{"id":4987,"date":"2014-12-08T10:00:03","date_gmt":"2014-12-08T01:00:03","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=4987"},"modified":"2018-11-14T16:33:50","modified_gmt":"2018-11-14T07:33:50","slug":"javascript-load-event-order","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2014\/12\/08\/javascript-load-event-order\/","title":{"rendered":"JavaScript load\u30a4\u30d9\u30f3\u30c8\u306e\u5b9f\u884c\u9806\u5e8f"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3002\u5bfa\u5ca1\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u306f <a title=\"TECHSCORE Advent Calendar 2014\" href=\"http:\/\/www.techscore.com\/blog\/2014\/11\/27\/techscore-advent-calendar-2014\/\">TECHSCORE Advent Calendar 2014<\/a> \u306e 8 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306fJavaScript \u306eload\u95a2\u9023\u30a4\u30d9\u30f3\u30c8\u306b\u304a\u3051\u308b\u5b9f\u884c\u9806\u5e8f\u306b\u3064\u3044\u3066\u66f8\u304d\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u8abf\u67fb\u3059\u308b\u304d\u3063\u304b\u3051<\/h2>\n<p>\u3042\u308b\u65e5\u3001\u4ee5\u4e0b\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u30ea\u30c0\u30a4\u30ec\u30af\u30bf\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u306b\u8feb\u3089\u308c\u307e\u3057\u305f\u3002<br \/>\n\u300c\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u5b9f\u884c\u6642\u306b\u3001\u3068\u3042\u308b\u5916\u90e8JavaScript\u3092\u5b9f\u884c\u3057\u30a2\u30af\u30bb\u30b9\u89e3\u6790\u306a\u3069\u3092\u884c\u3044\u305f\u3044\u300d<\/p>\n<p>\u5f53\u521d\u3001\u3042\u307e\u308a\u6df1\u304f\u8003\u3048\u305a\u306b\u4e8c\u3064\u8fd4\u4e8b\u3067\u9837\u3044\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u691c\u8a0e\u3092\u958b\u59cb\u3057\u3066\u307f\u308b\u3068\u8272\u3005\u8003\u616e\u4e8b\u9805\u304c\u591a\u304f\u3066\u5927\u5909\u3067\u3057\u305f\u3002<br \/>\n\u305d\u3057\u3066\u3001\u672a\u3060\u306b\u30d9\u30b9\u30c8\u306a\u89e3\u6c7a\u304c\u3067\u304d\u305f\u6c17\u304c\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u672c\u7a3f\u3067\u306f\u4e09\u5341\u8def\u304c\u8feb\u3063\u305f\u304a\u3063\u3055\u3093\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u82e6\u60b6\u306e\u8a18\u9332\u3092\u304a\u9001\u308a\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u306e\u304a\u3055\u3089\u3044<\/h2>\n<p>\u307e\u305a\u306f\u3001\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\uff08\u7684\u306a\u52d5\u4f5c\uff09\u3092\u3055\u305b\u308b\u65b9\u6cd5\u3092\u4e00\u901a\u308a\u8003\u3048\u3066\u898b\u307e\u3059\u3002<br \/>\n\u5927\u304d\u304f\u5206\u985e\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e3\u7a2e\u985e\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<ol>\n<li>HTTP\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3068Location\u30d8\u30c3\u30c0<\/li>\n<li>HTML\u306emeta\u30bf\u30b0\u3067refresh<\/li>\n<li>JavaScript\u306elocation.href\u3084locaiton.replace<\/li>\n<\/ol>\n<p>\u4eca\u56de\u306f\u89e3\u6790\u7528\u306eJavaScript\u3092\u5b9f\u884c\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u4e00\u65e6HTML\u3092\u8868\u793a\u3055\u305bJavaScript\u3092\u5b9f\u884c\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u305d\u308c\u305e\u308c\u306e\u30d1\u30bf\u30fc\u30f3\u3067\u5b9f\u73fe\u53ef\u80fd\u304b\u691c\u8a0e\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><strong>1. HTTP\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3068Location\u30d8\u30c3\u30c0<\/strong><br \/>\n\u30d6\u30e9\u30a6\u30b6\u306bHTML\u3092\u8868\u793a\u3055\u305b\u308b\u524d\u306b\u9077\u79fb\u3057\u3066\u3057\u307e\u3046\u305f\u3081\u5229\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p><strong>2. HTML\u306emeta\u30bf\u30b0\u3067refresh<\/strong><br \/>\n\u8272\u3005\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3001\u78ba\u5b9f\u306b\u5916\u90e8JavaScript\u3092\u5b9f\u884c\u3055\u305b\u308b\u306e\u306f\u96e3\u3057\u305d\u3046\u306a\u306e\u3067\u3042\u304d\u3089\u3081\u307e\u3057\u305f\u3002<\/p>\n<p><strong>3. JavaScript\u306elocation.href\u3084locaiton.replace<\/strong><br \/>\nJavaScript\u3067\u5236\u5fa1\u3067\u304d\u308b\u5206\u3001\u81ea\u7531\u5ea6\u304c\u9ad8\u305d\u3046\u3067\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306a\u3089\u306a\u3093\u3068\u304b\u306a\u308b\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u3093\u306a\u308f\u3051\u3067\u3001JavaScript\u3067\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u65b9\u91dd\u3067\u8abf\u67fb\u304c\u958b\u59cb\u3055\u308c\u305f\u306e\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u6642\u306bJavaScript\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u4eca\u56de\u306e\u8981\u4ef6\u3067\u306f\u5916\u90e8JavaScript\u306b\u3088\u308b\u30a2\u30af\u30bb\u30b9\u89e3\u6790\u304c\u7d42\u308f\u3063\u305f\u5f8c\u306b\u30da\u30fc\u30b8\u9077\u79fb\u3092\u884c\u3046JavaScript\u3092\u5b9f\u884c\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001\u89e3\u6790\u51e6\u7406\u304c\u3069\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u304b\u3092\u628a\u63e1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u6642\u306bJavaScript\u3092\u5b9f\u884c\u3055\u305b\u308b\u65b9\u6cd5\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u306e3\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>head\u3084body\u30bf\u30b0\u5185\u306escript\u30bf\u30b0\u3067\u5b9f\u884c<\/li>\n<li>DOMContentLoaded\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3067\u306e\u5b9f\u884c<\/li>\n<li>load\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3067\u306e\u5b9f\u884c<\/li>\n<\/ol>\n<p>\u3053\u306e\u4e2d\u3067\u3001\u4e00\u822c\u7684\u306b\u591a\u304f\u7528\u3044\u3089\u308c\u308b\u306e\u304cDOMContentLoaded\u30a4\u30d9\u30f3\u30c8\u3067\u3059\u3002<br \/>\n\u4ed6\u306e\u65b9\u6cd5\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<ul>\n<li>script\u30bf\u30b0\u5185\u3067\u76f4\u63a5\u51e6\u7406\u3092\u66f8\u3044\u3066\u3057\u307e\u3046\u3068\u3001\u307e\u3060\u30da\u30fc\u30b8\u4e0a\u306eDOM\u8981\u7d20\u306e\u69cb\u7bc9\u304c\u5b8c\u4e86\u3057\u3066\u304a\u3089\u305a\u5fc5\u8981\u306a\u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b<\/li>\n<li>load\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306f\u753b\u50cf\u3084CSS\u306e\u8aad\u307f\u8fbc\u307f\u5f8c\u306b\u306a\u308b\u305f\u3081\u3001\u5b9f\u884c\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u9045\u3044<\/li>\n<\/ul>\n<p>\u3088\u304f\u4f7f\u308f\u308c\u308bjQuery.ready()\u3082DOMContentLoaded\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u5229\u7528\u3057\u3066\