freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-spread-and-notes-for-es...

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---
id: 587d8255367417b2b2512c73
title: 使用Spread和Notes进行ES5 Set集成
challengeType: 1
videoUrl: ''
---
# --description--
你还记得ES6传播运营商`...` `...`可以在ES6中获取可迭代对象并将它们转换为数组。让我们创建一个Set并检查传播函数。
> var set = new Set\[1,2,3];
> var setToArr = \[... set]
> console.logsetToArr//返回\[1,2,3]
# --instructions--
在本练习中我们将set对象传递给`checkSet`函数。它应该返回一个包含Set值的数组。现在你已经成功学会了如何使用ES6 `Set()`对象,干得好!
# --hints--
您的套装已正确退回!
```js
assert(
(function () {
var test = checkSet(new Set([1, 2, 3, 4, 5, 6, 7]));
return DeepEqual(test, [1, 2, 3, 4, 5, 6, 7]);
})()
);
```
# --solutions--