{"id":4336,"date":"2023-03-24T17:42:31","date_gmt":"2023-03-24T08:42:31","guid":{"rendered":"https:\/\/engineering.webstudio168.jp\/?p=4336"},"modified":"2023-03-24T17:42:32","modified_gmt":"2023-03-24T08:42:32","slug":"click-element-exclusion","status":"publish","type":"post","link":"https:\/\/engineering.webstudio168.jp\/blog\/click-element-exclusion\/","title":{"rendered":"\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3067\u8981\u7d20\u306e\u4e2d\u306b\u542b\u307e\u308c\u308b\u7279\u5b9a\u306e\u8981\u7d20\u3092\u9664\u5916\u3057\u305f\u3044\u3068\u304d\u306e\u5bfe\u51e6\u6cd5\u3010JavaScript\u3011"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 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\" style=\"cursor:inherit\">\u76ee\u6b21<\/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:\/\/engineering.webstudio168.jp\/blog\/click-element-exclusion\/#A%E3%81%AF%E3%82%AF%E3%83%AA%E3%83%83%E3%82%AF%E3%81%97%E3%81%9F%E3%81%84%E3%81%91%E3%81%A9B%E3%81%AF%E5%8F%8D%E5%BF%9C%E3%81%97%E3%81%AA%E3%81%84%E3%81%A7%E6%AC%B2%E3%81%97%E3%81%84%E6%99%82\" >A\u306f\u30af\u30ea\u30c3\u30af\u3057\u305f\u3044\u3051\u3069B\u306f\u53cd\u5fdc\u3057\u306a\u3044\u3067\u6b32\u3057\u3044\u6642<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/click-element-exclusion\/#jQuery%E3%81%A7%E8%A8%98%E8%BF%B0%E3%81%99%E3%82%8B%E5%A0%B4%E5%90%88\" >jQuery\u3067\u8a18\u8ff0\u3059\u308b\u5834\u5408<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/click-element-exclusion\/#%E3%82%B5%E3%83%B3%E3%83%97%E3%83%AB\" >\u30b5\u30f3\u30d7\u30eb<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">JavaScript\u3067click\u30a4\u30d9\u30f3\u30c8\u3092\u691c\u77e5\u3059\u308b\u306b\u306f<code>\u8981\u7d20.addEventListener('click', function(){\u2026<\/code>\u3092\u4f7f\u3044\u307e\u3059\u306d\u3002\u3067\u3059\u304c\u8981\u7d20\u306e\u4e2d\u306b\u3042\u308b\u7279\u5b9a\u306e\u8981\u7d20\u3067\u306f\u767a\u706b\u3057\u3066\u6b32\u3057\u304f\u306a\u3044\u5834\u5408\u304c\u6642\u3005\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u3070<\/p>\n\n\n\n<div id=\"A\" style=\"width: 100%;border: 1px solid #000;padding:0.5em 1em 1em;background:#02BDD9;color:#FFF;cursor:pointer;\">A<div id=\"B\" style=\"width: 30%;border:1px solid #CCC;padding:1em;background: #DDD;color:#333;cursor:default;\">B<\/div><\/div>\n<script>\nlet $mainElement = $('#A');\n$mainElement.on('click', function(e){\n  if(e.target.id == 'B'){  \/\/ (2)\n    console.log('B\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f');\n    return false; \/\/ (3)\n  }\n  \/\/ A\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3044\u3068\u304d\u306e\u51e6\u7406\n    console.log('A\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f');\n});\n<\/script>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u306e\u3088\u3046\u306aDOM\u69cb\u9020\u304c\u3042\u308a\u3001A\u306b\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u3051\u3069\u3001B\u3067\u306f\u767a\u706b\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u305f\u3044\u3068\u304d\u3067\u3059\u3002A\u306e\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"clickevent-a.js\" data-lang=\"JavaScript\"><code>let mainElement = document.getElementById(&#39;A&#39;);\n\nmainElement.addEventListener(&#39;click&#39;, function(){\n  \/\/ A\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3044\u3068\u304d\u306e\u51e6\u7406\n});<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"A%E3%81%AF%E3%82%AF%E3%83%AA%E3%83%83%E3%82%AF%E3%81%97%E3%81%9F%E3%81%84%E3%81%91%E3%81%A9B%E3%81%AF%E5%8F%8D%E5%BF%9C%E3%81%97%E3%81%AA%E3%81%84%E3%81%A7%E6%AC%B2%E3%81%97%E3%81%84%E6%99%82\"><\/span>A\u306f\u30af\u30ea\u30c3\u30af\u3057\u305f\u3044\u3051\u3069B\u306f\u53cd\u5fdc\u3057\u306a\u3044\u3067\u6b32\u3057\u3044\u6642<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3053\u308c\u3060\u3051\u3067\u306fB\u306e\u30a8\u30ea\u30a2\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u304d\u3082A\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u8a8d\u8b58\u3055\u308c\u3001\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u706b\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u3053\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5c11\u3057\u4fee\u6b63\u3057\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"click-a-exclusion-b.js\" data-lang=\"JavaScript\"><code>let