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docs(set): edit set

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ruanyf 2017-11-21 13:38:59 +08:00
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docs/set-map.md
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@ -249,7 +249,7 @@ let unique = [...new Set(arr)];
// [3, 5, 2]
```
而且，数组的`map`和`filter`方法也可以用于 Set 了。
而且，数组的`map`和`filter`方法也可以间接用于 Set 了。
```javascript
let set = new Set([1, 2, 3]);