class ExtObject extends Object {constructor(...args) {super(...args);}}const obj = new Object({foo:'bar'});console.log(obj); // { foo: 'bar' }const ext = new ExtObject({foo:'bar'});console.log(ext); // ExtObject {}console.log(ext.foo); // undefinedstackoverflow上面的答案有一条好像是对的,但是英文没看明白。。。还请懂的人说的通俗易懂一点,ExObject
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