{"version":"1.0","title":"JavaScript\u306e\u30af\u30ed\u30fc\u30b8\u30e3\u518d\u3073","author_url":"https://blog.hatena.ne.jp/throwordie/","provider_name":"Hatena Blog","published":"2007-09-14 20:56:58","description":"\u524d\u56de\u306e\u30bd\u30fc\u30b9\u306f\u82e5\u5e72\u9055\u548c\u611f\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u4fee\u6b63\u3002 function closure(a) { var f = null; if(a < 2) { f = function(x, y) { return x + y; }; } else { f = function(x, y) { return x * y; }; } return f; } var c1 = closure(1); var c2 = closure(2); alert(c1(2, 1)); alert(c1(4, 3)); alert(c2(2, 1)); alert(c2(4, 3));\u3064\u307e\u308a\u3001 .f \u304c\u7121\u304f\u306a\u3063\u305f\u3060\u3051\u3060\u304c\u3002 \u898b\u2026","image_url":null,"blog_title":"Throw or Die and ChouChou","url":"https://throwordie.hatenadiary.org/entry/20070914/1189771018","height":"190","author_name":"throwordie","provider_url":"https://hatena.blog","type":"rich","categories":["\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2"],"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fthrowordie.hatenadiary.org%2Fentry%2F20070914%2F1189771018\" title=\"JavaScript\u306e\u30af\u30ed\u30fc\u30b8\u30e3\u518d\u3073 - Throw or Die and ChouChou\" 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://throwordie.hatenadiary.org/"}