{"id":1570,"date":"2023-03-10T12:36:34","date_gmt":"2023-03-10T03:36:34","guid":{"rendered":"https:\/\/trend-appsweb.com\/myportfolio\/?p=1570"},"modified":"2024-02-11T18:18:58","modified_gmt":"2024-02-11T09:18:58","slug":"javascript%e3%81%aeddeventlistener%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%9f%e3%82%a4%e3%83%99%e3%83%b3%e3%83%88%e5%87%a6%e7%90%86","status":"publish","type":"post","link":"https:\/\/trend-appsweb.com\/myportfolio\/?p=1570","title":{"rendered":"JavaScript\u306eddEventListener()\u3092\u4f7f\u3063\u305f\u30a4\u30d9\u30f3\u30c8\u51e6\u7406"},"content":{"rendered":"

\u30c6\u30fc\u30de<\/h3>\n

\u3053\u3093\u306b\u3061\u306f\uff01\uff01naoto555\u3067\u3059\u3002\u4eca\u56de\u306f\u3001JavaScript\u3067\u3088\u304f\u4f7f\u308f\u308c\u308bddEventListener()\u3092\u4f7f\u3063\u305f\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306fWeb\u958b\u767a\u306b\u304a\u3044\u3066\u6b20\u304b\u305b\u306a\u3044\u8981\u7d20\u306e1\u3064\u3067\u3001load\u3084click\u306a\u3069\u306e\u57fa\u672c\u7684\u306a\u30a4\u30d9\u30f3\u30c8\u304b\u3089\u3001mousemove\u3084keyup\u3068\u3044\u3063\u305f\u8907\u96d1\u306a\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u307e\u3067\u3001\u5e45\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u5404\u30a4\u30d9\u30f3\u30c8\u306e\u7279\u5fb4\u3084\u4f7f\u3044\u65b9\u3001\u305d\u3057\u3066\u5b9f\u969b\u306b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3066\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b\u307e\u3067\u3001\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/span>(2024.4\u8a18\u8f09)<\/span><\/p>\n

addEventListener\u3068\u306f\uff1f<\/h3>\n

\u300caddEventListener()\u300d\u306f\u3001JavaScript\u3067\u8981\u7d20\u306b\u5bfe\u3057\u3066\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9<\/b>\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30da\u30fc\u30b8\u304c\u30ed\u30fc\u30c9\u3055\u308c\u305f\u3068\u304d\u3084\u3001\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u3001\u30ad\u30fc\u304c\u62bc\u3055\u308c\u305f\u3068\u304d\u306a\u3069\u3001\u8981\u7d20\u306b\u5bfe\u3059\u308b\u69d8\u3005\u306a\u30a4\u30d9\u30f3\u30c8\u306b\u5fdc\u7b54\u3059\u308b\u51e6\u7406\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002addEventListener()\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52d5\u7684\u306aWeb\u30da\u30fc\u30b8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

addEventListener()\u3092\u4f7f\u3063\u305f\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587<\/h3>\n

\u2460\u57fa\u672c\u6587\u7ae0\u306e\u66f8\u304d\u65b9<\/h4>\n
\n
addEventListener(\u30a4\u30d9\u30f3\u30c8, \u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8, false);<\/code><\/pre>\n<\/div>\n
addEventLisetenr\u3092JavaScript\u4e0a\u3067\u4e0a\u8a18\u306e\u3088\u3046\u306a\u66f8\u304d\u65b9\u3092\u3057\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u5f15\u6570\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u610f\u5473\u304c\u542b\u307e\u308c\u307e\u3059\u3002
\n\u7b2c1\u5f15\u6570(\u30a4\u30d9\u30f3\u30c8)<\/strong><\/span>
\n\u76e3\u8996\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u306e\u7a2e\u985e\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001’click’\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3092\u76e3\u8996\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n<\/span>\u7b2c2\u5f15\u6570(\u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8)<\/strong><\/span>
