{"provider_url":"https://hatena.blog","blog_title":"\u306a\u306b\u304b\u3042\u308b\u3088","published":"2021-10-21 18:07:07","blog_url":"https://raku63.hatenadiary.org/","description":"Object \u306e\u30de\u30fc\u30b8 const ab = { a: 1, b: 2 } const cd = { c: 3, d: 4 } Object.assign(ab, cd) // {a:1,b:2,c:3,d:4} ab // {a:1,b:2,c:3,d:4} \u7b2c\u4e00\u5f15\u6570\u306b\u3042\u305f\u3048\u305f\u5909\u6570\u306b\u3001\u5f8c\u7d9a\u306e\u5f15\u6570\u306e\u5185\u5bb9\u304c\u30de\u30fc\u30b8\u3055\u308c\u308b\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306a\u51e6\u7406 \u5909\u66f4\u3092\u907f\u3051\u308b\u306b\u306f\u7a7a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4e0e\u3048\u3066\u3084\u308b\u3068\u3044\u3044 Object.assign({},ab,cd) \ud83d\udcac \u30b9\u30d7\u30ec\u30c3\u30c9\u69cb\u6587 {...ab,...cd} \u306e\u307b\u3046\u304c\u76f4\u611f\u7684\u306a\u306e\u3067\u666e\u6bb5\u3053\u306e\u7528\u9014\u3067\u306f\u3042\u307e\u308a\u4f7f\u308f\u306a\u3044\u3051\u3069\u3001\u30de\u30fc\u30b8\u3057\u305f\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u305f\u304f\u3055\u3093\u5165\u3063\u305f\u914d\u5217\u306a\u3069\u3042\u308b\u5834\u5408\u306f\u2026","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/raku63/","version":"1.0","author_name":"raku63","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fraku63.hatenadiary.org%2Fentry%2F2021%2F10%2F21%2F180707\" title=\"Object.assign \u6d3b\u7528 - \u306a\u306b\u304b\u3042\u308b\u3088\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","url":"https://raku63.hatenadiary.org/entry/2021/10/21/180707","height":"190","width":"100%","title":"Object.assign \u6d3b\u7528","categories":["javascript"],"image_url":null}