f46\u9019\u6642\u5019\u795e\u5947\u7684\u4e8b\u60c5\u767c\u751f\u4e86\uff0c\u9ede\u64ca\u300c\u975c\u614b\u300d\u90fd\u6c92\u554f\u984c\uff0c<strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#cf2e2e\" class=\"has-inline-color\">\u4f46\u300c\u52d5\u614b\u300d\u537b\u5b8c\u5168\u6c92\u53cd\u61c9!!<\/mark><\/strong><\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u5de6\u601d\u53f3\u60f3\uff0c\u90fd\u89ba\u5f97\u9019\u4ef6\u4e8b\u600e\u9ebc\u6703\u767c\u751f!?<\/p>\n\n\n\n<p>\u5f8c\u4f86\u5f97\u51fa\u7684\u7d50\u8ad6\u5927\u6982\u662f\uff0c\u5728\u300c$(&#8216;.test&#8217;).on(&#8216;click&#8217;, function ()&#8230;\u300d\u9019\u4e00\u6bb5\u7684\u6642\u5019<\/p>\n\n\n\n<p>JQuery\u6703\u53bb\u6aa2\u67e5\u9801\u9762\u4e0a\u6240\u6709element\u4e26\u78ba\u8a8d\u5e36\u6709class\u70batest\u7684\u5143\u7d20<\/p>\n\n\n\n<p>\u53ef\u80fd\u900f\u904eID\uff0c\u6216\u662fXPath\u7b49\u65b9\u5f0f\u8a18\u9304\u4e0b\u4f86<\/p>\n\n\n\n<p>\u4e26\u5728\u9ede\u64ca\u6642\u5c31\u53ef\u4ee5\u9032\u884c\u5224\u65b7\uff0c\u9019\u6a23\u5c31\u89e3\u91cb\u5f97\u901a\u70ba\u4ec0\u9ebc\u5f8c\u9762\u7522\u751f\u7684\u5143\u7d20\u6c92\u8fa6\u6cd5\u89f8\u767c\u4e86<\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%b3%95\"><\/span><strong>\u89e3\u6c7a\u65b9\u6cd5<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5176\u5be6\u4e5f\u5f88\u7c21\u55ae\uff0c\u5148\u5c07\u7269\u4ef6\u52d5\u614b\u7522\u751f\u5f8c\u518d\u4f86\u5bebJQuery\u7684\u5168\u57df on click\u4e8b\u4ef6<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u6216\u662f\u76f4\u63a5\u7528JS\u7684click\u5c31\u53ef\u4ee5\u76f4\u63a5\u7d81\u5728\u7279\u5b9a\u7684\u5143\u7d20\u4e0a\u9762\u4e86<\/p>\n\n\n\n<p>\u50cf\u662f\u9019\u6a23 : <\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-lang=\"JavaScript\"><code>var span = document.createElement(&#39;span&#39;);\nspan.id = &#39;dynamic&#39;;\nspan.className = &#39;test&#39;;\nspan.textContent = &#39;\u52d5\u614b&#39;;\nspan.onclick = function () {\n    console.log(&#39;\u52d5\u614b &lt;span&gt; \u5143\u7d20\u88ab\u9ede\u64ca\u4e86&#39;);\n};<\/code><\/pre><\/div>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%e7%b5%90%e8%ab%96\"><\/span><strong>\u7d50\u8ad6<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u9019\u500b\u771f\u7684\u662f\u4e00\u500b\u5927\u5751!! \u539f\u4f86JQuery\u7684\u4e8b\u4ef6\u662f\u5728\u5b9a\u7fa9<strong>.on click<\/strong>\u90a3\u6642\u5019\u5de1\u67e5\u9801\u9762\u5143\u7d20\u4e26\u7d81\u5b9a\u7684<\/p>\n\n\n\n<p>\u4e0d\u904e\u60f3\u60f3\u4e5f\u7b97\u5408\u7406\u7684\uff0c\u5c31\u662f\u4e00\u500b\u521d\u59cb\u5316\u7684\u611f\u89ba~<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>\ud83e\udde1\u5e6b\u6211\u9ede\u4e00\u500b\u5c0f\u5c0f\u7684\u5ee3\u544a\u6216\u7559\u8a00\uff0c\u90fd\u662f\u5c0d\u6211\u7684\u652f\u6301<\/strong>(\u4f86\u500b\u4eba\u966a\u6211\u804a\u804a\u5929\u4e5f\u597d!!)<\/p>\n\n\n\n<p><strong>\u2b50\u5982\u6709\u4efb\u4f55\u7591\u554f\uff0c\u6b61\u8fce\u900f\u904e\u7559\u8a00\u6216messenger\u8b93\u6211\u77e5\u9053 !<\/strong><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"uag-hide-tab uag-hide-mob\"><strong>\u5de5\u7a0b\u5e2b\u7684\u79d8\u5bc6\u7b46\u8a18<\/strong><\/p>\n\n\n\n\t\t\t<div class=\"wp-block-uagb-post-grid uagb-post-grid  uagb-post__image-position-top uagb-post__image-disabled uagb-block-78b6afcc  uag-hide-tab uag-hide-mob  uagb-post__items uagb-post__columns-3 is-grid uagb-post__columns-tablet-2 uagb-post__columns-mobile-1 uagb-post__equal-height\" data-total=\"7\" style=\"\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/zyrastory.com\/coding\/note\/how-to-use-windows-shutdown-command\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Windows &#8211; \u5982\u4f55\u4f7f\u7528cmd\u9032\u884c\u95dc\u6a5f\u8a2d\u5b9a &#8211; shutdown \u6307\u4ee4<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2023-09-04T23:05:54+08:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\t2023-09-04\t\t\t\t<\/time>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" href=\"https:\/\/zyrastory.com\/coding\/note\/how-to-use-windows-shutdown-command\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Read More<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/zyrastory.com\/coding\/note\/exploring-the-html-input-range-attribute-creating-custom-slider-input-fields\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">\u63a2\u7d22HTML input \u7684 range \u5c6c\u6027 &#8211; \u5275\u5efa\u81ea\u8a02\u6ed1\u52d5\u8f38\u5165\u6b04\u4f4d<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2023-07-26T22:48:27+08:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\t2023-07-26\t\t\t\t<\/time>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" href=\"https:\/\/zyrastory.com\/coding\/note\/exploring-the-html-input-range-attribute-creating-custom-slider-input-fields\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Read More<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/zyrastory.com\/coding\/note\/introduction-of-html-classlist\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">HTML \u5c6c\u6027 classList \u4ecb\u7d39\uff1a\u6210\u70ba\u64cd\u63a7\u5143\u7d20 class \u7684\u9b54\u6cd5\u4f7f<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2023-08-04T23:24:20+08:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\t2023-08-04\t\t\t\t<\/time>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" href=\"https:\/\/zyrastory.com\/coding\/note\/introduction-of-html-classlist\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Read More<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/zyrastory.com\/coding\/note\/python-pil-the-orientation-of-the-image-appear-incorrect\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Python PIL \u5716\u7247\u958b\u555f\/\u5132\u5b58\u6642\u600e\u9ebc\u65b9\u5411\u4e0d\u5c0d\u554a<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2023-08-28T22:11:31+08:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\t2023-08-28\t\t\t\t<\/time>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div 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