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u4eca\u56de\u5bfe\u8c61\u3068\u306a\u3063\u305f\u5916\u90e8JavaScript\u3082\u300c\u57fa\u672c\u7684\u306b\u306f\u300dDOMContentLoaded\u30a4\u30d9\u30f3\u30c8\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30af\u30ed\u30b9\u30d6\u30e9\u30a6\u30b6\u306f\u5927\u5909\u3067\u3059\u3088<\/h2>\n<p>\u300c\u57fa\u672c\u7684\u306b\u306f\u300d\u3068\u66f8\u3044\u305f\u3068\u3044\u3046\u3053\u3068\u306f\u57fa\u672c\u7684\u3058\u3083\u306a\u3044\u5834\u5408\u3082\u3042\u308b\u308f\u3051\u3067\u2026\u2026<br \/>\nDOMContentLoaded\u30a4\u30d9\u30f3\u30c8\u304cIE\u306b\u5b9f\u88c5\u3055\u308c\u305f\u306e\u306f9\u4ee5\u964d\u3067\u3042\u308b\u305f\u3081\u3001IE8\u4ee5\u524d\u3067\u306f\u52d5\u4f5c\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u3082\u3061\u308d\u3093\u4eca\u56de\u306e\u5916\u90e8JavaScript\u3082IE8\u4ee5\u524d\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u305f\u3081\u3001DOMContentLoaded\u304c\u4f7f\u3048\u306a\u3044\u5834\u5408\u3082\u8003\u616e\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001load\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u304c\u4f7f\u308f\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u8907\u96d1\u306a\u6761\u4ef6\u5206\u5c90\u3092\u3057\u305f\u304f\u306a\u304b\u3063\u305f\u4eca\u56de\u306f\u3001DOMContentLoaded\u306e\u5229\u7528\u3092\u6ce3\u304f\u6ce3\u304f\u3042\u304d\u3089\u3081\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u767b\u9332\u3059\u308b\u65b9\u6cd5\u3042\u308c\u3053\u308c<\/h2>\n<p>\u6c17\u3092\u53d6\u308a\u76f4\u3057\u3066\u3001\u4eca\u5ea6\u306f\u5916\u90e8JavaScript\u304b\u3089\u767b\u9332\u3055\u308c\u305fload\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306e\u76f4\u5f8c\u306b\u51e6\u7406\u3092\u5b9f\u884c\u3055\u305b\u308b\u65b9\u6cd5\u3092\u691c\u8a0e\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306fJavaScript\u3067\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u767b\u9332\u3055\u305b\u308b\u65b9\u6cd5\u3092\u304a\u3055\u3089\u3044\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<ol>\n<li>HTML\u5c5e\u6027\u3068\u3057\u3066\u8a18\u8ff0\u3002\u4f8b\uff09&lt;body onload=\"alert('hoge')\"&gt;<\/li>\n<li>JavaScript\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u8a2d\u5b9a\u3002\u4f8b\uff09 window.onload=function(){alert('fuga')};<\/li>\n<li>window.attachEvent (&lt;=IE8\u306a\u3069\uff09<\/li>\n<li>window.addEventListener (\u30e2\u30c0\u30f3\u306a\u30d6\u30e9\u30a6\u30b6)<\/li>\n<\/ol>\n<p>HTML\u5c5e\u6027\u3068JavaScript\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306f\u3001\u8868\u73fe\u306f\u9055\u3048\u3069\u5b9f\u8cea\u540c\u3058\u4e8b\u3092\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u308c\u3089\u624b\u6cd5\u306f\u53e4\u304f\u304b\u3089\u5229\u7528\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u8a2d\u5b9a\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u304c\u4ee5\u524d\u306e\u30cf\u30f3\u30c9\u30e9\u3092\u4e0a\u66f8\u304d\u3057\u3066\u3057\u307e\u3046\u305f\u3081\u6700\u8fd1\u306f\u3042\u307e\u308a\u5229\u7528\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>attachEvent\u3084addEventListener\u3092\u4f7f\u3048\u3070\u3001\u8907\u6570\u306e\u30cf\u30f3\u30c9\u30e9\u3092\u767b\u9332\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u4e0a\u8a18\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u554f\u984c\u306f\u3001\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u306b\u6ce8\u610f\u3057\u3066\u547c\u3073\u5206\u3051\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3067\u3059\u3002<br \/>\n\u305f\u3060\u3057\u3001\u4e00\u822c\u7684\u306b\u306fjQuery\u306a\u3069\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3088\u3063\u3066\u30af\u30ed\u30b9\u30d6\u30e9\u30a6\u30b6\u3067\u52d5\u4f5c\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u624b\u6bb5\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u308c\u3089\u3092\u610f\u8b58\u3059\u308b\u3053\u3068\u306f\u5c11\u306a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u4eca\u56de\u306f\u4ee5\u4e0b\u3092\u8003\u616e\u3057\u3066HTML\u5c5e\u6027\u3084\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u306e\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306e\u5229\u7528\u3082\u691c\u8a0e\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30ec\u30b9\u30dd\u30f3\u30b9\u30bf\u30a4\u30e0\u8981\u4ef6\u304c\u30b7\u30d3\u30a2\u304b\u3064\u51fa\u529b\u306f\u5358\u7d14\u306aHTML\u306b\u306a\u308b\u305f\u3081\u3001\u5916\u90e8\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u4f7f\u3044\u305f\u304f\u306a\u3044<\/li>\n<li>\u30af\u30ed\u30b9\u30d6\u30e9\u30a6\u30b6\u3092\u8003\u616e\u305b\u305a\u4f7f\u3048\u308b<\/li>\n<li>\u5916\u90e8JavaScript\u306f\u547c\u3073\u51fa\u3057\u5143HTML\u3067\u8a2d\u5b9a\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u4e0a\u66f8\u304d\u3059\u308b\u3053\u3068\u306f\u306a\u3044\u7b48<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u5b9f\u884c\u9806\u5e8f<\/h2>\n<p>\u4eca\u56de\u306f\u300c\u5916\u90e8JavaScript\u306e\u51e6\u7406\u306e\u5f8c\u300d\u3068\u3044\u3046\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u72d9\u3063\u3066\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u51e6\u7406\u3092\u5b9f\u884c\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u4e00\u3064\u306e\u7591\u554f\u3092\u89e3\u6d88\u3059\u308b\u5fc5\u8981\u306b\u8feb\u3089\u308c\u307e\u3057\u305f\u3002<br \/>\n\u8907\u6570\u767b\u9332\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306f\u3044\u3063\u305f\u3044\u3069\u3093\u306a\u9806\u5e8f\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u4e16\u754c70\u5104\u4eba\u306b\u53ca\u3076JavaScripter\u306e\u30d0\u30a4\u30d6\u30eb\u3001<a href=\"#oreilly-javascript\">\u30b5\u30a4\u672c<\/a>\u3092\u958b\u3044\u3066\u307f\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u8a18\u8ff0\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<blockquote><p>\u30fb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d7\u30ed\u30d1\u30c6\u30a3\u3084HTML\u5c5e\u6027\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u3067\u767b\u9332\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u304c\u3042\u308c\u3070\u3001\u6700\u521d\u306b\u3053\u306e\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<br \/>\n\u30fbaddEventListener()\u3092\u4f7f\u3063\u3066\u767b\u9332\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306f\u3001\u767b\u9332\u3057\u305f\u9806\u5e8f\u3067\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<br \/>\n\u30fbattachEvent()\u3092\u4f7f\u3063\u3066\u767b\u9332\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306f\u3001\u9806\u4e0d\u540c\u3067\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u30b7\u30fc\u30b1\u30f3\u30b7\u30e3\u30eb\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u3053\u3068\u3092\u524d\u63d0\u306b\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002<\/p><\/blockquote>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d7\u30ed\u30d1\u30c6\u30a3\u3084HTML\u5c5e\u6027\u3067\u8a2d\u5b9a\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306f\u6700\u521d\u306b\u5b9f\u884c\u3055\u308c\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u3053\u3053\u3067\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u51e6\u7406\u3092\u3059\u308b\u3053\u3068\u306f\u51fa\u6765\u307e\u305b\u3093\u3002<br \/>\n\u3055\u3089\u306b\u3001attachEvent\u3067\u767b\u9332\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306e\u5b9f\u884c\u9806\u5e8f\u306f\u4fdd\u969c\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u308c\u3067\u306fload\u30cf\u30f3\u30c9\u30e9\u306e\u5b9f\u884c\u76f4\u5f8c\u3092\u72d9\u3063\u3066\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u767b\u9332\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u6211\u7b49\u304cJavaScript\u306b\u306f\u3053\u3093\u306a\u6642\u306e\u305f\u3081\u306e\u5fc3\u5f37\u3044\u6551\u4e16\u4e3b\u304c\u3044\u308b\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff01<\/p>\n<p>\u305d\u3046\u3001\u305d\u308c\u306f\u300csetTimeout\u300d\u3067\u3059\u3002<br \/>\nHTML\u5c5e\u6027\u306b\u8a2d\u5b9a\u3057\u305fonload\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u5185\u3067setTimeout\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3001setTimeout\u306e\u30cf\u30f3\u30c9\u30e9\u5185\u3067\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u51e6\u7406\u3092\u3059\u308c\u3070\u3088\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u5b9f\u969b\u306b\u8a66\u3057\u3066\u307f\u308b<\/h2>\n<p>\u65b9\u91dd\u304c\u6c7a\u307e\u3063\u305f\u3089\u8abf\u67fb\u3042\u308b\u306e\u307f\uff01<br \/>\n\u4ee5\u4e0b\u306eHTML\u3067load\u30a4\u30d9\u30f3\u30c8\u306b\u767b\u9332\u3055\u308c\u305f\u30cf\u30f3\u30c9\u30e9\u306e\u5b9f\u884c\u9806\u5e8f\u3092\u8abf\u67fb\u3057\u3066\u307f\u307e\u3059\u3002<br \/>\n\u3064\u3044\u3067\u306b\u3001head\u5185\u3068body\u5185\u3067\u767b\u9332\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306b\u9055\u3044\u304c\u51fa\u308b\u306e\u304b\u3082\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306b10\u4ef6\u767b\u9332\u3057\u3066\u3044\u308b\u306e\u306f\u3001attachEvent\u3067\u767b\u9332\u3057\u305f\u30cf\u30f3\u30c9\u30e9\u304c\u9806\u4e0d\u540c\u3067\u547c\u3073\u51fa\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3067\u3059\u3002<br \/>\n\u203battachEvent\u306f\u4ef6\u6570\u304c\u5c11\u306a\u3044\u3068\u4e00\u5b9a\u306e\u9806\u5e8f\uff08\u767b\u9332\u306e\u9006\u9806\uff09\u3067\u767a\u706b\u3059\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n<pre class=\"lang:html decode:true \">&lt;html&gt;\r\n&lt;head&gt;\r\n&lt;script type=\"text\/javascript\"&gt;\r\nfunction log(str) {\r\n\u00a0 document.getElementById('log').value += str+\"\\n\";\r\n}\r\n\/\/ addEventListener\u3068attachEvent\u306e\u5224\u5225\r\nvar method = window.addEventListener ? 