freeCodeCamp/curriculum/challenges/arabic/02-javascript-algorithms-an.../es6/declare-a-read-only-variabl...

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---
id: 587d7b87367417b2b2512b41
title: Declare a Read-Only Variable with the const Keyword
challengeType: 1
videoUrl: ''
localeTitle: ''
---
## Description
undefined
## Instructions
undefined
## Tests
<section id='tests'>
```yml
tests:
- text: ''
testString: 'getUserInput => assert(!getUserInput("index").match(/var/g),"<code>var</code> does not exist in your code.");'
- text: ''
testString: 'getUserInput => assert(getUserInput("index").match(/(const SENTENCE)/g), "<code>SENTENCE</code> should be a constant variable declared with <code>const</code>.");'
- text: ''
testString: 'getUserInput => assert(getUserInput("index").match(/(let i)/g), "<code>i</code> should be declared with <code>let</code>.");'
- text: ''
testString: 'getUserInput => assert(getUserInput("index").match(/console\.log\(\s*SENTENCE\s*\)\s*;?/g), "<code>console.log</code> should be adjusted to print the variable <code>SENTENCE</code>.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function printManyTimes(str) {
"use strict";
// change code below this line
var sentence = str + " is cool!";
for(var i = 0; i < str.length; i+=2) {
console.log(sentence);
}
// change code above this line
}
printManyTimes("freeCodeCamp");
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>