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WeakMap的弱引用键的描述容易有歧义。 #64

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WeakMap的弱引用键的描述容易有歧义。 #64

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2 changes: 1 addition & 1 deletion docs/es6/dataStructure.md
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Expand Up @@ -217,7 +217,7 @@ map.forEach((value, key) => { console.log(key, value)})

与`Map`的区别
- Map 的键可以是任意类型，WeakMap 的键只能是对象类型
- WeakMap 键名所指向的对象，不计入垃圾回收机制
- WeakMap 的键对象，不计入垃圾回收机制

`WeakMap` 的属性跟操作方法与 `Map` 一致，同 `WeakSet` 一样，因为是弱引用，所以 `WeakSet` 也没有遍历方法

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