Object.create() - JavaScript | MDN標準組み込みオブジェクトObjectコンストラクターObject() コンストラクター静的メソッドObject.assign()Object.create()Object.defineProperties()Object.defineProperty()Object.entries()Object.freeze()Object.fromEntries()Object.getOwnPropertyDescriptor()Object.getOwnPropertyDescriptors()Object.getOwnPropertyNames()Object.getOwnPropertySymbols()Object.getPrototypeOf()Object.groupBy()Object.hasOwn()Object.is()Object.isExtensible()Object.isFr
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