{"id":4399,"date":"2023-03-27T02:57:50","date_gmt":"2023-03-26T17:57:50","guid":{"rendered":"https:\/\/engineering.webstudio168.jp\/?p=4399"},"modified":"2023-03-28T02:44:44","modified_gmt":"2023-03-27T17:44:44","slug":"javascript-event-addeventlistener-howtouse-and-listed","status":"publish","type":"post","link":"https:\/\/engineering.webstudio168.jp\/blog\/javascript-event-addeventlistener-howtouse-and-listed\/","title":{"rendered":"\u3010JavaScript\u3011\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u95a2\u6570addEventListener()\u306e\u4f7f\u3044\u65b9\u3001\u5f15\u6570\u306e\u4f7f\u3044\u65b9"},"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\/javascript-event-addeventlistener-howtouse-and-listed\/#%E3%82%A4%E3%83%99%E3%83%B3%E3%83%88%E3%83%AA%E3%82%B9%E3%83%8A%E3%83%BC%E3%81%A8%E3%81%AF%EF%BC%9F\" >\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u3068\u306f\uff1f<\/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\/javascript-event-addeventlistener-howtouse-and-listed\/#addEventListener%E3%81%AE%E5%BC%95%E6%95%B0%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6\" >addEventListener()\u306e\u5f15\u6570\u306b\u3064\u3044\u3066<\/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\/javascript-event-addeventlistener-howtouse-and-listed\/#%E7%9A%86%E3%81%95%E3%82%93%E3%81%AE%E8%AC%8E%E3%80%8CuseCapture%E3%80%8D%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6\" >\u7686\u3055\u3093\u306e\u8b0e\u300cuseCapture\u300d\u306b\u3064\u3044\u3066<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-event-addeventlistener-howtouse-and-listed\/#%E3%82%A4%E3%83%99%E3%83%B3%E3%83%88%E3%82%BF%E3%82%A4%E3%83%97%E3%81%AE%E4%B8%80%E8%A6%A7%E8%A1%A8%EF%BC%88%E4%B8%BB%E8%A6%81%E4%B8%80%E9%83%A8%EF%BC%89\" >\u30a4\u30d9\u30f3\u30c8\u30bf\u30a4\u30d7\u306e\u4e00\u89a7\u8868\uff08\u4e3b\u8981\u4e00\u90e8\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-event-addeventlistener-howtouse-and-listed\/#%E6%B3%A8%E6%84%8F%EF%BC%9A%E3%82%A4%E3%83%99%E3%83%B3%E3%83%88%E3%83%AA%E3%82%B9%E3%83%8A%E3%83%BC%E3%81%AF%E4%B8%8A%E6%9B%B8%E3%81%8D%E3%81%8C%E5%87%BA%E6%9D%A5%E3%82%8B\" >\u6ce8\u610f\uff1a\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u306f\u4e0a\u66f8\u304d\u304c\u51fa\u6765\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-event-addeventlistener-howtouse-and-listed\/#%E3%81%BE%E3%81%A8%E3%82%81\" >\u307e\u3068\u3081<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\"><code>addEventListener()<\/code>\u306f\u3001JavaScript\u3067\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u3068\u306f\u3001<strong>\u7279\u5b9a\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u95a2\u6570<\/strong>\u3067\u3042\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3084Web\u30da\u30fc\u30b8\u306e\u72b6\u614b\u306e\u5909\u5316\u306a\u3069\u3001\u69d8\u3005\u306a<strong>\u30a4\u30d9\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u30ea\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9a\u7fa9\u3059\u308b<\/strong>\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>addEventListener()<\/code>\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"addeventlistener.js\" data-lang=\"JavaScript\"><code>element.addEventListener(event, function, useCapture);<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5404\u5f15\u6570\u306e\u8aac\u660e\u3092\u7c21\u5358\u306b\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td><strong>element<\/strong><\/td><td>\u30a4\u30d9\u30f3\u30c8\u3092\u76e3\u8996\u3059\u308bHTML\u8981\u7d20\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/td><\/tr><tr><td><strong>event<\/strong><\/td><td>\u767a\u751f\