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更正 'instanceOf' 拼写 #148

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Merged
ruanyf merged 1 commit into from
Sep 18, 2019
Merged

更正 'instanceOf' 拼写 #148

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2 changes: 1 addition & 1 deletion docs/oop/prototype.md
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Expand Up @@ -323,7 +323,7 @@ s instanceof String // false

上面代码中，字符串不是`String`对象的实例（因为字符串不是对象），所以返回`false`。

此外，对于`undefined`和`null`，`instanceOf`运算符总是返回`false`。
此外，对于`undefined`和`null`，`instanceof`运算符总是返回`false`。

```javascript
undefined instanceof Object // false
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