71 lines
1.2 KiB
Markdown
71 lines
1.2 KiB
Markdown
|
---
|
||
|
|
id: cf1111c1c11feddfaeb4bdef
|
||
|
|
title: Subtract One Number from Another with JavaScript
|
||
|
|
localeTitle: Resta un número de otro con JavaScript
|
||
|
|
challengeType: 1
|
||
|
|
---
|
||
|
|
|
||
|
|
## Description
|
||
|
|
<section id='description'>
|
||
|
|
También podemos restar un número de otro.
|
||
|
|
JavaScript usa el símbolo <code>-</code> para restar.
|
||
|
|
|
||
|
|
<strong>Ejemplo</strong>
|
||
|
|
<blockquote>myVar = 12 - 6; // assigned 6</blockquote>
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
## Instructions
|
||
|
|
<section id='instructions'>
|
||
|
|
Cambia el <code>0</code> por lo que la diferencia es <code>12</code> .
|
||
|
|
</section>
|
||
|
|
|
||
|
|
## Tests
|
||
|
|
<section id='tests'>
|
||
|
|
|
||
|
|
```yml
|
||
|
|
tests:
|
||
|
|
- text: Haz la <code>difference</code> variable igual a 12.
|
||
|
|
testString: 'assert(difference === 12, "Make the variable <code>difference</code> equal 12.");'
|
||
|
|
- text: Sólo restar un número de 45.
|
||
|
|
testString: 'assert(/var\s*difference\s*=\s*45\s*-\s*[0-9]*;(?!\s*[a-zA-Z0-9]+)/.test(code),"Only subtract one number from 45.");'
|
||
|
|
|
||
|
|
```
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
## Challenge Seed
|
||
|
|
<section id='challengeSeed'>
|
||
|
|
|
||
|
|
<div id='js-seed'>
|
||
|
|
|
||
|
|
```js
|
||
|
|
var difference = 45 - 0;
|
||
|
|
|
||
|
|
|
||
|
|
```
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
### After Test
|
||
|
|
<div id='js-teardown'>
|
||
|
|
|
||
|
|
```js
|
||
|
|
console.info('after the test');
|
||
|
|
```
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
## Solution
|
||
|
|
<section id='solution'>
|
||
|
|
|
||
|
|
|
||
|
|
```js
|
||
|
|
var difference = 45 - 33;
|
||
|
|
```
|
||
|
|
|
||
|
|
</section>
|