{"categories":["Firefox","JavaScript"],"author_url":"https://blog.hatena.ne.jp/teramako/","description":"https://mail.mozilla.org/pipermail/es-discuss/2013-March/029259.html \u3067\u6c17\u4ed8\u304b\u3055\u308c\u305f\u3002Firefox \u306a\u3089 Object.setPrototypeOf \u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002Firefox\u3001\u3068\u3044\u3046\u3088\u308a\u3082\u3001SpiderMonkey \u306a\u306e\u3060\u304c\u3001Object.prototype.__proto__\u304cgetter/setter\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002 Object.getOwnPropertyDescriptor(Object.prototype, \"__proto__\"); /* { configurable: true, enumerab\u2026","blog_url":"https://teramako.hatenadiary.org/","title":"Object.setPrototypeOf \u3092\u4f5c\u308b","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fteramako.hatenadiary.org%2Fentry%2F20130319%2Fp1\" title=\"Object.setPrototypeOf \u3092\u4f5c\u308b - 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","type":"rich","provider_url":"https://hatena.blog","version":"1.0","author_name":"teramako","width":"100%","blog_title":"hogehoge @teramako","height":"190","published":"2013-03-19 00:00:00","url":"https://teramako.hatenadiary.org/entry/20130319/p1","image_url":null}