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---
id: 587d8254367417b2b2512c71
challengeType: 1
videoUrl: ''
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title: 从ES6中的集中删除项目
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---
## Description
< section id = "description" > 让我们使用< code > delete< / code > 方法练习从ES6集中< code > delete< / code > 。首先, 创建一个ES6 Set < code > var set = new Set([1,2,3]);< / code > 现在使用< code > delete< / code > 方法从Set中删除一个项目。 < blockquote > set.delete( 1) ; < br > console.log( [... set]) //应该返回[2,3] < blockquote > < / blockquote > < / blockquote > < / section >
## Instructions
< section id = "instructions" > 现在, 创建一个整数为1,2,3,4和5的集合。删除值2和5, 然后返回集合。 < / section >
## Tests
< section id = 'tests' >
```yml
tests:
- text: '您的集应包含值1,3和4'
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testString: assert((function(){var test = checkSet(); return test.has(1) & & test.has(3) & & test.has(4) & & test.size === 3;})());
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```
< / section >
## Challenge Seed
< section id = 'challengeSeed' >
< div id = 'js-seed' >
```js
function checkSet(){
var set = //Create a set with values 1, 2, 3, 4, & 5
//Remove the value 2
//Remove the value 5
//Return the set
return set;
}
```
< / div >
< / section >
## Solution
< section id = 'solution' >
```js
// solution required
```
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/section>