{"url":"https://hide-o-55.hatenadiary.org/entry/20120403/1333457980","provider_name":"Hatena Blog","type":"rich","blog_url":"https://hide-o-55.hatenadiary.org/","provider_url":"https://hatena.blog","image_url":null,"version":"1.0","published":"2012-04-03 21:59:40","categories":["C++","Node.js","V8"],"height":"190","author_name":"hide_o_55","width":"100%","description":"JavaScript\u95a2\u6570\u306e\u5f15\u6570\u3067\u3042\u308bv8::Arguments\u306e\u30e1\u30bd\u30c3\u30c9\u306bThis()\u3068Holder()\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e2\u3064\u3068\u3082\u3001\u901a\u5e38\u306f JavaScript\u3067\u306e this \u306b\u76f8\u5f53\u3059\u308bv8::Object\u3092\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9\u306a\u306e\u3067\u3059\u304c\u3001\u9055\u3044\u304c\u308f\u304b\u308a\u306b\u304f\u3044\u306e\u3067\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002 This() \u3068 Holder() \u306f\u4f55\u304c\u9055\u3046\u306e\u304b\uff1f \u4ee5\u4e0b\u306e\u8aac\u660e\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u3068\u601d\u3044\u307e\u3059\u3002 They are not the same. This() corresponds to JS 'this' and should be operated upon when you'd like to have a norma\u2026","blog_title":"WebService::Blog-&gt;new( user =&gt; \u2019hide_o_55\u2019 )","title":" v8::Arguments\u306eThis()\u3068Holder()\u306e\u9055\u3044","author_url":"https://blog.hatena.ne.jp/hide_o_55/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhide-o-55.hatenadiary.org%2Fentry%2F20120403%2F1333457980\" title=\" v8::Arguments\u306eThis()\u3068Holder()\u306e\u9055\u3044 - WebService::Blog-&amp;gt;new( user =&amp;gt; \u2019hide_o_55\u2019 )\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}