\n\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u5b9f\u884c\u3055\u308c\u308b\u95a2\u6570\u540d\u307e\u305f\u306f\u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\u3092\u66f8\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306b\u5b9f\u884c\u3055\u308c\u308b\u95a2\u6570\u306e\u3053\u3068\u3092\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9<\/strong>\u3068\u547c\u3076\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002
\n\u7b2c3<\/strong>\u5f15\u6570<\/strong><\/span>
\n\u30ad\u30e3\u30d7\u30c1\u30e3\u30d5\u30e9\u30b0\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u304c\u30a4\u30d9\u30f3\u30c8\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002false<\/strong>\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u304c\u30a4\u30d9\u30f3\u30c8\u30d0\u30d6\u30ea\u30f3\u30b0\uff08\u5b50\u304b\u3089\u89aa\u3078\u306e\u30a4\u30d9\u30f3\u30c8\u4f1d\u64ad\uff09\u306b\u5bfe\u3057\u3066\u306e\u307f\u5fdc\u7b54\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30a4\u30d9\u30f3\u30c8\u306f\u8981\u7d20\u5185\u3067\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u306f\u305d\u306e\u8981\u7d20\u5185\u3067\u51e6\u7406\u3055\u308c\u3001\u89aa\u8981\u7d20\u306b\u306f\u4f1d\u64ad\u3055\u308c\u307e\u305b\u3093\u3002true<\/strong>\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u304c\u30a4\u30d9\u30f3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u30ea\u30f3\u30b0\uff08\u89aa\u304b\u3089\u5b50\u3078\u306e\u30a4\u30d9\u30f3\u30c8\u4f1d\u64ad\uff09\u306b\u5bfe\u3057\u3066\u306e\u307f\u5fdc\u7b54\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30a4\u30d9\u30f3\u30c8\u306f\u89aa\u8981\u7d20\u304b\u3089\u30ad\u30e3\u30d7\u30c1\u30e3\u3055\u308c\u3001\u5b50\u8981\u7d20\u306b\u4f1d\u64ad\u3057\u3066\u304b\u3089\u8981\u7d20\u5185\u3067\u51e6\u7406\u3055\u308c\u307e\u3059\u3002\u5927\u62b5\u306e\u5834\u5408\u306ffalse\u304c\u4e00\u822c\u7684\u3067\u3042\u307e\u308atrue\u3067\u6307\u5b9a\u3059\u308b\u6a5f\u4f1a\u306f\u5c11\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/strong>\u307e\u305f\u3001\u7b2c3\u5f15\u6570\u306f\u7701\u7565\u3082\u53ef\u80fd\u3067\u6307\u5b9a\u3057\u306a\u3044\u5834\u5408\u306f\u3001false\u304c\u63a1\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u2461\u57fa\u672c\u6587\u7ae0\u306e\u66f8\u304d\u65b9(\u4f8b\u6587\u2460)<\/h4>\n
\n
\n
\/\/\u4f8b\u6587\u2460-1\r\nvar button = document.getElementById('button');\r\nbutton.addEventListener('click', test, false);\r\n\r\nfunction test(){\r\n\u00a0 \u00a0 \/\/\u3053\u3053\u306b\u51e6\u7406\u3092\u8a18\u8ff0\r\n}<\/code><\/pre>\n<\/div>\n<\/div>\n
\u4e0a\u8a18\u306e\u4f8b\u6587\u3067\u306f\u3001ID=’button’\u3068\u3044\u3046\u8981\u7d20\u3092\u53d6\u5f97\u3057\u3001\u53d6\u5f97\u3057\u305fbutton\u8981\u7d20\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3089test()\u3068\u3044\u3046\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002
\n\u30b3\u30fc\u30c9\u306e\u629c\u7c8b\u3060\u3051\u3067\u306f\u3001\u30a4\u30e1\u30fc\u30b8\u3057\u306b\u304f\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u4e0a\u8a18\u306e\u4f8b\u6587\u306bHTML\u542b\u3081\u305f\u5168\u6587\u306b\u3057\u3066\u3001\u52d5\u304d\u3082\u898b\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\n
