78 lines
1.6 KiB
Markdown
78 lines
1.6 KiB
Markdown
---
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id: 587d78ab367417b2b2512af2
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challengeType: 0
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videoUrl: 'https://scrimba.com/p/pVaDAv/cBEkbfJ'
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forumTopicId: 301110
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title: 使用 flex-direction 属性创建一行
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---
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## Description
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<section id='description'>
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给元素添加<code>display: flex</code>属性使其变成 flex 容器。只要给父元素添加<code>flex-direction</code>属性，并把属性值设置为 row 或 column，即可横排或竖排它的子元素。设为 row 可以让子元素水平排列，设为 column 可以让子元素垂直排列。
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<code>flex-direction</code>的其他可选值还有 row-reverse 和 column-reverse。
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<strong>注意</strong><br><code>flex-direction</code>的默认值为 row。
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</section>
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## Instructions
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<section id='instructions'>
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为<code>#box-container</code>添加 CSS 属性<code>flex-direction</code>，其值设为 row-reverse。
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: '<code>#box-container</code>应有<code>flex-direction</code>属性，其值应为 row-reverse。'
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testString: assert($('#box-container').css('flex-direction') == 'row-reverse');
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='html-seed'>
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```html
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<style>
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#box-container {
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display: flex;
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height: 500px;
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}
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#box-1 {
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background-color: dodgerblue;
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width: 50%;
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height: 50%;
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}
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#box-2 {
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background-color: orangered;
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width: 50%;
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height: 50%;
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}
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</style>
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<div id="box-container">
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<div id="box-1"></div>
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<div id="box-2"></div>
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</div>
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```html
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// solution required
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```
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</section>
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