{"version":"1.0","blog_url":"https://bambinya.hateblo.jp/","description":"js\u306ethis\u306f\u3001\u3042\u308b\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u3068\u304d\u306b\u3001\u305d\u306e\u95a2\u6570\u3092\u683c\u7d0d\u3057\u3066\u3044\u305fObject\u3092\u6307\u3059\u3002 js how does \"this\" work? \u95a2\u6570\u3092\u5358\u306bfunc();\u3068\u3044\u3046\u5f62\u3067\u5358\u4f53\u3067\u5b9f\u884c\u3057\u305f\u5834\u5408\u3001this\u306b\u306fwindow\u304c\u5165\u308b\u3002 new\u6f14\u7b97\u5b50\u306ethis js\u306enew\u306f\u4efb\u610f\u306e\u95a2\u6570\u3068\u4e00\u7dd2\u306b\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002 var x = new func(); \u4e0a\u306e\u4f8b\u3067\u306f\u3001\u307e\u305anew\u3067\u65b0\u3057\u3044\u7a7a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8{}\u304c\u751f\u6210\u3055\u308c\u3001\u6b21\u306b\u95a2\u6570func()\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3002\u3053\u306e\u3068\u304d\u95a2\u6570func\u5185\u306ethis\u306b\u306f\u65b0\u3057\u304f\u751f\u6210\u3055\u308c\u305f\u7a7a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u6e21\u3055\u308c\u3001\u95a2\u6570\u5b9f\u884c\u5f8c\u3001\u751f\u6210\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304cnew\u306e\u5b9f\u884c\u7d50\u679c\u3068\u3057\u3066\u5909\u6570x\u306b\u4ee3\u5165\u3055\u308c\u2026","height":"190","categories":[],"provider_name":"Hatena Blog","blog_title":"bambinya's blog","title":"JavaScript\u306ethis","url":"https://bambinya.hateblo.jp/entry/2015/07/29/190423","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbambinya.hateblo.jp%2Fentry%2F2015%2F07%2F29%2F190423\" title=\"JavaScript\u306ethis - bambinya&#39;s blog\" 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%","provider_url":"https://hatena.blog","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/b/bambinya/20150729/20150729190027.png","type":"rich","published":"2015-07-29 19:04:23","author_name":"bambinya","author_url":"https://blog.hatena.ne.jp/bambinya/"}