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u306e\u7a2e\u985e\u3092\u6307\u5b9a\u3057\u307e\u3059\uff08\u4f8b\uff1aclick\u3001mousedown\u3001keydown\u306a\u3069\uff09\u3002<\/td><\/tr><tr><td><strong>function<\/strong><\/td><td>\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u95a2\u6570\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/td><\/tr><tr><td><strong>useCapture<\/strong><\/td><td>\u30a4\u30d9\u30f3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u3092\u4f7f\u7528\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<strong>\u7701\u7565\u53ef\u80fd<\/strong>\u3067\u3001true\u307e\u305f\u306ffalse\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">addEventListener()\u306e\u5f15\u6570\u306b\u3064\u3044\u3066<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%A4%E3%83%99%E3%83%B3%E3%83%88%E3%83%AA%E3%82%B9%E3%83%8A%E3%83%BC%E3%81%A8%E3%81%AF%EF%BC%9F\"><\/span>\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u3068\u306f\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u306f\u3001JavaScript\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u95a2\u6570\u3067\u3001\u7279\u5b9a\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306b\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u3068\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\uff08\u30af\u30ea\u30c3\u30af\u3084\u30de\u30a6\u30b9\u30aa\u30fc\u30d0\u30fc\u306a\u3069\uff09\u3084Web\u30da\u30fc\u30b8\u306e\u72b6\u614b\u306e\u5909\u5316\uff08\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u5b8c\u4e86\u306a\u3069\uff09\u306a\u3069\u3001\u69d8\u3005\u306a\u72b6\u6cc1\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u306f<code>addEventListener()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u8981\u7d20\u306b\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<strong>\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u304c\u547c\u3073\u51fa\u3055\u308c<\/strong>\u3001\u6307\u5b9a\u3055\u308c\u305f\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u306f\u3001JavaScript\u306b\u3088\u3063\u3066\u52d5\u7684\u306b\u5909\u66f4\u3084\u524a\u9664\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Web\u30da\u30fc\u30b8\u306b\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u969b\u306b\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u5834\u5408\u306b\u30d5\u30a9\u30fc\u30e0\u3092\u9001\u4fe1\u3059\u308b\u306a\u3069\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u64cd\u4f5c\u3057\u305f\u5834\u5408\u306b\u8fc5\u901f\u304b\u3064\u6b63\u78ba\u306b\u53cd\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"addEventListener%E3%81%AE%E5%BC%95%E6%95%B0%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6\"><\/span>addEventListener()\u306e\u5f15\u6570\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u307b\u3069\u6319\u3052\u305f\u57fa\u672c\u69cb\u6587\u3092\u898b\u3066\u898b\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"addEventListener.js\" data-lang=\"JavaScript\"><code>element.addEventListener(event, function, useCapture);<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><code>addEventListener()<\/code>\u306f\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u5f15\u6570\u3092\u53d6\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a4\u30d9\u30f3\u30c8\u30bf\u30a4\u30d7<\/strong>\uff08event\uff09<br>\u30a4\u30d9\u30f3\u30c8\u306e\u7a2e\u985e\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001&#8221;<code>click<\/code>&#8220;\u3084&#8221;<code>mouseover<\/code>&#8220;\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u8907\u6570\u306e\u30a4\u30d9\u30f3\u30c8\u30bf\u30a4\u30d7\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570<\/