{"image_url":null,"blog_title":"\u30e9\u30b7\u30a6\u30e9","provider_name":"Hatena Blog","description":"JavaScript(ECMAScript)\u306f\u3001Prototype\u30d9\u30fc\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306a\u306e\u3067\u3001\u7d99\u627f\u3092\u4f7f\u3044\u305f\u3044\u5834\u5408\u3001Prototype\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u5c5e\u6027\u3092\u5171\u6709\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3002\u81ea\u8eab\u306b\u305d\u306e\u5c5e\u6027\u304c\u306a\u3044\u5834\u5408\u3001prototype\u306e\u540c\u5c5e\u6027\u3092\u81ea\u52d5\u7684\u306b\u63a2\u3057\u306b\u884c\u304f\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3067\u3042\u308b\u3002 function Foo() { } // Foo\u306fname\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3063\u305fObject\u3092\u7d99\u627f Foo.prototype = { name : \"Foo\", }; function Bar() { } // Bar\u306fFoo\u3092\u7d99\u627f Bar.prototype = new Foo(); alert(new Bar().name)\u2026","title":" JavaScript\u3067\u306e\u7d99\u627f","author_name":"bellbind","version":"1.0","blog_url":"https://bellbind.hatenadiary.org/","height":"190","width":"100%","categories":[],"published":"2005-10-17 01:43:25","author_url":"https://blog.hatena.ne.jp/bellbind/","type":"rich","url":"https://bellbind.hatenadiary.org/entry/20051017/p1","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbellbind.hatenadiary.org%2Fentry%2F20051017%2Fp1\" title=\" JavaScript\u3067\u306e\u7d99\u627f - \u30e9\u30b7\u30a6\u30e9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog"}