{"blog_url":"https://teramako.hatenadiary.org/","description":"757676 \u2013 implement harmony default parameters mozilla-central: changeset 95044:699a613bf616 function hoge (arg = \"hogehoge\") { return arg; } hoge(\"foo\"); // \"foo\"; hoge(); // \"hogehoge\" \u3048\u30fc\u3068\u3001\u3082\u3046\u5206\u304b\u308b\u3068\u601d\u3046\u3051\u3069\u3001\u5f15\u6570\u304c\u4e0e\u3048\u3089\u308c\u306a\u304b\u3063\u305f\u6642\u306e\u5024\u3092\u5b9a\u3081\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3088\u3002 \u5909\u306a\u30b3\u30fc\u30c9\u3092\u8a66\u3057\u3066\u307f\u308b function foo () { return \"outer foo\"; } var o = { func: fu\u2026","categories":["JavaScript","Firefox"],"published":"2012-05-27 00:00:00","provider_name":"Hatena Blog","blog_title":"hogehoge @teramako","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fteramako.hatenadiary.org%2Fentry%2F20120527%2Fp1\" title=\"ES.next \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u304c Firefox Nightly \u3067\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>","title":"ES.next \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u304c Firefox Nightly \u3067\u5b9f\u88c5\u3055\u308c\u305f","type":"rich","height":"190","image_url":null,"width":"100%","author_name":"teramako","version":"1.0","url":"https://teramako.hatenadiary.org/entry/20120527/p1","author_url":"https://blog.hatena.ne.jp/teramako/","provider_url":"https://hatena.blog"}