strong>\uff08function\uff09<br>\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u6642\u306b\u5b9f\u884c\u3055\u308c\u308b\u95a2\u6570\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5f15\u6570\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u306b\u95a2\u3059\u308b\u60c5\u5831\uff08\u767a\u751f\u3057\u305f\u8981\u7d20\u3001\u30af\u30ea\u30c3\u30af\u4f4d\u7f6e\u3001\u62bc\u3055\u308c\u305f\u30ad\u30fc\u306a\u3069\uff09\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>useCapture<\/strong>\uff08\u7701\u7565\u53ef\u80fd\uff09<br>\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u5f15\u6570\u3067\u3042\u308a\u3001\u30a4\u30d9\u30f3\u30c8\u304c\u30ad\u30e3\u30d7\u30c1\u30e3\u30d5\u30a7\u30fc\u30ba\u3067\u51e6\u7406\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306ffalse\u3067\u3001\u30d0\u30d6\u30ea\u30f3\u30b0\u30d5\u30a7\u30fc\u30ba\u3067\u51e6\u7406\u3055\u308c\u307e\u3059\u3002<code>useCapture<\/code>\u3092<code>true<\/code>\u306b\u3059\u308b\u3068\u3001\u30a4\u30d9\u30f3\u30c8\u304c\u30ad\u30e3\u30d7\u30c1\u30e3\u30d5\u30a7\u30fc\u30ba\u3067\u51e6\u7406\u3055\u308c\u307e\u3059\u3002<strong>\u203b\u8a73\u7d30\u306f\u5f8c\u7a0b\u3002<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b<code>addEventListener()<\/code>\u3092\u4f7f\u3063\u3066\u3001\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u306b\u30a2\u30e9\u30fc\u30c8\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u95a2\u6570\u3092\u767b\u9332\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"addEventListener-click.js\" data-lang=\"JavaScript\"><code>const button = document.querySelector(&#39;button&#39;);\n\nbutton.addEventListener(&#39;click&#39;, function(event) {\n  alert(&#39;\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f\uff01&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001\u6700\u521d\u306e\u5f15\u6570\u306b&#8217;<code>click<\/code>&#8216;\u3068\u3044\u3046\u30a4\u30d9\u30f3\u30c8\u30bf\u30a4\u30d7\u3092\u6307\u5b9a\u3057\u30012\u756a\u76ee\u306e\u5f15\u6570\u306b\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u306b\u5b9f\u884c\u3059\u308b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>function(event)<\/code>\u306b\u3064\u3044\u3066\u306f\u300e<a href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-eventobject\/\">J<strong>avaScript\u306b\u304a\u3051\u308b\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u306f\u4f55\u304b\uff1f\u521d\u5fc3\u8005\u306b\u3082\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3010function(event)\u3011<\/strong><\/a>\u300f\u306b\u8a18\u3057\u3066\u3042\u308a\u307e\u3059\u306e\u3067\u4f75\u305b\u3066\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%9A%86%E3%81%95%E3%82%93%E3%81%AE%E8%AC%8E%E3%80%8CuseCapture%E3%80%8D%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6\"><\/span>\u7686\u3055\u3093\u306e\u8b0e\u300cuseCapture\u300d\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>addEventListener()<\/code>\u95a2\u6570\u306e<code>useCapture<\/code>\u5f15\u6570\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u4f1d\u64ad\uff08\u30a4\u30d9\u30f3\u30c8\u30d5\u30ed\u30fc\uff09\u306b\u304a\u3051\u308b\u30a4\u30d9\u30f3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u30d5\u30a7\u30fc\u30ba\u306e\u4f7f\u7528\u6709\u7121\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306e\u5f15\u6570\u3067\u3059\u3002<span class=\"marker-red\"><strong>\u30a4\u30d9\u30f3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u30d5\u30a7\u30fc\u30ba<\/strong>\u3068\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u8981\u7d20\u304b\u3089\u30eb\u30fc\u30c8\u8981\u7d20\u307e\u3067\u306e\u968e\u5c64\u3092<strong><span