66 lines
1.7 KiB
Markdown
66 lines
1.7 KiB
Markdown
---
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id: 56533eb9ac21ba0edf2244b9
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title: Constructing Strings with Variables
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challengeType: 1
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videoUrl: ''
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localeTitle: 用变量构造字符串
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---
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## Description
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<section id="description">有时您需要构建一个字符串， <a href="https://en.wikipedia.org/wiki/Mad_Libs" target="_blank">Mad Libs</a>样式。通过使用连接运算符（ <code>+</code> ），您可以将一个或多个变量插入到正在构建的字符串中。 </section>
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## Instructions
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<section id="instructions">将<code>myName</code>设置为等于您的名字的字符串，并在字符串<code>"My name is "</code>和<code>" and I am well!"</code>之间用<code>myName</code>构建<code>myStr</code> <code>" and I am well!"</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>myName</code>应设置为至少3个字符长的字符串
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testString: 'assert(typeof myName !== "undefined" && myName.length > 2, "<code>myName</code> should be set to a string at least 3 characters long");'
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- text: 使用两个<code>+</code>运算符在其中构建<code>myStr</code> with <code>myName</code>
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testString: 'assert(code.match(/[""]\s*\+\s*myName\s*\+\s*[""]/g).length > 0, "Use two <code>+</code> operators to build <code>myStr</code> with <code>myName</code> inside it");'
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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 ourName = "freeCodeCamp";
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var ourStr = "Hello, our name is " + ourName + ", how are you?";
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// Only change code below this line
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var myName;
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var myStr;
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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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