{"author_name":"teramako","width":"100%","url":"https://teramako.hatenadiary.org/entry/20121121/p2","blog_title":"hogehoge @teramako","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fteramako.hatenadiary.org%2Fentry%2F20121121%2Fp2\" title=\"Firefox 17 \u304b\u3089 Map \u3068 Set \u304c\u30a4\u30c6\u30e9\u30d6\u30eb\u306b\u306a\u3063\u305f\u4ef6\u306b\u3064\u3044\u3066 - hogehoge @teramako\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"Firefox 17 \u304b\u3089 Map \u3068 Set \u304c\u30a4\u30c6\u30e9\u30d6\u30eb\u306b\u306a\u3063\u305f\u4ef6\u306b\u3064\u3044\u3066","type":"rich","height":"190","description":"Firefox 17.0 \u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8 \u3055\u3066\u3001Firefox 17 \u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u3002\u305d\u306e\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8\u306b\u3001\u4ee5\u4e0b\u306e\u69d8\u306a\u306e\u304c\u3042\u308a\u307e\u3059\u3002 JavaScript \u306e Maps \u3068 Sets \u304c\u30a4\u30c6\u30e9\u30d6\u30eb (\u53cd\u5fa9\u53ef\u80fd\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8) \u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306a\u308a\u307e\u3057\u305f\u3002 \u3053\u308c\u306f\u3069\u3046\u3044\u3046\u3053\u3068\u306a\u306e\u304b\u3092\u5c11\u3057\u89e3\u8aac\u3002\u3068\u3044\u3063\u3066\u3082\u3001\u5185\u90e8\u306eECMAScript\u4ed5\u69d8\u306b\u8a73\u3057\u3044\u308f\u3051\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u305d\u306e\u8fba\u308a\u306f\u3001Constellation\u3055\u3093\u306b\u8b72\u308a\u305f\u3044\u3068\u601d\u3044\u307e\u3059\uff08\u3049 \u3042\u304f\u307e\u3067Mozilla\u5b9f\u88c5\u3067\u306e\u4f7f\u3044\u65b9\u3068\u3044\u3046\u3053\u3068\u3067\u3002 var map = new Map([ [\"a\", \"A\"], [\"b\", \"B\"] ]); map.set(\u2026","author_url":"https://blog.hatena.ne.jp/teramako/","categories":["JavaScript","Firefox"],"published":"2012-11-21 00:00:01","image_url":null,"provider_name":"Hatena Blog","version":"1.0","provider_url":"https://hatena.blog","blog_url":"https://teramako.hatenadiary.org/"}