\n
<!DOCTYPE html>\r\n<html>\r\n<head>\r\n\u00a0 \u00a0 <meta charset=\"UTF-8\">\r\n\u00a0 \u00a0 <title>addEventListener\u4f8b\u6587<\/title>\r\n\u00a0 \u00a0 <style>\r\n\u00a0 \u00a0 \u00a0 \u00a0 .square {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 width: 500px;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 height: 500px;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 background-color: gray;\r\n\u00a0 \u00a0 \u00a0 \u00a0 }\r\n\u00a0 \u00a0 <\/style>\r\n<\/head>\r\n<body style=\"width:50%; margin: 20px auto;\">\r\n\u00a0 \u00a0 <div class=\"square\"><\/div>\r\n\u00a0 \u00a0 <br \/>\r\n\u00a0 \u00a0 <button id=\"button\">\u30dc\u30bf\u30f3<\/button>\r\n\r\n\r\n\u00a0 \u00a0 <script type=\"text\/javascript\">\r\n\u00a0 \u00a0 \u00a0 \u00a0 var button = document.getElementById('button');\r\n\u00a0 \u00a0 \u00a0 \u00a0 button.addEventListener('click', test, false);\r\n\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 function test(){\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 var squares = document.getElementsByClassName('square');\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 squares[0].style.backgroundColor = 'red';\r\n\u00a0 \u00a0 \u00a0 \u00a0 }\r\n\u00a0 \u00a0 <\/script>\r\n<\/body>\r\n<\/html><\/code><\/pre>\n<\/div>\n<\/div>\n
\u52d5\u4f5c\u753b\u50cf<\/span><\/strong>
\n\"\"<\/a><\/p>\n
button.addEventListener(‘click’, test(), false)\u306b\u3066\u3001\u30dc\u30bf\u30f3\u8981\u7d20\u306e\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3092\u76e3\u8996\u3059\u308b\u3088\u3046\u306b\u30bb\u30c3\u30c8\u3057\u307e\u3059\u3002\u30dc\u30bf\u30f3\u306b\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3059\u308b(\u3064\u307e\u308a\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u308b)\u3068\u3001\u7b2c2\u5f15\u6570\u306etest\u306b\u3066\u3001\u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8(function test())\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n
function test()\u3067\u306f\u3001\u30af\u30e9\u30b9\u8981\u7d20”square”\u3092\u53d6\u5f97\u3057\u3066\u30af\u30e9\u30b9\u8981\u7d20\u306e\u80cc\u666f\u8272\u3092\u8d64\u306b\u5909\u3048\u308b\u51e6\u7406\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u2462\u57fa\u672c\u6587\u7ae0\u306e\u66f8\u304d\u65b9(\u4f8b\u6587\u2461)<\/h4>\n
\u3055\u304d\u307b\u3069\u306e\u4f8b\u6587\u3067\u306f\u3001\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3089\u7b2c2\u5f15\u6570\u306e\u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8test()\u3092\u547c\u3073\u51fa\u3059\u3068\u3044\u3046\u66f8\u304d\u65b9\u3067\u3057\u305f\u304c\u3001\u7b2c2\u5f15\u6570\u306e\u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7121\u540d\u95a2\u6570\u306b\u3057\u3066\u8a18\u8ff0\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u305d\u306e\u65b9\u6cd5\u3082\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002test()\u306e\u8a18\u8f09\u3092\u7121\u304f\u3057\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7121\u540d\u95a2\u6570\u306b\u5909\u3048\u3066\u3082\u4f8b\u6587\u2460\u3068\u540c\u69d8\u306e\u52d5\u4f5c\u3092\u3057\u307e\u3059\u3002<\/p>\n
\n