mainElement = document.getElementById(&#39;A&#39;);\n\nmainElement.addEventListener(&#39;click&#39;, function(e){ \/\/ (1)\n  if(e.target.id == &#39;B&#39;){  \/\/ (2)\n    console.log(&#39;B\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f&#39;);\n    return false; 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\/\/ (3)\n  }\n  \/\/ A\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3044\u3068\u304d\u306e\u51e6\u7406\n    console.log(&#39;A\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c11\u3057\u89e3\u8aac\u3057\u3066\u304a\u304f\u3068\u3001<br>(1)\u306f\u3001click\u30a4\u30d9\u30f3\u30c8\u306e\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u5229\u7528\u3059\u308b\u305f\u3081\u306b<code>function(e)<\/code>\u3068\u3057\u3066\u3044\u307e\u3059\u3002(2)\u306f<code>e.target<\/code>\u3067click\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u706b\u3057\u305f\u8981\u7d20\u3092\u53d6\u5f97\u3057\u3001\u305d\u306eid\u304cB\u3060\u3063\u305f\u3089\u51e6\u7406\u3092\u3059\u308b\u5206\u5c90\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002(3)\u306f\u305d\u308c\u4ee5\u4e0a\u51e6\u7406\u304c\u9032\u307e\u306a\u3044\u3088\u3046\u306b<code>return: false;<\/code>\u3067\u30a4\u30d9\u30f3\u30c8\u3092\u4e2d\u6b62\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u306b\u96e3\u3057\u3044\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u3082\u3057\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u306b\u306f<a href=\"https:\/\/developer.mozilla.org\/ja\/docs\/Web\/API\/Event\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/developer.mozilla.org\/ja\/docs\/Web\/API\/Event<\/a>\u3092\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"jQuery%E3%81%A7%E8%A8%98%E8%BF%B0%E3%81%99%E3%82%8B%E5%A0%B4%E5%90%88\"><\/span>jQuery\u3067\u8a18\u8ff0\u3059\u308b\u5834\u5408<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">jQuery\u3067\u540c\u69d8\u306e\u8a18\u8ff0\u3092\u3057\u3066\u3082\u304d\u3061\u3093\u3068\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"click-a-exclusion-b-jquery.js\" data-lang=\"JavaScript\"><code>let $mainElement = $(&#39;#A&#39;);\n\n$mainElement.on(&#39;click&#39;, function(e){\n  if(e.target.id == &#39;B&#39;){\n    console.log(&#39;B\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f&#39;);\n    return false;\n  }\n  \/\/ A\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3044\u3068\u304d\u306e\u51e6\u7406\n    console.log(&#39;A\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3082\u3061\u308d\u3093JavaScript\u3068\u540c\u3058\u304f<code>closest()<\/code>\u3092\u4f7f\u3063\u3066\u3082\u5927\u4e08\u592b\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%B5%E3%83%B3%E3%83%97%E3%83%AB\"><\/span>\u30b5\u30f3\u30d7\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u306fD\u4ee5\u5916\u306eC\u306e\u30a8\u30ea\u30a2\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068alert()\u3067\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div id=\"C\" style=\"width: 100%;border: 1px solid #000;padding:0.5em 1em 1em;background:#02BDD9;color:#FFF;cursor:pointer;\">C<div id=\"D\" style=\"width: 30%;border:1px solid #CCC;padding:1em;background: #DDD;color:#333;cursor:default;\">D<\/div><\/div>\n<script>\nlet $mainElement2 = $('#C');\n$mainElement2.on('click', function(e){\n  if(e.target.id == 'D'){\n    return false; 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