{"description":"\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u591a\u3059\u304e\u308b \u30a2\u30ed\u30fc\u95a2\u6570\u306f\u62ec\u5f27\u3001return\u3001\u4ee3\u5165\u304c\u305d\u308c\u305e\u308c\u3042\u3063\u305f\u308a\u306a\u304b\u3063\u305f\u308a\u3068\u3001\u898b\u308b\u305f\u3073\u306b\u66f8\u5f0f\u304c\u7570\u306a\u308a\u307e\u3059\u3002 \u3053\u306e\u66f8\u5f0f\u304c\u6bce\u56de\u9055\u3046\uff08\u3088\u3046\u306b\u898b\u3048\u308b\uff09\u3053\u3068\u304c\u308f\u304b\u308a\u3065\u3089\u3044\u7406\u7531\u306e\u6c17\u304c\u3057\u305f\u306e\u3067\u3001\u30a2\u30ed\u30fc\u95a2\u6570\u3092\u69cb\u6210\u3059\u308b\u8981\u7d20\u3092\u6574\u7406\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 //\u4ee5\u4e0b\u5168\u90e8\u30a2\u30ed\u30fc\u95a2\u6570 const add = (a ,b) => a + b + 100; // \u3053\u308c\u3082\u30a2\u30ed\u30fc\u95a2\u6570 a => a + 100; // \u3053\u306e\u30a4\u30ab\u307f\u305f\u3044\u306a=()=>\u306f\u4f55\uff1f\u304f\u30b3:\u5f61 const add = () =>{ let a = 100 + 2; console.log(a); }; // { }\u304c\u5897\u3048\u3066return\u3082\u5897\u3048\u305f\uff1f c\u2026","categories":["JavaScript"],"blog_url":"https://rira100000000.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/rira100000000/","type":"rich","version":"1.0","provider_name":"Hatena Blog","width":"100%","title":"\u3010JavaScript\u3011\u30a2\u30ed\u30fc\u95a2\u6570\u308f\u304b\u308a\u3065\u3089\u304f\u306a\u3044\uff1f","provider_url":"https://hatena.blog","image_url":null,"height":"190","author_name":"rira100000000","published":"2023-04-09 12:53:20","blog_title":"rira100000000\u306e\u30d6\u30ed\u30b0","url":"https://rira100000000.hatenablog.com/entry/2023/04/09/125320","html":""}