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Merge pull request #840 from bigbird231/patch-2

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update object.md
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Ruan YiFeng 2019-04-10 11:56:41 +08:00 committed by GitHub
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@ -473,8 +473,8 @@ z // { a: 3, b: 4 }
由于解构赋值要求等号右边是一个对象，所以如果等号右边是`undefined`或`null`，就会报错，因为它们无法转为对象。
```javascript
let { x, y, ...z } = null; // 运行时错误
let { x, y, ...z } = undefined; // 运行时错误
let { ...z } = null; // 运行时错误
let { ...z } = undefined; // 运行时错误
```
解构赋值必须是最后一个参数，否则会报错。