{"height":"190","url":"https://otuzak.hatenadiary.org/entry/20080217/1203203136","categories":["\u5b66\u7fd2","JavaScript"],"blog_url":"https://otuzak.hatenadiary.org/","author_name":"otuzak","author_url":"https://blog.hatena.ne.jp/otuzak/","provider_url":"https://hatena.blog","published":"2008-02-17 08:05:36","title":"JavaScript\u7b2c5\u7248\u3000P91\u301cP104","version":"1.0","width":"100%","type":"rich","image_url":null,"blog_title":"\u30ea\u30c8\u30eb\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306e\u65e5\u8a18","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fotuzak.hatenadiary.org%2Fentry%2F20080217%2F1203203136\" title=\"JavaScript\u7b2c5\u7248\u3000P91\u301cP104 - \u30ea\u30c8\u30eb\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","description":"for/in\u6587 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3054\u3068\u306b\u30eb\u30fc\u30d7\u304c\u5b9f\u884c\u3055\u308c\u308b var obj = new Object(); obj.a = 3; obj.b = \"abc\"; obj.c = function() { alert(\"call z\"); }; obj.d = [1,2,3]; obj.e; for (var prop in obj) { alert(prop); //a\u3001b\u3001c\u3001d\u306e\u9806\u756a\u306b\u8868\u793a } var\u6587 var\u6587\u3067\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u3068\u3001\u5ba3\u8a00\u3059\u308b\u5834\u6240\u304c\u95a2\u6570\u5185\u3067\u3042\u308c\u3070\u3001\u305d\u306e\u95a2\u6570\u306eCall\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u3066\u751f\u6210\u3059\u308b\u3002\u95a2\u6570\u5916\u3067\u3042\u308c\u3070\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u3066\u751f\u6210\u3059\u308b\u3002 \u2026"}