'addEventListener' : 'attachEvent';\r\n\/\/ attachEvent\u306e\u969b\u306eprefix\r\nvar prefix = window.addEventListener ? '' : 'on';\r\n\/\/ head\u5185\u30675\u4ef6\u306e\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u767b\u9332\r\nfor (var i=1,l=5;i&lt;=l;i++) {\r\n\u00a0 (function(msg) {\r\n\u00a0\u00a0\u00a0 window[method](prefix+'load', function(){ log(msg) }, false);\r\n\u00a0 })(method+'[head]'+i);\r\n}\r\n&lt;\/script&gt;\r\n&lt;\/head&gt;\r\n&lt;!-- onload\u5c5e\u6027\u306e\u30cf\u30f3\u30c9\u30e9\u30020\u30df\u30ea\u79d2\u3067\u306esetTimeout\u3082\u8a66\u3059 --&gt;\r\n&lt;body onload=\"log('body.onload');setTimeout(function(){log('body.onload+timeout')}, 0)\"&gt;\r\n&lt;script type=\"text\/javascript\"&gt;\r\n\/\/ body\u5185\u30675\u4ef6\u306e\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u767b\u9332\r\nfor (var i=6,l=10;i&lt;=l;i++) {\r\n\u00a0 (function(msg) {\r\n\u00a0\u00a0\u00a0 window[method](prefix+'load', function(){ log(msg) }, false);\r\n\u00a0 })(method+'[body]'+i);\r\n}\r\n&lt;\/script&gt;\r\n&lt;textarea id=\"log\" rows=\"50\" cols=\"100\"&gt;&lt;\/textarea&gt;\r\n&lt;\/body&gt;\r\n&lt;\/html&gt;\r\n<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u5b9f\u9a13\u7d50\u679c<\/h2>\n<p>\u4eca\u56de\u306fIE10\uff08IE8\u6a19\u6e96\u30e2\u30fc\u30c9\uff09\u30fbIE10\uff08\u6a19\u6e96\u30e2\u30fc\u30c9\uff09\u30fbFirefox\u30fbChrome\u3067\u8abf\u67fb\u3057\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"\"># IE10(IE8\u6a19\u6e96\u30e2\u30fc\u30c9)\r\nbody.onload\r\nattachEvent[body]9\r\nattachEvent[body]8\r\nattachEvent[body]7\r\nattachEvent[body]6\r\nattachEvent[head]5\r\nattachEvent[body]10\r\nattachEvent[head]4\r\nattachEvent[head]3\r\nattachEvent[head]2\r\nattachEvent[head]1\r\nbody.onload+timeout\r\n\r\n# IE10(\u6a19\u6e96\u30e2\u30fc\u30c9)\u30fbFirefox\u30fbChrome\r\naddEventListener[head]1\r\naddEventListener[head]2\r\naddEventListener[head]3\r\naddEventListener[head]4\r\naddEventListener[head]5\r\nbody.onload\r\naddEventListener[body]6\r\naddEventListener[body]7\r\naddEventListener[body]8\r\naddEventListener[body]9\r\naddEventListener[body]10\r\nbody.onload+timeout\r\n<\/pre>\n<p>\u300cbody.onload+timeout\u300d\u304c\u5e38\u306b\u6700\u5f8c\u306b\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u4eca\u56de\u306e\u8981\u4ef6\u306f\u3053\u306e\u65b9\u6cd5\u3067\u6e80\u305f\u305b\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u65b0\u305f\u306b\u5224\u660e\u3057\u305f\u4e8b\u5b9f<\/h2>\n<p>\u3055\u3089\u306b\u3001\u3053\u306e\u5b9f\u9a13\u3067\u9762\u767d\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u30b5\u30a4\u672c\u306b\u3042\u3063\u305f\u3053\u306e\u8a18\u8ff0\u3001\u3069\u3046\u3084\u3089\u6b63\u78ba\u3067\u306f\u306a\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n<blockquote><p>\u30fb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d7\u30ed\u30d1\u30c6\u30a3\u3084HTML\u5c5e\u6027\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u3067\u767b\u9332\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u304c\u3042\u308c\u3070\u3001\u6700\u521d\u306b\u3053\u306e\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p><\/blockquote>\n<p>IE10(IE8\u6a19\u6e96\u30e2\u30fc\u30c9)\u3067\u306f\u8a18\u8ff0\u3069\u304a\u308a\u306e\u52d5\u4f5c\u306b\u306