\/\/\u4f8b\u6587\u2461-1\r\nvar button = document.getElementById('button');\r\nbutton.addEventListener('click', function(){\r\n\u00a0 \u00a0 \/\/\u3053\u3053\u306b\u51e6\u7406\u3092\u8a18\u8ff0\r\n}, false);\r\n\r\n\/\/\u4f8b\u6587\u2461-2\r\nvar button = document.getElementById('button');\r\nbutton.addEventListener('click', ()=>{\r\n\u00a0 \u00a0 \/\/\u3053\u3053\u306b\u51e6\u7406\u3092\u8a18\u8ff0\r\n}, false);<\/code><\/pre>\n<\/div>\n
\u307e\u305f\u3001\u7b2c3\u5f15\u6570\u306efalse\u306f\u7701\u7565\u53ef\u80fd\u3067\u7701\u7565\u3057\u305f\u3068\u304d\u306f\u3001\u30c7\u30a3\u30d5\u30a9\u30eb\u30c8\u5024\u3068\u3057\u3066\u2019false\u2019\u8a2d\u5b9a\u3055\u308c\u308b\u306e\u3068\uff0c\u6ec5\u591a\u306btrue\u3067\u4f7f\u308f\u308c\u308b\u3053\u3068\u306f\u306a\u3044\u3068\u3044\u3046\u7406\u7531\u304b\u3089\u3001\u4ee5\u4e0b\u306e\u66f8\u304d\u65b9\u306e\u65b9\u304c\u3088\u308a\u5b9f\u7528\u7684\u306a\u8a18\u8ff0\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\n
\/\/\u4f8b\u6587\u2460-1\u6539\r\nvar button = document.getElementById('button');\r\nbutton.addEventListener('click', test); \r\nfunction test(){\r\n \u00a0 \u00a0 \/\/\u3053\u3053\u306b\u51e6\u7406\u3092\u8a18\u8ff0\r\n}\r\n\r\n\/\/\u4f8b\u6587\u2461-1\u6539\r\nvar button = document.getElementById('button');\r\nbutton.addEventListener('click', function(){\r\n \u00a0 \u00a0 \/\/\u3053\u3053\u306b\u51e6\u7406\u3092\u8a18\u8ff0 \r\n}); \r\n\r\n\/\/\u4f8b\u6587\u2461-2\u6539\r\nvar button = document.getElementById('button'); \r\nbutton.addEventListener('click', ()=>{\r\n \u00a0 \u00a0 \/\/\u3053\u3053\u306b\u51e6\u7406\u3092\u8a18\u8ff0 \r\n});<\/code><\/pre>\n<\/div>\n
\u3088\u304f\u4f7f\u308f\u308c\u308b\u30a4\u30d9\u30f3\u30c8\u306e\u4f8b<\/h3>\n
\u4ee5\u4e0b\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u30a4\u30d9\u30f3\u30c8\u306e\u4e00\u4f8b\u3092\u4e00\u89a7\u8868\u306b\u3057\u307e\u3057\u305f\u3002addEventListener\u306b\u306f\uff0c\u4e0b\u8a18\u306e\u8868\u306e\u30a4\u30d9\u30f3\u30c8\u4ee5\u5916\u306b\u3082\u975e\u5e38\u306b\u591a\u304f\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u5168\u3066\u3092\u899a\u3048\u308b\u306e\u306f\u5927\u5909\u304b\u3068\u601d\u3046\u306e\u3067\u3001\u3053\u3093\u306a\u306e\u3042\u3063\u305f\u306a\u3068\u982d\u306e\u7247\u9685\u3067\u899a\u3048\u3066\u304a\u3044\u3066\u3001\u5177\u4f53\u7684\u306b\u3084\u308a\u305f\u3044\u3053\u3068\u304c\u660e\u78ba\u306b\u306a\u3063\u305f\u3089\u3001\u305d\u306e\u90fd\u5ea6\u8abf\u3079\u308b\u3068\u3044\u3046\u306e\u304c\u73fe\u5b9f\u7684\u304b\u306a\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u30a4\u30d9\u30f3\u30c8<\/td>\n\u5185\u5bb9<\/td>\n<\/tr>\n
click<\/td>\n\u8981\u7d20\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
submit<\/td>\n\u30d5\u30a9\u30fc\u30e0\u304c\u9001\u4fe1\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
keydown<\/td>\n\u30ad\u30fc\u30dc\u30fc\u30c9\u306e\u30ad\u30fc\u304c\u62bc\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
keyup<\/td>\n\u30ad\u30fc\u30dc\u30fc\u30c9\u306e\u30ad\u30fc\u304c\u96e2\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
load<\/td>\nWeb\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u5b8c\u4e86\u3057\u305f\u6642\u306b\u767a\u706b<\/td>\n<\/tr>\n
scroll<\/td>\n\u30b9\u30af\u30ed\u30fc\u30eb\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
mouseover<\/td>\n\u30de\u30a6\u30b9\u30dd\u30a4\u30f3\u30bf\u30fc\u304c\u8981\u7d20\u306b\u4e57\u3063\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
