62 lines
1.9 KiB
Markdown
62 lines
1.9 KiB
Markdown
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---
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id: a202eed8fc186c8434cb6d61
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title: Reverse a String
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isRequired: true
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challengeType: 5
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videoUrl: ''
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localeTitle: 反转字符串
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---
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## Description
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<section id="description">反转提供的字符串。您可能需要先将字符串转换为数组，然后才能将其反转。您的结果必须是字符串。如果卡住，请记得使用<a href="http://forum.freecodecamp.org/t/how-to-get-help-when-you-are-stuck/19514" target="_blank">Read-Search-Ask</a> 。编写自己的代码。 </section>
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## Instructions
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<section id="instructions">
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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>reverseString("hello")</code>应该返回一个字符串。
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testString: 'assert(typeof reverseString("hello") === "string", "<code>reverseString("hello")</code> should return a string.");'
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- text: <code>reverseString("hello")</code>应该变成<code>"olleh"</code> 。
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testString: 'assert(reverseString("hello") === "olleh", "<code>reverseString("hello")</code> should become <code>"olleh"</code>.");'
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- text: <code>reverseString("Howdy")</code>应该变成<code>"ydwoH"</code> 。
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testString: 'assert(reverseString("Howdy") === "ydwoH", "<code>reverseString("Howdy")</code> should become <code>"ydwoH"</code>.");'
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- text: <code>reverseString("Greetings from Earth")</code>应返回<code>"htraE morf sgniteerG"</code> 。
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testString: 'assert(reverseString("Greetings from Earth") === "htraE morf sgniteerG", "<code>reverseString("Greetings from Earth")</code> should return <code>"htraE morf sgniteerG"</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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function reverseString(str) {
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return str;
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}
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reverseString("hello");
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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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