freeCodeCamp/curriculum/challenges/arabic/02-javascript-algorithms-an.../basic-javascript/increment-a-number-with-jav...

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---
id: 56533eb9ac21ba0edf2244ac
title: Increment a Number with JavaScript
challengeType: 1
videoUrl: ''
localeTitle: ''
---
## Description
undefined
## Instructions
undefined
## Tests
<section id='tests'>
```yml
tests:
- text: ''
testString: 'assert(myVar === 88, "<code>myVar</code> should equal <code>88</code>");'
- text: ''
testString: 'assert(/var\s*myVar\s*=\s*87;\s*\/*.*\s*([+]{2}\s*myVar|myVar\s*[+]{2});/.test(code), "<code>myVar = myVar + 1;</code> should be changed");'
- text: ''
testString: 'assert(/[+]{2}\s*myVar|myVar\s*[+]{2}/.test(code), "Use the <code>++</code> operator");'
- text: ''
testString: 'assert(/var myVar = 87;/.test(code), "Do not change code above the line");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
var myVar = 87;
// Only change code below this line
myVar = myVar + 1;
```
</div>
### After Test
<div id='js-teardown'>
```js
console.info('after the test');
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>