{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fc4se.hatenablog.com%2Fentry%2F20090828%2F1251423989\" title=\"javascript\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570 - 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/","author_name":"Kureduki_Maari","url":"https://c4se.hatenablog.com/entry/20090828/1251423989","type":"rich","blog_url":"https://c4se.hatenablog.com/","description":"\u8ffd\u8a1820160121 WeakMap\u3092\u4f7f\u3063\u305finstance\u8b8a\u6578\u306e\u5be6\u88c5\u6cd5\u3092\u8a18\u3057\u305f\u3002 JavaScript\u306eclass\u3067private\u3068protected\u3092\u5b9f\u73fe\u3059\u308b - c4se\u8a18\uff1a\u3055\u3063\u3061\u3083\u3093\u3067\u3059\u3088\u2606 javascript\u3067\u306e\u30af\u30e9\u30b9\u5909\u6570\u306e\u4f5c\u308a\u65b9\u306f\u3001\u30af\u30ed\u30fc\u30b8\u30e3\u3092\u6607\u308b\u30b3\u30b9\u30c8\u3055\u3048\u6255\u3048\u3070\u7c21\u5358\u3060\u3051\u3069\u3001 \u3068\u601d\u3063\u3066\u3044\u305f\u3089\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u306e\u4f5c\u308a\u65b9\u3092\u898b\u4ed8\u3051\u305f\u3002 \u3051\u3069\u3001 \u30af\u30ed\u30fc\u30b8\u30e3\u6607\u308a\u3001 \u30cf\u30c3\u30b7\u30e5\u6f14\u7b97\u3001 gc\u51fa\u6765\u306a\u304f\u306a\u308b\u3001 \u3068\u3001\u30b3\u30b9\u30c8\u304c\u9ad8\u3059\u304e\u308b\u306e\u3067\u3001\u4f7f\u3044\u305f\u304f\u306a\u3044\u3002\u81ea\u5206\u3067\u5b9f\u884c\u30b9\u30b3\u30fc\u30d7\u306e\u7ba1\u7406\u3063\u3066\u3001\u51fa\u6765\u306a\u3044\u3088\u306d\uff1f \u3042\u3068\u3001\u306a\u3093\u3061\u3083\u3063\u3066Scheme\u5b9f\u88c5\u3068\u3001\u30c4\u30ea\u30fc\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u5b9f\u88c5\u3092\u4f5c\u3063\u305f\u304c\u3001\u3055\u3059\u304c\u306b\u643a\u5e2f\u304b\u3089\u3067\u306f\u6295\u7a3f\u3067\u304d\u3093\u3002 \u2026","image_url":null,"provider_url":"https://hatena.blog","published":"2009-08-28 10:46:29","version":"1.0","provider_name":"Hatena Blog","width":"100%","blog_title":"c4se\u8a18\uff1a\u3055\u3063\u3061\u3083\u3093\u3067\u3059\u3088\u2606","height":"190","categories":[],"title":"javascript\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570"}