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---
id: cf1111c1c11feddfaeb1bdef
title: Iterate with JavaScript While Loops
challengeType: 1
videoUrl: ''
localeTitle: 在循环时使用JavaScript进行迭代
---
## Description
<section id="description">您可以使用循环多次运行相同的代码。我们将学习的第一种类型的循环称为“ <code>while</code> ”循环因为它在“while”运行时指定的条件为true并且一旦该条件不再为真就停止。 <blockquote> var ourArray = []; <br> var i = 0; <br>i &lt;5{ <br> ourArray.push; <br>我++; <br> } </blockquote>让我们尝试通过将值推送到数组来实现while循环。 </section>
## Instructions
<section id="instructions">使用<code>while</code>循环将数字0到4推送到<code>myArray</code></section>
## Tests
<section id='tests'>
```yml
tests:
- text: 你应该使用<code>while</code>循环。
testString: 'assert(code.match(/while/g), "You should be using a <code>while</code> loop for this.");'
- text: '<code>myArray</code>应该等于<code>[0,1,2,3,4]</code> 。'
testString: 'assert.deepEqual(myArray, [0,1,2,3,4], "<code>myArray</code> should equal <code>[0,1,2,3,4]</code>.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
// Setup
var myArray = [];
// Only change code below this line.
```
</div>
### After Test
<div id='js-teardown'>
```js
console.info('after the test');
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>