{"height":"190","categories":["illustea"],"version":"1.0","type":"rich","title":"JavaScript\u306ethis","url":"https://diary.hatenablog.jp/entry/2013/02/01/165112","author_url":"https://blog.hatena.ne.jp/koba789/","author_name":"koba789","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdiary.hatenablog.jp%2Fentry%2F2013%2F02%2F01%2F165112\" title=\"JavaScript\u306ethis - Write and Run\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://diary.hatenablog.jp/","provider_url":"https://hatena.blog","width":"100%","published":"2013-02-01 16:51:12","blog_title":"Write and Run","description":"\u3069\u308c\u304c\u3053\u308c\u3067\u3042\u308c\u304c\u3069\u308c\u3060\u3002\u306a\u3093\u304b JavaScript \u306e this \u306b\u3064\u3044\u3066\u63c9\u3081\u3066\u308b\u3089\u3057\u3044\u306e\u3067\u71c3\u6599\u6295\u4e0b\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002\u3053\u308c\u3067\u4f55\u5ea6\u76ee\u3060\u3088\u30c1\u30ad\u30b7\u30e7\u30fc\u3002\u65e9\u3044\u3068\u3053\u5b66\u7fd2\u3057\u3084\u304c\u308c\u3002 this \u306f4\u7a2e\u985e\u3082\u306a\u3044 this \u306f1\u3064\u3060\u3002\u300cthis \u306f\u30ec\u30b7\u30fc\u30d0\u3092\u6307\u3059\u300d \u3053\u308c\u3060\u3051\u3060\u3002 \u30ec\u30b7\u30fc\u30d0\u306e\u6307\u3057\u65b9\u304c\u8907\u6570\u3042\u308b \u8907\u6570\u3042\u308b\u306e\u306f\u3053\u3063\u3061\u3060\u3002\u899a\u3048\u3066\u304a\u3051\u3002 receiver.method() method.call(receiver) method.apply(receiver) method.bind(receiver)() new Constructor() \u4e0a4\u3064\u306f\u898b\u305f\u307e\u307e\u3060\u3002\u4e00\u756a\u4e0b\u306f\u5c11\u3057\u7279\u6b8a\u3060\u304c\u3001\u65b0\u3057\u304f\u751f\u6210\u3055\u308c\u305f\u30aa\u30d6\u2026","image_url":null,"provider_name":"Hatena Blog"}