mouseout<\/td>\n\u30de\u30a6\u30b9\u30dd\u30a4\u30f3\u30bf\u30fc\u304c\u8981\u7d20\u304b\u3089\u96e2\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
focus<\/td>\n\u8981\u7d20\u304c\u30d5\u30a9\u30fc\u30ab\u30b9\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
blur<\/td>\n\u8981\u7d20\u304b\u3089\u30d5\u30a9\u30fc\u30ab\u30b9\u304c\u5916\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
contextmenu<\/td>\n\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30e1\u30cb\u30e5\u30fc\u304c\u8868\u793a\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
touchstart<\/td>\n\u30bf\u30c3\u30c1\u30a4\u30d9\u30f3\u30c8\u304c\u958b\u59cb\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
touchmove<\/td>\n\u30bf\u30c3\u30c1\u30a4\u30d9\u30f3\u30c8\u4e2d\u306b\u6307\u304c\u52d5\u3044\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
touchend<\/td>\n\u30bf\u30c3\u30c1\u30a4\u30d9\u30f3\u30c8\u304c\u7d42\u4e86\u3057\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
change<\/td>\n\u8981\u7d20\u306e\u5185\u5bb9\u304c\u5909\u66f4\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
input<\/td>\n\u8981\u7d20\u306b\u5165\u529b\u3055\u308c\u305f\u5024\u304c\u5909\u66f4\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
dragstart<\/td>\n\u8981\u7d20\u304c\u30c9\u30e9\u30c3\u30b0\u958b\u59cb\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
dragover<\/td>\n\u8981\u7d20\u306b\u30c9\u30e9\u30c3\u30b0\u4e2d\u306e\u8981\u7d20\u304c\u4e57\u3063\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
drop<\/td>\n\u8981\u7d20\u306b\u30c9\u30e9\u30c3\u30b0\u4e2d\u306e\u8981\u7d20\u304c\u30c9\u30ed\u30c3\u30d7\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n
resize<\/td>\n\u30d6\u30e9\u30a6\u30b6\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u30b5\u30a4\u30ba\u304c\u5909\u66f4\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/a>\u4ee5\u4e0b\u306b\u4f55\u500b\u304b\u4e0a\u8a18\u306e\u30a4\u30d9\u30f3\u30c8\u4f7f\u7528\u3057\u305f\u7c21\u5358\u306a\u30b3\u30fc\u30c9\u306e\u4f5c\u6210\u4f8b\u3092\u3054\u7d39\u4ecb\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n
\u4f5c\u6210\u4f8b\u2460<\/h3>\n
mouseover, mouseout\u30a4\u30d9\u30f3\u30c8\u4f7f\u3063\u3066\u3001\u8981\u7d20\u306e\u4e0a\u306b\u30de\u30a6\u30b9\u304c\u4e57\u308b\u3068\u30d4\u30f3\u30af\uff0c\u96e2\u308c\u308b\u3068\u30b0\u30ec\u30fc(\u3082\u3068\u306b\u623b\u308b\u30b3\u30fc\u30c9)<\/p>\n
\u52d5\u4f5c\u753b\u50cf<\/span><\/strong>
\n\"\"<\/a><\/p>\n
\u4f5c\u6210\u30b3\u30fc\u30c9(html\u30bf\u30b0,head\u30bf\u30b0\u306f\u7701\u7565)<\/strong><\/p>\n
\n
<body>\r\n    <div id=\"box\" style=\"width:100px; height: 100px; background-color: lightgray;\">\r\n    <\/div>\r\n\r\n    <script type=\"text\/javascript\">\r\n\u00a0 \u00a0     var box = document.getElementById(\"box\");\r\n\r\n\u00a0 \u00a0     \/\/ mouseover\u30a4\u30d9\u30f3\u30c8\r\n\u00a0 \u00a0     box.addEventListener(\"mouseover\", function(){\r\n\u00a0 \u00a0 \u00a0 \u00a0     box.style.backgroundColor = \"pink\";\r\n\u00a0 \u00a0     });\r\n\r\n\u00a0 \u00a0     \/\/ mouseout\u30a4\u30d9\u30f3\u30c8\r\n\u00a0 \u00a0     box.addEventListener(\"mouseout\", function(){\r\n\u00a0 \u00a0 \u00a0 \u00a0     box.style.backgroundColor = \"lightgray\";\r\n\u00a0 \u00a0     });\r\n    <\/script>\r\n<\/body><\/code><\/pre>\n<\/div>\n
 <\/p>\n
\u4f5c\u6210\u4f8b\u2461<\/h3>\n
