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Code Issues Releases Wiki Activity

docs(object): edit object'clone

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ruanyf 2017-11-01 16:26:36 +08:00
parent 22b0f1d472
commit ce5de76c40
1 changed files with 7 additions and 1 deletions
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docs/object.md
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@ -1371,9 +1371,15 @@ const clone2 = Object.assign(
Object.create(Object.getPrototypeOf(obj)),
obj
);
// 写法三
const clone3 = Object.create(
Object.getPrototypeOf(obj),
Object.getOwnPropertyDescriptors(obj)
)
```
上面代码中，写法一的`__proto__`属性在非浏览器的环境不一定部署，因此推荐使用写法二。
上面代码中，写法一的`__proto__`属性在非浏览器的环境不一定部署，因此推荐使用写法二和写法三。
扩展运算符可以用于合并两个对象。