61 lines
1.1 KiB
Markdown
61 lines
1.1 KiB
Markdown
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---
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id: 56533eb9ac21ba0edf2244a9
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title: Initializing Variables with the Assignment Operator
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challengeType: 1
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videoUrl: ''
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localeTitle: 使用赋值运算符初始化变量
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---
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## Description
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<section id="description">通常将变量<dfn>初始化</dfn>为与声明的同一行中的初始值。 <code>var myVar = 0;</code>创建一个名为<code>myVar</code>的新变量，并为其指定初始值<code>0</code> 。 </section>
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## Instructions
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<section id="instructions">使用<code>var</code>定义变量<code>a</code>并将其初始化为值<code>9</code> 。 </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: 将<code>a</code>初始化为值<code>9</code>
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testString: 'assert(/var\s+a\s*=\s*9\s*/.test(code), "Initialize <code>a</code> to a value of <code>9</code>");'
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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='js-seed'>
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```js
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// Example
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var ourVar = 19;
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// Only change code below this line
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```
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</div>
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### After Test
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<div id='js-teardown'>
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```js
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console.info('after the test');
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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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```js
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// solution required
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```
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</section>
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