scroll\u30a4\u30d9\u30f3\u30c8\u4f7f\u3063\u3066\u3001\u30dc\u30c7\u30a3\u306e\uff39\u65b9\u5411\u306e\u30b9\u30af\u30ed\u30fc\u30eb\u5024\u304c500px\u672a\u6e80\u306e\u3068\u304d\u306f\u3001\u80cc\u666f\u8272\u3092\u8584\u3044\u6a59(#F1CDB9<\/span>)\u3002\u30b9\u30af\u30ed\u30fc\u30eb\u5024\u306e\u5024\u304c500px\u672a\u6e80\u306e\u6642\u306f\u3001\u8584\u3044\u7dd1(#C9E4CA<\/span>)\u306b\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u3002
\n\u30b9\u30bf\u30a4\u30eb\u306e“transition: background-color 0.5s ease;”<\/span>\u306e\u90e8\u5206\u306f\u3001\u3044\u304d\u306a\u308a\u8272\u304c\u5207\u308a\u66ff\u308f\u308b\u306e\u3067\u306f\u306a\u304f\u30010.5\u79d2\u304b\u3051\u3066\u6ed1\u3089\u304b\u306b\u8272\u304c\u5207\u308a\u66ff\u308f\u308b\u3088\u3046\u306b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u5165\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u52d5\u4f5c\u753b\u50cf<\/span><\/strong>
\n\"\"<\/a><\/p>\n
\u4f5c\u6210\u30b3\u30fc\u30c9(html\u30bf\u30b0,head\u30bf\u30b0\u306f\u7701\u7565)<\/strong><\/p>\n
\n
<body>\r\n\u00a0 \u00a0 <style>\r\n\u00a0 \u00a0 \u00a0 \u00a0 body {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 height: 2000px;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 background-color: #F1CDB9;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 transition: background-color 0.5s ease;\r\n\u00a0 \u00a0 \u00a0 \u00a0 }\r\n\u00a0 \u00a0 <\/style>\r\n\u00a0 \u00a0 <script>\r\n\u00a0 \u00a0 \u00a0 \u00a0 window.addEventListener('scroll', function() {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 if (window.scrollY > 500) {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 document.body.style.backgroundColor = \"#C9E4CA\";\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } else {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 document.body.style.backgroundColor = \"#F1CDB9\";\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }\r\n\u00a0 \u00a0 \u00a0 \u00a0 });\r\n\u00a0 \u00a0 <\/script>\r\n<\/body><\/code><\/pre>\n<\/div>\n
\u4f5c\u6210\u4f8b\u2462<\/h3>\n
keydown\u30a4\u30d9\u30f3\u30c8\u4f7f\u3063\u3066\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u306e\u5341\u5b57\u30ad\u30fc\u304c\u62bc\u3055\u308c\u305f\u969b\u306b\u3001\u5149\u308b\u77e2\u5370\u3092\u8868\u793a\u3059\u308b\u30b3\u30fc\u30c9\u3067\u3059\u3002DIV\u306e\u30af\u30e9\u30b9\u540d\u306b”active”\u3068\u3044\u3046\u30af\u30e9\u30b9\u3092\u8ffd\u52a0\u3057\u3066\u30ad\u30fc\u30dc\u30fc\u30c9\u306e\u5341\u5b57\u30ad\u30fc\u304c\u62bc\u3055\u308c\u3066\u3044\u308b\u3068\u304d\u306f\u80cc\u666f\u8272\u3092\u9ec4\u8272\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001keyup\u30a4\u30d9\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u306e\u5341\u5b57\u30ad\u30fc\u304c\u96e2\u3055\u308c\u305f\u3068\u304d\u306b\u306f\u8ffd\u52a0\u3057\u305f”active”\u3068\u3044\u3046\u30af\u30e9\u30b9\u540d\u3092\u524a\u9664\u3057\u3066\u3001\u80cc\u666f\u8272\u3092\u5143\u306b\u623b\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n
\u4f5c\u6210\u30b3\u30fc\u30c9\u306efunction(e)\u3001e.key\u306e\u90e8\u5206\u304c\u5c11\u3057\u5206\u304b\u308a\u306b\u304f\u3044\u306e\u3067\u89e3\u8aac\u52a0\u3048\u307e\u3059\u3002<\/p>\n
