72 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| ---
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| id: 587d78ab367417b2b2512af2
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| title: Use the flex-direction Property to Make a Row
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| challengeType: 0
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| videoUrl: ''
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| localeTitle: 使用flex-direction属性创建一行
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| ---
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| 
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| ## Description
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| <section id="description">添加<code>display: flex</code> to a element将其转换为flex容器。这使得可以将该元素的任何子节点对齐成行或列。您可以通过将<code>flex-direction</code>属性添加到父项并将其设置为行或列来完成此操作。创建行将水平对齐子项,创建列将垂直对齐子项。 <code>flex-direction</code>其他选项是row-reverse和column-reverse。 <strong>注意</strong> <br> <code>flex-direction</code>属性的默认值为row。 </section>
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| 
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| ## Instructions
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| <section id="instructions">将CSS属性<code>flex-direction</code>添加到<code>#box-container</code>元素,并为其赋值row-reverse。 </section>
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| 
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| ## Tests
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| <section id='tests'>
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| 
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| ```yml
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| tests:
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|   - text: '<code>#box-container</code>元素的<code>flex-direction</code>属性应设置为row-reverse。'
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|     testString: 'assert($("#box-container").css("flex-direction") == "row-reverse", "The <code>#box-container</code> element should have a <code>flex-direction</code> property set to row-reverse.");'
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| 
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| ```
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| 
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| </section>
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| 
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| ## Challenge Seed
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| <section id='challengeSeed'>
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| 
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| <div id='html-seed'>
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| 
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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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|   }
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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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| 
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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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| 
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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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| ```
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| 
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| </div>
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| 
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| 
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| 
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| </section>
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| 
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| ## Solution
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| <section id='solution'>
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| 
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| ```js
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| // solution required
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| ```
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| </section>
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