{"height":"190","description":"\u9280\u6cb3\u6708\u4e0b\u7f8e\u4eba\u306e\u3058\u3047\u3093\u3068\u308b\u3081\u3093\u306e\u307f\u3093\u306a\uff01 \u5143\u6c17\u306b\u3057\u3066\u305f\u304b\u306a\uff1f \u4eca\u65e5\u3082\u3046\u3069\u3093\u3055\u3093\u306e\u7d4c\u9a13\u3092\u307e\u3068\u3081\u308b\u7c21\u5358\u306a\u4f5c\u696d\u3092\u59cb\u3081\u308b\u3088\u3002\u4eca\u56de\u306fJavaScript\u3060\u3088\u3002 new\u3063\u3066\u7d50\u5c40\u4f55\u3092\u751f\u6210\u3059\u308b\u306e\u3088 function f(){thia.a = 10;};var obj = new f(); \u3053\u306e\u30b3\u30fc\u30c9\u306eobj\u306f\u7d50\u679c\u3068\u3057\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69cb\u9020\u306b\u306a\u308b\u3089\u3057\u3044\u3088\u3002 { a:10, __proto__:f.prototype }; \u95a2\u6570\u3092new\u3059\u308b \u2193 {}\u751f\u6210 \u2193 {}\u3092this\u306b\u4ee3\u5165 \u2193 \u95a2\u6570\u3092\u666e\u901a\u306b\u5b9f\u884c\u3057\u3061\u3083\u3046(\u3053\u3053\u3067this\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u5024\u3092\u5165\u308c\u308b\u3068\u3001{}\u306b\u53cd\u6620\u3055\u308c\u308b\u308f\u3051\u306d) \u2193 \u95a2\u6570\u306eprototype\u3092__pr\u2026","published":"2010-11-01 15:25:28","author_url":"https://blog.hatena.ne.jp/puruhime/","url":"https://puruhime.hatenadiary.org/entry/20101101/1288592728","author_name":"puruhime","type":"rich","version":"1.0","image_url":null,"width":"100%","blog_url":"https://puruhime.hatenadiary.org/","provider_name":"Hatena Blog","title":"\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3063\u3066\u306a\u3093\u3066\u3044\u3046\u304b\u3001\u30ac\u30f3\u30c0\u30e0\u306e\u5f8c\u4ed8\u6a5f\u4f53\u307f\u305f\u3044\u3060\u3088\u306d\u3002\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30ea\u30c3\u30af\u30c7\u30a3\u30a2\u30b9\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30bc\u30fc\u30bf\u30ac\u30f3\u30c0\u30e0\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u2026\u2026\u4ed6\u306b\u3044\u307e\u3057\u305f\u3063\u3051\uff1f","categories":["JavaScript"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpuruhime.hatenadiary.org%2Fentry%2F20101101%2F1288592728\" title=\"\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3063\u3066\u306a\u3093\u3066\u3044\u3046\u304b\u3001\u30ac\u30f3\u30c0\u30e0\u306e\u5f8c\u4ed8\u6a5f\u4f53\u307f\u305f\u3044\u3060\u3088\u306d\u3002\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30ea\u30c3\u30af\u30c7\u30a3\u30a2\u30b9\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30bc\u30fc\u30bf\u30ac\u30f3\u30c0\u30e0\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u2026\u2026\u4ed6\u306b\u3044\u307e\u3057\u305f\u3063\u3051\uff1f - [\u00b4\u30fb[\u30a7]\u30fb] &amp;lt;\u3082\u3082\u3082\u3063\u3082\u3063\" 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","blog_title":"[\u00b4\u30fb[\u30a7]\u30fb] &lt;\u3082\u3082\u3082\u3063\u3082\u3063"}