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 trialWenwei Lu
10,897 Pointswhy i am wrong
var id = "23188xtr"; var lastName = "Smith"; var userName = id.toUpperCase(); var userName += "#"+ lastName.toUpperCase();
var id = "23188xtr";
var lastName = "Smith";
var userName = id.toUpperCase();
var userName += "#"+ lastName.toUpperCase();
<!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
james south
Front End Web Development Techdegree Graduate 33,271 Pointsonce you declare userName with the var keyword, you don't need to use var again, just use the variable name.
Tommy Leng
Front End Web Development Techdegree Student 12,417 PointsThe variable keyword is being overwrite when you define it again