{"blog_title":"\u751f\u6daf\u672a\u719f","image_url":null,"author_url":"https://blog.hatena.ne.jp/syossan/","type":"rich","blog_url":"https://syossan.hateblo.jp/","categories":[],"description":"\u3068\u3044\u3046\u308f\u3051\u3067JavaScirpt\u306e\u30af\u30e9\u30b9\u5185\u306bprivate\u30e1\u30bd\u30c3\u30c9\u3084\u3089private\u30d7\u30ed\u30d1\u30c6\u30a3\u3084\u3089\u3092\u5b9f\u73fe\u3057\u305f\u3044\u306a\u3001\u3068\u601d\u3063\u3066\u8abf\u3079\u305f\u6642\u306b\u8272\u3005\u77e5\u308b\u3053\u3068\u304c\u3042\u3063\u305f\u306e\u3067\u307e\u3068\u3081\u3066\u307f\u308b\u3002 \u4e3b\u306a\u5b9f\u88c5\u65b9\u6cd5 \u8abf\u3079\u3066\u307f\u308b\u3068\uff14\u3064\u307b\u3069\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3057\u305f\u3002 private\u30e1\u30bd\u30c3\u30c9\u30fb\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u63a5\u982d\u8f9e\u306b_\u3092\u4ed8\u3051\u308b \u30af\u30ed\u30fc\u30b8\u30e3\u3092\u4f7f\u3063\u305f\u5b9f\u88c5 Symbol\u3092\u4f7f\u3046 WeakMap\u3092\u4f7f\u3046 \u305d\u308c\u305e\u308c\u306b\u3064\u3044\u3066\u3046\u3093\u3046\u3093\u3068\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002 private\u30e1\u30bd\u30c3\u30c9\u30fb\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u63a5\u982d\u8f9e\u306b_\u3092\u4ed8\u3051\u308b \u3053\u308c\u306f\u8d85\u7c21\u5358\u3067\u3059\u306d\u3002 \u4ee5\u4e0b\u306e\u69d8\u306a\u611f\u3058\u3002 var Hoge = function(){}; Hoge.prototype = { publicMetho\u2026","height":"190","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","title":"JavaScript\u306e\u30af\u30e9\u30b9\u3067private\u3092\u5b9f\u73fe\u3057\u3066\u307f\u305f\u304b\u3063\u305f\u4eba\u751f\u3060\u3063\u305f","published":"2016-08-09 22:50:16","author_name":"syossan","version":"1.0","url":"https://syossan.hateblo.jp/entry/2016/08/09/225016","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsyossan.hateblo.jp%2Fentry%2F2016%2F08%2F09%2F225016\" title=\"JavaScript\u306e\u30af\u30e9\u30b9\u3067private\u3092\u5b9f\u73fe\u3057\u3066\u307f\u305f\u304b\u3063\u305f\u4eba\u751f\u3060\u3063\u305f - \u751f\u6daf\u672a\u719f\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%"}