{"height":"190","version":"1.0","url":"https://teramako.hatenadiary.org/entry/20140625/p1","blog_title":"hogehoge @teramako","image_url":null,"description":"645416 - harmony:symbols) Implement symbols \u4e0d\u5b8c\u5168\u306a\u304c\u3089 ES6 \u306e Symbol \u304c\u5b9f\u88c5\u3055\u308c\u305f\u3002Symbol\u306f\u3001Undefined, Null, Boolean, Number, String \u306b\u7d9a\u304f\u65b0\u305f\u306a\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u306a\u578b\u3067\u3042\u308b\u3002\u65e2\u306bChrome\u306eV8\u30a8\u30f3\u30b8\u30f3\u306b\u306f\u5b9f\u88c5\u3055\u308c\u3066\u3044\u3066\u3001Symbol\u306b\u3064\u3044\u3066 - JS.next\u306b\u3066\u8a18\u4e8b\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u3069\u3093\u306a\u3082\u306e\u304b\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u7167\u3059\u308b\u3068\u826f\u3044\u3068\u601d\u3046\u3002\u305f\u3060\u3001\u4e00\u70b9\u3001V8\u3082\u542b\u3081\u3001Object.getOwnPropertySymbols() \u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u3066\u3001\u5b8c\u5168\u306b\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f5c\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3053\u3068\u306b\u306f\u2026","width":"100%","categories":["ECMAScript","Firefox"],"title":"Firefox 33\u3067ES6\u306eSymbol\u304c\u5b9f\u88c5\u3055\u308c\u305f","author_url":"https://blog.hatena.ne.jp/teramako/","blog_url":"https://teramako.hatenadiary.org/","published":"2014-06-25 00:00:00","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fteramako.hatenadiary.org%2Fentry%2F20140625%2Fp1\" title=\"Firefox 33\u3067ES6\u306eSymbol\u304c\u5b9f\u88c5\u3055\u308c\u305f - hogehoge @teramako\" 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","author_name":"teramako","type":"rich"}