{"version":"1.0","author_url":"https://blog.hatena.ne.jp/myakura/","image_url":null,"width":"100%","categories":["JavaScript","Safari"],"title":"JavaScriptCore\u3067parseInt('010')\u304c\u5341\u9032\u6570\u3068\u3057\u3066\u51e6\u7406\u3055\u308c\u308b\u3088\u3046\u306b\uff08\u2192V8, SpiderMonkey\u3082\u8ffd\u5f93\uff09","provider_url":"https://hatena.blog","blog_title":"fragmentary","description":"\u3061\u3087\u3063\u3068\u524d\u306b\u3001JavaScriptCore\u3067parseInt()\u306e\u6319\u52d5\u304c\u5909\u66f4\u3055\u308c\u3066\u30010\u304b\u3089\u59cb\u307e\u308b\u6587\u5b57\u5217\u30928\u9032\u6570\u3068\u3057\u3066\u8a8d\u8b58\u3057\u306a\u304f\u306a\u3063\u305f\u3002 Changeset 103922 \u2015 ES5 prohibits parseInt from supporting octal parseInt\u306f\u5165\u308b\u6587\u5b57\u5217\u306b\u3088\u3063\u3066\u3001\u6570\u5024\u306e\u5e95\u304c\u5909\u308f\u3063\u3061\u3083\u3046\u3002\u57fa\u672c\u7684\u306b\u306f\u5341\u9032\u6570\u3068\u3057\u3066\u51e6\u7406\u3059\u308b\u3051\u308c\u3069\u3001\"0x10\"\u307f\u305f\u304f0x\uff08\u3082\u3057\u304f\u306f0X\uff09\u304b\u3089\u59cb\u307e\u308b\u6587\u5b57\u5217\u304c\u6e21\u3055\u308c\u305f\u5834\u5408\u3001\u6587\u5b57\u5217\u306f16\u9032\u6570\u3068\u3057\u3066\u89e3\u91c8\u3055\u308c\u3001\u51e6\u7406\u3055\u308c\u308b\u3002\u3060\u304b\u3089\u3001parseInt('0x10')\u306f16\u3092\u8fd4\u3059\u3002 \u3053\u3053\u307e\u3067\u306f\u307e\u3060\u3044\u3044\u3068\u3057\u3066\u3001\"010\"\u3068\u304b0\u304b\u3089\u59cb\u307e\u308b\u6570\u5024\uff08\u306e\u6587\u5b57\u5217\u2026","type":"rich","url":"https://myakura.hatenablog.com/entry/2012/01/25/235032","blog_url":"https://myakura.hatenablog.com/","height":"190","published":"2012-01-25 23:50:32","author_name":"myakura","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmyakura.hatenablog.com%2Fentry%2F2012%2F01%2F25%2F235032\" title=\"JavaScriptCore\u3067parseInt(&#39;010&#39;)\u304c\u5341\u9032\u6570\u3068\u3057\u3066\u51e6\u7406\u3055\u308c\u308b\u3088\u3046\u306b\uff08\u2192V8, SpiderMonkey\u3082\u8ffd\u5f93\uff09 - fragmentary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog"}