72 lines
1.8 KiB
Markdown
72 lines
1.8 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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---
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## Description
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<section id='description'>
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Reverse the provided string.
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You may need to turn the string into an array before you can reverse it.
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Your result must be a string.
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Remember to use <a href="http://forum.freecodecamp.org/t/how-to-get-help-when-you-are-stuck/19514" target="_blank">Read-Search-Ask</a> if you get stuck. Write your own code.
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</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> should return a string.
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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> should become <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> should become <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> should return <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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function reverseString(str) {
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return str.split('').reverse().join('');
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}
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reverseString("hello");
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```
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</section>
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