{"provider_url":"https://hatena.blog","published":"2012-10-17 00:55:31","author_name":"Kureduki_Maari","version":"1.0","image_url":null,"blog_url":"https://c4se.hatenablog.com/","title":"JavaScript\u306eprototype\u7d99\u627f\u5b9f\u9a13\u89ba\u3048\u66f8\u304d","blog_title":"c4se\u8a18\uff1a\u3055\u3063\u3061\u3083\u3093\u3067\u3059\u3088\u2606","provider_name":"Hatena Blog","url":"https://c4se.hatenablog.com/entry/2012/10/17/005531","categories":["Programming","JavaScript"],"type":"rich","width":"100%","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fc4se.hatenablog.com%2Fentry%2F2012%2F10%2F17%2F005531\" title=\"JavaScript\u306eprototype\u7d99\u627f\u5b9f\u9a13\u89ba\u3048\u66f8\u304d - c4se\u8a18\uff1a\u3055\u3063\u3061\u3083\u3093\u3067\u3059\u3088\u2606\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/Kureduki_Maari/","description":"\u89ba\u3048\u66f8\u304d\u3002SpC\u3092SbC\u3078prototype\u7d99\u627f\u3055\u305b\u308b\u3002 SpC\u306ethis (prototype\u3067\u306a\u3044) \u306e\u5024\u3092\u4f7f\u3046\u5834\u5408\u3001\u6587\u5b57\u5217\u3084\u6570\u5024\u7b49\u306e\u5373\u5024\u306a\u3089\u3070\u3001this.spProp = 'sp_prpp';\u3068\u76f4\u63a5\u521d\u671f\u5316\u3059\u308c\u3070\u597d\u3044\u304c\u3001\u914d\u5217\u3084Object\u7b49\u306e\u53c2\u7167\u5024\u3067\u3042\u3063\u305f\u5834\u5408\u306f\u3001\u9045\u5ef6\u521d\u671f\u5316\u3092\u884c\u3046\u3002 function SpC (arg) { this.spArg = arg || 'UNDEFINED'; this.spProp = 'sp_prop'; } Object.defineProperty(SpC.prototype, 'spHash', { get: function () { var ini\u2026"}