2018-10-10 18:03:03 -04:00
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---
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id: a202eed8fc186c8434cb6d61
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2020-12-16 00:37:30 -07:00
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title: 反转字符串
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2018-10-10 18:03:03 -04:00
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challengeType: 5
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videoUrl: ''
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---
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2020-12-16 00:37:30 -07:00
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# --description--
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2018-10-10 18:03:03 -04:00
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2020-12-16 00:37:30 -07:00
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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[Read-Search-Ask](https://forum.freecodecamp.org/t/how-to-get-help-when-you-are-stuck-coding/19514) 。编写自己的代码。
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2018-10-10 18:03:03 -04:00
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2020-12-16 00:37:30 -07:00
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# --hints--
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2018-10-10 18:03:03 -04:00
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2020-12-16 00:37:30 -07:00
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`reverseString("hello")`应该返回一个字符串。
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2018-10-10 18:03:03 -04:00
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2020-12-16 00:37:30 -07:00
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```js
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assert(typeof reverseString('hello') === 'string');
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2018-10-10 18:03:03 -04:00
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```
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2020-12-16 00:37:30 -07:00
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`reverseString("hello")`应该变成`"olleh"` 。
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2018-10-10 18:03:03 -04:00
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```js
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2020-12-16 00:37:30 -07:00
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assert(reverseString('hello') === 'olleh');
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2018-10-10 18:03:03 -04:00
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```
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2020-12-16 00:37:30 -07:00
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`reverseString("Howdy")`应该变成`"ydwoH"` 。
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2018-10-10 18:03:03 -04:00
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2020-12-16 00:37:30 -07:00
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```js
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assert(reverseString('Howdy') === 'ydwoH');
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```
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2018-10-10 18:03:03 -04:00
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2020-12-16 00:37:30 -07:00
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`reverseString("Greetings from Earth")`应返回`"htraE morf sgniteerG"` 。
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2018-10-10 18:03:03 -04:00
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```js
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2020-12-16 00:37:30 -07:00
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assert(reverseString('Greetings from Earth') === 'htraE morf sgniteerG');
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2018-10-10 18:03:03 -04:00
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```
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2020-08-13 17:24:35 +02:00
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2020-12-16 00:37:30 -07:00
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# --solutions--
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