freeCodeCamp/curriculum/challenges/arabic/02-javascript-algorithms-an.../basic-javascript/iterate-through-an-array-wi...

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---
id: 5675e877dbd60be8ad28edc6
title: Iterate Through an Array with a For Loop
challengeType: 1
videoUrl: ''
localeTitle: ''
---
## Description
undefined
## Instructions
undefined
## Tests
<section id='tests'>
```yml
tests:
- text: ''
testString: 'assert(code.match(/var.*?total\s*=\s*0.*?;/), "<code>total</code> should be declared and initialized to 0");'
- text: ''
testString: 'assert(total === 20, "<code>total</code> should equal 20");'
- text: ''
testString: 'assert(code.match(/for\s*\(/g).length > 1 && code.match(/myArr\s*\[/), "You should use a <code>for</code> loop to iterate through <code>myArr</code>");'
- text: ''
testString: 'assert(!code.match(/total[\s\+\-]*=\s*(\d(?!\s*[;,])|[1-9])/g), "Do not set <code>total</code> to 20 directly");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
// Example
var ourArr = [ 9, 10, 11, 12];
var ourTotal = 0;
for (var i = 0; i < ourArr.length; i++) {
ourTotal += ourArr[i];
}
// Setup
var myArr = [ 2, 3, 4, 5, 6];
// Only change code below this line
```
</div>
### After Test
<div id='js-teardown'>
```js
console.info('after the test');
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>