{"categories":["JavaScript"],"height":"190","blog_title":"babu_babu_baboo\u306e\u30b4\u30df\u7bb1","blog_url":"https://babu-babu-baboo.hateblo.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbabu-babu-baboo.hateblo.jp%2Fentry%2F20110428%2F1303957959\" title=\"\u5076\u7136\u306e\u7523\u7269\uff1f\u7d44\u307f\u5408\u308f\u305b\u3092\u8fd4\u3059\u30b3\u30fc\u30c9 - babu_babu_baboo\u306e\u30b4\u30df\u7bb1\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"title":"\u5076\u7136\u306e\u7523\u7269\uff1f\u7d44\u307f\u5408\u308f\u305b\u3092\u8fd4\u3059\u30b3\u30fc\u30c9","published":"2011-04-28 11:32:39","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/babu_babu_baboo/","provider_url":"https://hatena.blog","type":"rich","author_name":"babu_babu_baboo","width":"100%","description":"const repeatedCombination = (function (n) (function (r, c, i, a) r.concat ((1 == n) ? [c] : a.reduce (repeatedCombination (n-1), []) //\u2190arguments.callee \u3058\u3083\u306a\u3044\u306e\u304c\u30a4\u30de\u30a4\u30c1 .map ((function (q) this.concat (q)), [c])))) //\u2190\u3053\u308c\u3092\u5916\u5074\u3067\u5b9a\u7fa9 var enzan = ['+', '-', '*', '/']; alert(enzan.reduce (repeatedCombination (4),\u2026","version":"1.0","url":"https://babu-babu-baboo.hateblo.jp/entry/20110428/1303957959"}