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PLUS

# parseInt()

Let's assume we have 10 <div> tags on a page. Each is 190 pixels wide. Using the two variables in this script, create a new variable named totalWidth that multiples the width by the numOfDivs variable. You'll need to use a JavaScript function to retrieve the number value from the string in the width variable

app.js
```var width = '190px';
var numOfDivs = 10;
parseInt(width);
var totalWidth = width * 10:
```
index.html
```<!DOCTYPE HTML>
<html>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JavaScript Basics</title>
<body>
<script src="app.js"></script>
</body>
</html>
```

PLUS

Dear Agbuke,

This works for me:

```var width = '190px';
var numOfDivs = 10;
var width = parseInt(width); //You have to store the result from the parseInt function somewhere.
var totalWidth = width * numOfDivs; //You used colon instead of semicolon here.
```

Let me know if something is unclear.

Cheers!

I don't get it this should work var width = '190px'; var numOfDivs = 10; var totalWidth = parseInt(width); var totalWidth = width * numOfDivs;

No because you are still refering to width in your formula and width is a string, not a number. In your code, you parseInt() and store the variable in totalWidth. You have to store it in width.

PLUS

A recommendation on this one is to use the console in Chrome. If you are on Windows you can see it by hitting F12 and on Mac it is CMD + OPT + J.

When I ran your program I got "Uncaught SyntaxError: Unexpected token : on app.js:4"

It means something is wrong with the ":" symbol on line 4 in the app.js file. It gives a pretty good hint about what is wrong. Hope that helps you in the future.