Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript JavaScript Basics (Retired) Working With Numbers Numbers and Strings

Robert Rydlewski
Robert Rydlewski
3,828 Points

The code show's correct answer. What's wrong with my code ?? Help ?

Hey, I wonder what's wrong with my code ?? The outcome is correct.

app.js
var width = '190px';
var numOfDivs = 10;

var width_num = parseInt(width);
var totalWidth = width_num * numOfDivs;
document.write(totalWidth);
index.html
<!DOCTYPE HTML>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>JavaScript Basics</title>
</head>
<body>
<script src="app.js"></script>
</body>
</html>

2 Answers

Hey Robert,

is a string '190px'. Use 190 instead and add 'px' to the document.write.

var width = '190'; var numOfDivs = 10;

var width_num = parseInt(width); var totalWidth = width_num * numOfDivs; document.write(totalWidth + 'px');

Robert Rydlewski
Robert Rydlewski
3,828 Points

Thanks, buddy :) I appreciate your help.