freeCodeCamp/curriculum/challenges/arabic/02-javascript-algorithms-an.../es6/compare-scopes-of-the-var-a...

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---
id: 587d7b87367417b2b2512b40
title: Compare Scopes of the var and let Keywords
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 code.");'
- text: ''
testString: 'getUserInput => assert(getUserInput("index").match(/(i\s*=\s*).*\s*.*\s*.*\1("|")block\s*scope\2/g), "The variable <code>i</code> declared in the if statement should equal "block scope".");'
- text: ''
testString: 'assert(checkScope() === "function scope", "<code>checkScope()</code> should return "function scope"");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function checkScope() {
"use strict";
var i = "function scope";
if (true) {
i = "block scope";
console.log("Block scope i is: ", i);
}
console.log("Function scope i is: ", i);
return i;
}
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>