class=\"bold-red\">\u9806\u306b<\/span><\/strong>\u305f\u3069\u308a\u306a\u304c\u3089\u3001<span class=\"bold-red\">\u89aa\u304b\u3089\u5b50\u3078<\/span>\u3068\u30a4\u30d9\u30f3\u30c8\u304c\u4f1d\u64ad\u3059\u308b\u30d5\u30a7\u30fc\u30ba<\/span>\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>useCapture<\/code>\u5f15\u6570\u306e\u5024\u306b\u3088\u3063\u3066\u3001\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u95a2\u6570\u304c\u3069\u306e\u30d5\u30a7\u30fc\u30ba\u3067\u547c\u3073\u51fa\u3055\u308c\u308b\u304b\u304c\u5909\u308f\u308a\u307e\u3059\u3002<code>useCapture<\/code>\u5f15\u6570\u304c<code>true<\/code>\u306e\u5834\u5408\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u30d5\u30a7\u30fc\u30ba\u3067\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u3001<code>false<\/code>\u306e\u5834\u5408\u306f\u30a4\u30d9\u30f3\u30c8\u30d0\u30d6\u30ea\u30f3\u30b0\u30d5\u30a7\u30fc\u30ba\u3067\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<span class=\"marker-red\"><strong>\u30a4\u30d9\u30f3\u30c8\u30d0\u30d6\u30ea\u30f3\u30b0\u30d5\u30a7\u30fc\u30ba<\/strong>\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u8981\u7d20\u304b\u3089\u30eb\u30fc\u30c8\u8981\u7d20\u307e\u3067\u306e\u968e\u5c64\u3092<strong><span class=\"bold-red\">\u9006\u9806\u306b<\/span><\/strong>\u305f\u3069\u308a\u306a\u304c\u3089\u3001<span class=\"bold-red\">\u5b50\u304b\u3089\u89aa\u3078<\/span>\u3068\u30a4\u30d9\u30f3\u30c8\u304c\u4f1d\u64ad\u3059\u308b\u30d5\u30a7\u30fc\u30ba<\/span>\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306f\u3001useCapture\u5f15\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a4\u30d9\u30f3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u30d5\u30a7\u30fc\u30ba\u3067\u30ea\u30b9\u30ca\u30fc\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-html\" data-file=\"addEventListener-useCapture.html\" data-lang=\"HTML\"><code>&lt;div id=&quot;wrap&quot;&gt;\n  &lt;div id=&quot;inner&quot;&gt;\n    &lt;button id=&quot;myButton&quot;&gt;Click me&lt;\/button&gt;\n  &lt;\/div&gt;\n&lt;\/div&gt;\n\n&lt;script&gt;\nconst wrap = document.querySelector(&#39;#wrap&#39;);\nconst btn = document.querySelector(&#39;#myButton&#39;);\n\nwrap.addEventListener(&#39;click&#39;, () =&gt; {\n  console.log(&#39;Outer clicked!&#39;);\n}, true);\n\nbtn.addEventListener(&#39;click&#39;, () =&gt; {\n  console.log(&#39;Button clicked!&#39;);\n}, false);\n&lt;\/script&gt;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001id\u304c\u300cwrap\u300d\u306e\u8981\u7d20\uff08<code>#wrap<\/code>\uff09\u306b\u30a4\u30d9\u30f3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u30d5\u30a7\u30fc\u30ba\uff08<code>true<\/code>\uff09\u306e\u30ea\u30b9\u30ca\u30fc\u95a2\u6570\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001id\u304c\u300cmyButton\u300d\u306e\u30dc\u30bf\u30f3\u8981\u7d20\uff08<code>#myButton<\/code>\uff09\u306b\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u30d0\u30d6\u30ea\u30f3\u30b0\u30d5\u30a7\u30fc\u30ba\uff08<code>false<\/code>\uff09\u306e\u30ea\u30b9\u30ca\u30fc\u95a2\u6570\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u300cButton clicked!\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u30dc\u30bf\u30f3\u306e\u89aa\u8981\u7d20\u306ediv\u8981\u7d20\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u300cOuter clicked!\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30a4\u30d9\u30f3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u30d5\u30a7\u30fc\u30ba\uff08<code>true<\/code>\uff09\u3067\u30ea\u30b9\u30ca\u30fc\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u308b\u305f\u3081\u3001<span class=\"bold-red\">\u5148\u306b\u300cOuter clicked!