{"published":"2023-04-17 18:39:18","type":"rich","title":"\u5faa\u74b0\u53c2\u7167\u304c\u3042\u308b\u914d\u5217\u3067 flat \u3092\u547c\u3073\u51fa\u3059\u3068\u3069\u3093\u3069\u3093\u9577\u304f\u306a\u308b","height":"190","author_url":"https://blog.hatena.ne.jp/panda_noir/","image_url":null,"description":"\u4f55\u306b\u4f7f\u3048\u308b\u304b\u306f\u5168\u7136\u308f\u304b\u3089\u306a\u3044\u3067\u3059\u304c\u767a\u898b\u3057\u305f\u306e\u3067\u30e1\u30e2\u3002 \u307e\u305a\u5faa\u74b0\u53c2\u7167\u3092\u6301\u3063\u305f\u914d\u5217\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 const a = []; a[0] = a; a[1] = 0; \u3053\u308c\u306e flat \u3092\u547c\u3076\u3068\u9762\u767d\u3044\u3053\u3068\u304c\u8d77\u304d\u307e\u3059\u3002 console.log(a.flat()); // [ <ref *1> [ [Circular *1], 0 ], 0, 0 ] console.log(a.flat().flat()); // [ <ref *1> [ [Circular *1], 0 ], 0, 0, 0 ] console.log(a.flat().flat().flat()); // [ <ref *1> [\u2026","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.pandanoir.info%2Fentry%2F2023%2F04%2F17%2F183918\" title=\"\u5faa\u74b0\u53c2\u7167\u304c\u3042\u308b\u914d\u5217\u3067 flat \u3092\u547c\u3073\u51fa\u3059\u3068\u3069\u3093\u3069\u3093\u9577\u304f\u306a\u308b - Panda Noir\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","url":"https://www.pandanoir.info/entry/2023/04/17/183918","blog_url":"https://www.pandanoir.info/","author_name":"panda_noir","version":"1.0","width":"100%","blog_title":"Panda Noir","categories":["JavaScript"]}