freeCodeCamp/curriculum/challenges/chinese/02-javascript-algorithms-an.../basic-algorithm-scripting/convert-celsius-to-fahrenhe...

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---
id: 56533eb9ac21ba0edf2244b3
challengeType: 1
videoUrl: ''
2020-10-01 15:54:21 +00:00
title: 将摄氏温度转换为华氏温度
---
## Description
<section id="description">从摄氏温度转换为华氏温度的算法是以摄氏度乘以<code>9/5</code>,再加上<code>32</code> 。您将获得一个参数<code>celsius</code>代表着摄氏温度。使用已准备好代表华氏温度的变量<code>fahrenheit</code>,将<code>celsius</code>摄氏温度变量值兑换成华氏温度值,然后存储在<code>farenheit</code>变量里。使用以上提到的算法将摄氏温度转换为华氏温度。不需要过多担心函数和返回语句,因为它们将会在未来的挑战中加以解释。目前,只需使用您已经学过的运算符。 </section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>convertToF(0)</code>应该返回一个数字
testString: assert(typeof convertToF(0) === 'number');
- text: <code>convertToF(-30)</code>应该返回值<code>-22</code>
testString: assert(convertToF(-30) === -22);
- text: <code>convertToF(-10)</code>应该返回值<code>14</code>
testString: assert(convertToF(-10) === 14);
- text: <code>convertToF(0)</code>应返回值<code>32</code>
testString: assert(convertToF(0) === 32);
- text: <code>convertToF(20)</code>应返回值<code>68</code>
testString: assert(convertToF(20) === 68);
- text: <code>convertToF(30)</code>应返回值<code>86</code>
testString: assert(convertToF(30) === 86);
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function convertToF(celsius) {
let fahrenheit;
return fahrenheit;
}
convertToF(30);
```
</div>
</section>
## Solution
<section id='solution'>
```js
function convertToF(celsius) {
let fahrenheit = celsius * 9/5 + 32;
return fahrenheit;
}
convertToF(30);
```
/section>