a\u308a\u307e\u3057\u305f\u304c\u3001IE10(\u6a19\u6e96\u30e2\u30fc\u30c9)\u30fbFirefox\u30fbChrome\u3067\u306f\u4ee5\u4e0b\u306e\u9806\u5e8f\u3067\u52d5\u4f5c\u3057\u307e\u3057\u305f\u3002<\/p>\n<ol>\n<li>head\u5185\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u767b\u9332\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9<\/li>\n<li>HTML\u5c5e\u6027\u3067\u8a2d\u5b9a\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9<\/li>\n<li>body\u5185\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u767b\u9332\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9<\/li>\n<\/ol>\n<p>\u52d5\u4f5c\u304b\u3089\u60f3\u50cf\u3059\u308b\u3068\u3001addEventListener\u306e\u30cf\u30f3\u30c9\u30e9\u3068onload\u5c5e\u6027\u306f\u5358\u7d14\u306b\u767b\u9332\u3055\u308c\u305f\u9806\u3067\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<ul>\n<li>JavaScript\u306e\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306e\u547c\u3073\u51fa\u3057\u9806\u5e8f\u306f\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u3063\u3066\u9055\u3046\u306e\u3067\u3001\u5e38\u306b\u610f\u8b58\u3057\u3066\u304a\u304b\u306a\u3044\u3068\u30c0\u30e1<\/li>\n<li>\u547c\u3073\u51fa\u3057\u9806\u5e8f\u306b\u4f9d\u5b58\u3057\u306a\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u3051\u3070\u3044\u3044\u3093\u3060\u3051\u3069\u3001DOMContentLoaded\u3068\u304bload\u30a4\u30d9\u30f3\u30c8\u306b\u3064\u3044\u3066\u306f\u305d\u3046\u3082\u8a00\u3063\u3066\u3089\u308c\u306a\u3044<\/li>\n<li>\u672c\u3092\u9d5c\u5451\u307f\u306b\u305b\u305a\u5b9f\u9a13\u3057\u3066\u307f\u308b\u3079\u304d!\u65b0\u305f\u306a\u77e5\u898b\u304c\u5f97\u3089\u308c\u308b\u304b\u3082\uff1f<\/li>\n<\/ul>\n<p>\u8ffd\u4f38\uff1a\u5b9f\u9a13\u7d50\u679c\u3067\u306f0ms\u3067\u3044\u3051\u305d\u3046\u306asetTimeout\u3092\u65e5\u548c\u3063\u3066100ms\u306b\u8a2d\u5b9a\u3057\u305f\u306e\u306f\u5185\u7dd2\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><a name=\"oreilly-javascript\"><\/a><br \/>\n\u203b<a href=\"http:\/\/www.amazon.co.jp\/JavaScript-%E7%AC%AC6%E7%89%88-David-Flanagan\/dp\/4873115736\">\u30aa\u30e9\u30a4\u30ea\u30fc\u30b8\u30e3\u30d1\u30f3 JavaScript \u7b2c6\u7248<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3002\u5bfa\u5ca1\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u306f TECHSCORE Advent Calendar 2014 \u306e 8 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306fJavaScript \u306eload\u95a2\u9023\u30a4\u30d9\u30f3\u30c8\u306b\u304a\u3051\u308b\u5b9f\u884c\u9806\u5e8f\u306b\u3064\u3044\u3066\u66f8\u304d\u307e\u3059\u3002<br \/><a href=\"https:\/\/www.techscore.com\/blog\/2014\/12\/08\/javascript-load-event-order\/\">\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[141,53],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/4987"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=4987"}],"version-history":[{"count":44,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/4987\/revisions"}],"predecessor-version":[{"id":5038,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/4987\/revisions\/5038"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=4987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=4987"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=4987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}