addEventListener()\u30e1\u30bd\u30c3\u30c9\u3067\u6307\u5b9a\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3059\u308b\u3068\u3001JavaScript\u306f\u6307\u5b9a\u3057\u305f\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001\u305d\u306e\u969b\u306b\u767a\u751f\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u5f15\u6570\u3068\u3057\u3066\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u901a\u5e38\u3001\u5f15\u6570\u306b\u306fe\u3068\u304bevent<\/code>\u3068\u3044\u3046\u540d\u524d\u304c\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u81ea\u5206\u3067\u597d\u304d\u306a\u540d\u524d\u3092\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002function(e)\u306ee\u306f\u3001\u30a4\u30d9\u30f3\u30c8(\u3053\u306e\u5834\u5408\u306f\u30ad\u30fc\u30c0\u30a6\u30f3\u30a4\u30d9\u30f3\u30c8)\u3092\u5f15\u6570\u3068\u3057\u3066\u95a2\u6570\u306b\u6e21\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n
\u5f15\u6570\u3068\u3057\u3066\u6e21\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u306b\u5fdc\u3058\u305f\u60c5\u5831\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30ad\u30fc\u30c0\u30a6\u30f3\u30a4\u30d9\u30f3\u30c8\u306e\u5834\u5408\u3001\u3069\u306e\u30ad\u30fc\u304c\u62bc\u3055\u308c\u305f\u304b\u3092\u8868\u3059\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u3066’key’\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001e.key\u306f\u3001\u5f15\u6570\u3067\u6e21\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e’key’\u30d7\u30ed\u30d1\u30c6\u30a3\u21d2\u3064\u307e\u308a\u3001\u3069\u306e\u30ad\u30fc\u304c\u62bc\u3055\u308c\u305f\u304b\u3092\u53c2\u7167\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n
\u52d5\u4f5c\u753b\u50cf<\/span><\/strong>
\n\"\"<\/a><\/p>\n
\u4f5c\u6210\u30b3\u30fc\u30c9(html\u30bf\u30b0,head\u30bf\u30b0\u306f\u7701\u7565)<\/strong><\/p>\n
\n
<body>\r\n\u00a0 \u00a0 <style>\r\n\u00a0 \u00a0 \u00a0 \u00a0 #arrow-keys {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 position: fixed;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 display: flex;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 justify-content: center;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 align-items: center;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 width: 100%;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 height: 100px;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 margin-top: 100px;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 background-color: #f1f1f1;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 z-index: 999;\r\n\u00a0 \u00a0 \u00a0 \u00a0 }\r\n\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 .up-key, .left-key, .down-key, .right-key {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 width: 30px;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 height: 30px;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 margin: 0 10px;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 border: solid 2px black;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 border-radius: 50%;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 text-align: center;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 line-height: 30px;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 transition: background-color 0.2s ease;\r\n\u00a0 \u00a0 \u00a0 \u00a0 }\r\n\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 .up-key.active, .left-key.active, .down-key.active, .right-key.active {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 background-color: #ffcc33;\r\n\u00a0 \u00a0 \u00a0 \u00a0 }\r\n\u00a0 \u00a0 <\/style>\r\n\r\n\r\n\u00a0 \u00a0 <div id=\"arrow-keys\">\r\n\u00a0 \u00a0 \u00a0 \u00a0 <div class=\"up-key\">\u2191<\/div>\r\n\u00a0 \u00a0 \u00a0 \u00a0 <div class=\"left-key\">\u2190<\/div>\r\n\u00a0 \u00a0 \u00a0 \u00a0 <div class=\"down-key\">\u2193<\/div>\r\n\u00a0 \u00a0 \u00a0 \u00a0 <div class=\"right-key\">\u2192<\/div>\r\n\u00a0 \u00a0 <\/div>\r\n\r\n\r\n\u00a0 \u00a0 <script type=\"text\/javascript\">\r\n\u00a0 \u00a0 \u00a0 \u00a0 const upKey = document.querySelector('.up-key');\r\n\u00a0 \u00a0 \u00a0 \u00a0 const leftKey = document.querySelector('.left-key');\r\n\u00a0 \u00a0 \u00a0 \u00a0 const downKey = document.querySelector('.down-key');\r\n\u00a0 \u00a0 \u00a0 \u00a0 const rightKey = document.querySelector('.right-key');\r\n\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 document.addEventListener('keydown', function(e) {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 switch (e.key) {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 case 'ArrowUp':\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 upKey.classList.add('active');\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 break;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 case 'ArrowLeft':\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 leftKey.classList.add('active');\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 break;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 case 'ArrowDown':\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 downKey.classList.add('active');\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 break;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 case 'ArrowRight':\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 rightKey.classList.add('active');\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 break;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }\r\n\u00a0 \u00a0 \u00a0 \u00a0 });\r\n\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 document.addEventListener('keyup', function(e) {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 switch (e.key) {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 case 'ArrowUp':\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 upKey.classList.remove('active');\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 break;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 case 'ArrowLeft':\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 leftKey.classList.remove('active');\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 break;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 case 'ArrowDown':\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 downKey.classList.remove('active');\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 break;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 case 'ArrowRight':\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 rightKey.classList.remove('active');\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 break;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }\r\n\u00a0 \u00a0 \u00a0 \u00a0 });\r\n\u00a0 \u00a0 <\/script>\r\n<\/body><\/code><\/pre>\n<\/div>\n
 <\/p>\n
\u307e\u3068\u3081<\/h3>\n
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