{"author_url":"https://blog.hatena.ne.jp/kikiki-kiki/","provider_url":"https://hatena.blog","description":"JavaScript \u306e\u914d\u5217\u306f\u53c2\u7167\u306a\u306e\u3067\u3001\u7834\u58ca\u7684\u306a\u5909\u66f4\u3092\u52a0\u3048\u3066\u3057\u307e\u3046\u3068\u526f\u4f5c\u7528\u3092\u767a\u751f\u3055\u305b\u308b\u306e\u3067\u53d6\u308a\u6271\u3044\u306b\u306f\u6ce8\u610f (\u5371\u6a5f\u7ba1\u7406) \u304c\u5fc5\u8981\u3067\u3059\u3002 \u526f\u4f5c\u7528\u3092\u767a\u751f\u3055\u305b\u306a\u3044\u305f\u3081\u306b\u914d\u5217\u64cd\u4f5c\u3092\u884c\u3046\u6642\u306f\u30b3\u30d4\u30fc\u3092\u884c\u3046\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u304c\u3001\u914d\u5217\u304c\u5165\u308c\u5b50\u3060\u3063\u305f\u308a\u3001\u914d\u5217\u306e\u4e2d\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5165\u308c\u305f\u308a\u3068\u3044\u3046\u3053\u3068\u3082\u591a\u3044\u3068\u601d\u3046\u306e\u3067\u3001\u6539\u3081\u3066\u6d45\u3044\u30b3\u30d4\u30fc (shallow copy) \u3068\u6df1\u3044\u30b3\u30d4\u30fc (deep copy) \u306b\u3064\u3044\u3066\u8a66\u3057\u305f\u306e\u3067\u30e1\u30e2 \u914d\u5217\u306f\u53c2\u7167 \u5225\u306e\u5909\u6570\u306b\u4ee3\u5165\u3057\u3066\u3082\u30b3\u30d4\u30fc\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u3044 (\u540c\u3058\u30c7\u30fc\u30bf\u3092\u53c2\u7167\u3057\u3066\u3044\u308b\u3060\u3051) const array = [ {name: 'Shamiko'}, {name: 'Chiyoda M\u2026","categories":["JavaScript","Functional Programming"],"author_name":"kikiki-kiki","published":"2019-11-30 09:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fchaika.hatenablog.com%2Fentry%2F2019%2F11%2F30%2F090000\" title=\"JavaScript \u914d\u5217\u306e\u30b3\u30d4\u30fc - \u304b\u3082\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u304b\u3082\u30e1\u30e2","url":"https://chaika.hatenablog.com/entry/2019/11/30/090000","version":"1.0","width":"100%","provider_name":"Hatena Blog","image_url":"https://images-fe.ssl-images-amazon.com/images/I/61MVLCkDwjL._SL160_.jpg","blog_url":"https://chaika.hatenablog.com/","height":"190","type":"rich","title":"JavaScript \u914d\u5217\u306e\u30b3\u30d4\u30fc"}