\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059<\/span>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001<code>useCapture<\/code>\u5f15\u6570\u3092\u7701\u7565\uff08\u4f55\u3082\u66f8\u304b\u306a\u3044\uff09\u3059\u308b\u3068\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3067\u3042\u308b<code>false<\/code>\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u308b\u306e\u3067\u3001\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3082Outer\u3092\u62bc\u3057\u305f\u3068\u3044\u3046\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306f\u884c\u308f\u308c\u305a\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u306f\u300cButton clicked!\u300d\u3057\u304b\u8868\u793a\u3055\u308c\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002\u306a\u3093\u3068\u306a\u304f\u304a\u5206\u304b\u308a\u3044\u305f\u3060\u3051\u307e\u3057\u305f\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%A4%E3%83%99%E3%83%B3%E3%83%88%E3%82%BF%E3%82%A4%E3%83%97%E3%81%AE%E4%B8%80%E8%A6%A7%E8%A1%A8%EF%BC%88%E4%B8%BB%E8%A6%81%E4%B8%80%E9%83%A8%EF%BC%89\"><\/span><strong>\u30a4\u30d9\u30f3\u30c8\u30bf\u30a4\u30d7<\/strong>\u306e\u4e00\u89a7\u8868\uff08\u4e3b\u8981\u4e00\u90e8\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">avaScript\u3067\u6271\u3048\u308b\u30a4\u30d9\u30f3\u30c8\u306e\u4e00\u90e8\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>click<\/td><td>\u8981\u7d20\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>click<\/strong>&#8216;,<\/td><\/tr><tr><td>dblclick<\/td><td>\u8981\u7d20\u304c\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>dblclick<\/strong>&#8216;,<\/td><\/tr><tr><td>mousedown<\/td><td>\u30de\u30a6\u30b9\u30dc\u30bf\u30f3\u304c\u62bc\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>mousedown<\/strong>&#8216;,<\/td><\/tr><tr><td>mouseup<\/td><td>\u30de\u30a6\u30b9\u30dc\u30bf\u30f3\u304c\u96e2\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>mouseup<\/strong>&#8216;,<\/td><\/tr><tr><td>focus<\/td><td>\u8981\u7d20\u304c\u30d5\u30a9\u30fc\u30ab\u30b9\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>focus<\/strong>&#8216;,<\/td><\/tr><tr><td>blur<\/td><td>\u8981\u7d20\u304c\u30d5\u30a9\u30fc\u30ab\u30b9\u304b\u3089\u5916\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>blur<\/strong>&#8216;,<\/td><\/tr><tr><td>change<\/td><td>\u8981\u7d20\u306e\u5185\u5bb9\u304c\u5909\u66f4\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>change<\/strong>&#8216;,<\/td><\/tr><tr><td>submit<\/td><td>\u30d5\u30a9\u30fc\u30e0\u304c\u9001\u4fe1\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>submit<\/strong>&#8216;,<\/td><\/tr><tr><td>reset<\/td><td>\u30d5\u30a9\u30fc\u30e0\u304c\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>reset<\/strong>&#8216;,<\/td><\/tr><tr><td>keydown<\/td><td>\u30ad\u30fc\u304c\u62bc\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>keydown<\/strong>&#8216;,<\/td><\/tr><tr><td>keyup<\/td><td>\u30ad\u30fc\u304c\u96e2\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>keyup<\/strong>&#8216;,<\/td><\/tr><tr><td>mousemove<\/td><td>\u30de\u30a6\u30b9\u304c\u8981\u7d20\u4e0a\u3092\u79fb\u52d5\u3057\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>mousemove<\/strong>&#8216;,<\/td><\/tr><tr><td>scroll<\/td><td>\u30b9\u30af\u30ed\u30fc\u30eb\u304c\u767a\u751f\u3057\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>scroll<\/strong>&#8216;,<\/td><\/tr><tr><td>load<\/td><td>\u30da\u30fc\u30b8\u3084\u753b\u50cf\u304c\u5b8c\u5168\u306b\u8aad\u307f\u8fbc\u307e\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>load<\/strong>&#8216;,<\/td><\/tr><tr><td>unload<\/