---
title: Compare Scopes of the var and let Keywords
---
 Remember to use **`Read-Search-Ask`** if you get stuck. Try to pair program  and write your own code 
### Problem Explanation:
We need to change `var` to `let` in our function scope and add `let` to our block scope.
##  Hint: 1
* Find `var` and replace with `let`.
> _try to solve the problem now_
* Add `let` to the variable `i` inside of your if statement.
> _try to solve the problem now_
## Spoiler Alert!
**Solution ahead!**
##  Basic Code Solution:
```javascript
function checkScope() {
"use strict";
let i = "function scope";
if (true) {
let i = "block scope";
console.log("Block scope i is: ", i);
}
console.log("Function scope i is: ", i);
return i;
}
```
 Run Code
# Code Explanation:
By using `let` you can declare variables in relation to their scope.
#### Relevant Links
* let
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