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) Storing and Tracking Information with Variables Using String Methods

Can not get this concantenation challenge HELP

So this is what I have but I can soooo not get this to work can someone help me? THANKS

app.js
var id = "23188xtr";

var lastName = "Smith";

var userName = (id.toUpperCase());


userName += "#" + lastName;
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>

1 Answer

Colin Marshall
Colin Marshall
32,861 Points

You also need to make the lastName variable uppercase when you concatenate it all together. This will work:

var userName = id.toUpperCase() + '#' + lastName.toUpperCase();

Thank you so much