td><td>\u30da\u30fc\u30b8\u304c\u30a2\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>unload<\/strong>&#8216;,<\/td><\/tr><tr><td>resize<\/td><td>\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u30b5\u30a4\u30ba\u304c\u5909\u66f4\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>resize<\/strong>&#8216;,<\/td><\/tr><tr><td>contextmenu<\/td><td>\u53f3\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>contextmenu<\/strong>&#8216;,<\/td><\/tr><tr><td>touchstart<\/td><td>\u30bf\u30c3\u30c1\u3055\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>touchstart<\/strong>&#8216;,<\/td><\/tr><tr><td>touchmove<\/td><td>\u30bf\u30c3\u30c1\u3055\u308c\u305f\u307e\u307e\u6307\u304c\u79fb\u52d5\u3057\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>touchmove<\/strong>&#8216;,<\/td><\/tr><tr><td>touchend<\/td><td>\u30bf\u30c3\u30c1\u304c\u7d42\u4e86\u3057\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>touchend<\/strong>&#8216;,<\/td><\/tr><tr><td>dragstart<\/td><td>\u8981\u7d20\u304c\u30c9\u30e9\u30c3\u30b0\u3055\u308c\u59cb\u3081\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>dragstart<\/strong>&#8216;,<\/td><\/tr><tr><td>drag<\/td><td>\u8981\u7d20\u304c\u30c9\u30e9\u30c3\u30b0\u3055\u308c\u3066\u3044\u308b\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>drag<\/strong>&#8216;,<\/td><\/tr><tr><td>dragend<\/td><td>\u8981\u7d20\u306e\u30c9\u30e9\u30c3\u30b0\u304c\u7d42\u4e86\u3057\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>dragend<\/strong>&#8216;,<\/td><\/tr><tr><td>mouseover<\/td><td>\u30de\u30a6\u30b9\u304c\u8981\u7d20\u306b\u4e57\u3063\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>mouseover<\/strong>&#8216;,<\/td><\/tr><tr><td>mouseout<\/td><td>\u30de\u30a6\u30b9\u304c\u8981\u7d20\u304b\u3089\u96e2\u308c\u305f\u3068\u304d<\/td><td>addEventListener(&#8216;<strong>mouseout<\/strong>&#8216;,<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><strong>\u30a4\u30d9\u30f3\u30c8\u30bf\u30a4\u30d7<\/strong>\u306e\u4e00\u89a7<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%B3%A8%E6%84%8F%EF%BC%9A%E3%82%A4%E3%83%99%E3%83%B3%E3%83%88%E3%83%AA%E3%82%B9%E3%83%8A%E3%83%BC%E3%81%AF%E4%B8%8A%E6%9B%B8%E3%81%8D%E3%81%8C%E5%87%BA%E6%9D%A5%E3%82%8B\"><\/span>\u6ce8\u610f\uff1a\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u306f\u4e0a\u66f8\u304d\u304c\u51fa\u6765\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">JavaScript\u306b\u304a\u3051\u308b\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306e\u4e0a\u66f8\u304d\u3068\u306f\u3001\u540c\u4e00\u306e\u30a4\u30d9\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u304c\u8a2d\u5b9a\u3055\u308c\u305f\u5834\u5408\u306b\u3001\u5f8c\u304b\u3089\u8a2d\u5b9a\u3055\u308c\u305f\u30ea\u30b9\u30ca\u30fc\u304c\u5148\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u30ea\u30b9\u30ca\u30fc\u3092\u4e0a\u66f8\u304d\u3059\u308b\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b2\u3064\u306e\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u304c\u8a2d\u5b9a\u3055\u308c\u305f\u5834\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"addEventListener-override.js\" data-lang=\"JavaScript\"><code>const btn = document.querySelector(&#39;#myButton&#39;);\n\nbtn.addEventListener(&#39;click&#39;, () =&gt; {\n  console.log(&#39;First listener&#39;);\n});\n\nbtn.addEventListener(&#39;click&#39;, () =&gt; {\n  console.log(&#39;Second listener&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5834\u5408\u3001\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u306b\u306f\u3001First listener\u3068Second