{"id":2219,"date":"2021-11-21T16:25:22","date_gmt":"2021-11-21T07:25:22","guid":{"rendered":"https:\/\/dennie.tokyo\/it\/?p=2219"},"modified":"2025-12-07T19:13:34","modified_gmt":"2025-12-07T10:13:34","slug":"%e3%80%90javascript%e3%80%91%e6%ae%8b%e4%bd%99%e5%bc%95%e6%95%b0","status":"publish","type":"post","link":"https:\/\/dennie.tokyo\/it\/?p=2219","title":{"rendered":"\u3010JavaScript\u3011\u6b8b\u4f59\u5f15\u6570(\u30ec\u30b9\u30c8\u69cb\u6587)"},"content":{"rendered":"\n<p>\u6b8b\u4f59\u5f15\u6570(\u30ec\u30b9\u30c8\u69cb\u6587)\u306f\u3001\u4e0d\u7279\u5b9a\u6570\u306e\u5f15\u6570\u3092\u914d\u5217\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<h1 class=\"wp-block-heading\">\u7c21\u5358\u306a\u4f8b<\/h1>\n\n\n\n<p>\u7c21\u5358\u306a\u4f8b\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h2>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>const fn = (...vals)=&gt;{\n    console.log(vals);\n    vals.forEach((val) =&gt; 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