{"blog_title":"hogehoge @teramako","provider_url":"https://hatena.blog","author_name":"teramako","provider_name":"Hatena Blog","categories":["ECMAScript","Firefox"],"type":"rich","title":"Firefox 34 \u3067ES6\u306e Object.assign() \u304c\u5b9f\u88c5\u3055\u308c\u305f\u304c\u2026","height":"190","blog_url":"https://teramako.hatenadiary.org/","version":"1.0","author_url":"https://blog.hatena.ne.jp/teramako/","image_url":null,"published":"2014-08-12 00:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fteramako.hatenadiary.org%2Fentry%2F20140812%2Fp1\" title=\"Firefox 34 \u3067ES6\u306e Object.assign() \u304c\u5b9f\u88c5\u3055\u308c\u305f\u304c\u2026 - 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>","url":"https://teramako.hatenadiary.org/entry/20140812/p1","description":"937855 - Implement ES6 Object.assign \u4ed5\u69d8: 19.1.2.1 Object.assign ( target, ...sources ) \u7686\u3055\u3093\u5f85\u671b\u306e\u3001mixin \u3092\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308b\u3002\u7b2c\u4e00\u5f15\u6570\u306etarget\u306b\u3001\u7b2c\u4e8c\u5f15\u6570\u4ee5\u964d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5024\u3092\u4ee3\u5165\u3057\u3066\u3044\u304f\u3002 var obj = { foo: \"FOO\", }; var res = Object.assign(obj, { bar: \"BAR\" }, { piyo: \"PIYO\" }); obj.bar; // => \"BAR\"; obj.piyo; // => \"PIYO\" res === obj; // =\u2026","width":"100%"}