listener\u306e\u4e21\u65b9\u304c\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b2\u3064\u76ee\u306e\u30ea\u30b9\u30ca\u30fc\u3092\u4e0a\u66f8\u304d\u3059\u308b\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001Second listener\u304c\u5b9f\u884c\u3055\u308c\u3001First listener\u306f\u5b9f\u884c\u3055\u308c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"addEventListener-override02.js\" data-lang=\"JavaScript\"><code>btn.addEventListener(&#39;click&#39;, () =&gt; {\n  console.log(&#39;Second listener overwrites the first listener&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3064\u307e\u308a\u3001\u540c\u3058\u30a4\u30d9\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u6ce8\u610f\u3057\u3066\u3069\u306e\u3088\u3046\u306a\u9806\u5e8f\u3067\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4e0a\u66f8\u304d\u3092\u907f\u3051\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30fb\u57fa\u672c\u69cb\u6587\u3092\u982d\u306b\u53e9\u304d\u8fbc\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"addEventListener.js\" data-lang=\"JavaScript\"><code>element.addEventListener(event, function, useCapture);<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u30fb\u30a4\u30d9\u30f3\u30c8\u30bf\u30a4\u30d7\u306f\u8272\u3005\u5b58\u5728\u3059\u308b\u306e\u3067\u3001\u305d\u306e\u6642\u306b\u5fdc\u3058\u3066\u4f7f\u3044\u5206\u3051\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u3063\u3066\u6319\u52d5\u304c\u5909\u308f\u308b\u30a4\u30d9\u30f3\u30c8\u30bf\u30a4\u30d7\u3082\u5b58\u5728\u3059\u308b\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br>\u30a4\u30d9\u30f3\u30c8\u30bf\u30a4\u30d7\u306b\u3064\u3044\u3066\u306f\u4e0b\u8a18\u3092\u53c2\u7167\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<br>\uff08\u53c2\u8003\uff1a<a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/Events#event_listing\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/Events#event_listing<\/a>\uff09\u2190\u3081\u3061\u3083\u304f\u3061\u3083\u3042\u308b\u306e\u3067\u672c\u5f53\u306b\u6687\u306a\u3068\u304d\u8aad\u3080\u3068\u52c9\u5f37\u306b\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30fb\u30a4\u30d9\u30f3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u30d5\u30a7\u30fc\u30ba\u3068\u30a4\u30d9\u30f3\u30c8\u30d0\u30d6\u30ea\u30f3\u30b0\u30d5\u30a7\u30fc\u30ba\u306b\u3064\u3044\u3066\u3082\u62bc\u3055\u3048\u3066\u304a\u304f\u3068\u826f\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>addEventListener()\u306f\u3001JavaScript\u3067\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u3068\u306f\u3001\u7279\u5b9a\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u95a2\u6570\u3067\u3042\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3084Web\u30da\u30fc\u30b8\u306e\u72b6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4424,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[8,21,83,48],"class_list":["post-4399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript","tag-javascript","tag-jquery","tag-83","tag-48"],"_links":{"self":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/4399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/comments?post=4399"}],"version-history":[{"count":25,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/4399\/revisions"}],"predecessor-version":[{"id":4468,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/4399\/revisions\/4468"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/media\/4424"}],"wp:attachment":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/media?parent=4399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/categories?post=4399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/tags?post=4399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}