60 lines
1.2 KiB
Markdown
60 lines
1.2 KiB
Markdown
---
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id: cf1111c1c11feddfaeb3bdef
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title: Add Two Numbers with JavaScript
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challengeType: 1
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videoUrl: ''
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localeTitle: 使用JavaScript添加两个数字
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---
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## Description
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<section id="description"> <code>Number</code>是JavaScript中的数据类型，表示数字数据。现在让我们尝试使用JavaScript添加两个数字。当放置在两个数字之间时，JavaScript使用<code>+</code>符号作为加法运算。 <strong>例</strong> <blockquote> myVar = 5 + 10; //分配15 </blockquote></section>
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## Instructions
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<section id="instructions">更改<code>0</code>使总和等于<code>20</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: <code>sum</code>应该等于<code>20</code>
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testString: 'assert(sum === 20, "<code>sum</code> should equal <code>20</code>");'
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- text: 使用<code>+</code>运算符
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testString: 'assert(/\+/.test(code), "Use the <code>+</code> operator");'
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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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var sum = 10 + 0;
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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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