osyo-manga https://blog.hatena.ne.jp/osyo-manga/ Secret Garden(Instrumental) https://secret-garden.hatenablog.com/ JavaScript 昨日書いたオブジェクトのコピーですが、lodashというユーティリティライブラリを使うのが手っ取り早そう // npm install lodash -g const _ = require("lodash"); const obj = { // Object のプロパティ name: { sei: "yamada", mei: "tarou" }, age: 24 }; const other = _.cloneDeep(obj); other.age = 17; other.name.mei = "hanako"; console.log(obj.age); console.log(obj… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsecret-garden.hatenablog.com%2Fentry%2F2017%2F10%2F17%2F231744" title="lodash を使って JavaScript でオブジェクトのコピーを行う - Secret Garden(Instrumental)" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2017-10-17 23:17:44 rich https://secret-garden.hatenablog.com/entry/2017/10/17/231744 1.0 100%