{"image_url":null,"provider_url":"https://hatena.blog","author_name":"gan2","author_url":"https://blog.hatena.ne.jp/gan2/","version":"1.0","provider_name":"Hatena Blog","blog_url":"https://gan2-2.hatenadiary.org/","description":"JavaScripter \u306a\u4eba\u305f\u3061\u306b\u306f\u5927\u5206\u524d\u304b\u3089\u5468\u77e5\u306e\u3053\u3068\u3060\u3051\u3069 \u4ee5\u4e0b\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3069\u306e\u304f\u3089\u3044\u9055\u3046\u306e\u304b\u3061\u3087\u3063\u3068\u898b\u3066\u307f\u305f\u3002 var bench = function(func) { var start = (new Date()).getTime(); func(); var end = (new Date()).getTime(); console.log(end - start); }; var ary = new Array(1000000); bench(function() { for (var i = 0; i < ary.length; i++) { ; } }); bench(f\u2026","categories":["JavaScript"],"blog_title":"gan2 \u306e Ruby \u52c9\u5f37\u65e5\u8a18","width":"100%","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgan2-2.hatenadiary.org%2Fentry%2F20080704%2F1215150089\" title=\" \u914d\u5217\u3092 for \u3067\u56de\u3059\u3068\u304d\u306f length \u3092\u4f55\u5ea6\u3082\u53c2\u7167\u3059\u308b\u3068\u9045\u3044 - gan2 \u306e Ruby \u52c9\u5f37\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://gan2-2.hatenadiary.org/entry/20080704/1215150089","title":" \u914d\u5217\u3092 for \u3067\u56de\u3059\u3068\u304d\u306f length \u3092\u4f55\u5ea6\u3082\u53c2\u7167\u3059\u308b\u3068\u9045\u3044","height":"190","published":"2008-07-04 14:41:29"}