freeCodeCamp/curriculum/challenges/chinese/01-responsive-web-design/css-flexbox/use-the-order-property-to-r...

79 lines
1.6 KiB
Markdown
Raw Normal View History

---
id: 587d78ae367417b2b2512aff
challengeType: 0
videoUrl: 'https://scrimba.com/p/pVaDAv/cMbvNAG'
forumTopicId: 301116
2020-10-01 15:54:21 +00:00
title: 使用 order 属性重新排列项目
---
## Description
<section id='description'>
<code>order</code>属性告诉 CSS flex 容器里项目的顺序。默认情况下,项目排列顺序与源 HTML 文件中顺序相同。这个属性接受数字作为参数,可以使用负数。
</section>
## Instructions
<section id='instructions'>
<code>#box-1</code><code>#box-2</code>添加 CSS 属性<code>order</code><code>#box-1</code><code>order</code>属性值设为 <code>2</code><code>#box-2</code><code>order</code>属性值设为 <code>1</code>
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>#box-1</code>元素应有<code>order</code>属性,其值应为 <code>2</code>
testString: assert($('#box-1').css('order') == '2');
- text: <code>#box-2</code>元素应有<code>order</code>属性,其值应为 <code>1</code>
testString: assert($('#box-2').css('order') == '1');
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='html-seed'>
```html
<style>
#box-container {
display: flex;
height: 500px;
}
#box-1 {
background-color: dodgerblue;
height: 200px;
width: 200px;
}
#box-2 {
background-color: orangered;
height: 200px;
width: 200px;
}
</style>
<div id="box-container">
<div id="box-1"></div>
<div id="box-2"></div>
</div>
```
</div>
</section>
## Solution
<section id='solution'>
```html
// solution required
```
</section>