Welcome to the Treehouse Community
The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Shaun Wetzel
9,085 PointsChallenge task 2
Complete the assignment to the userName variable by adding a # symbol followed by an all uppercase version of the lastName variable. In other words, using string concatenation so that the final value of userName is "23188XTR#SMITH".
i have the var down right but im not sure how to place the '#'. it keeps telling me to place it in-between the id.toUpperCase and lastName.toUpperCase.
var id = "23188xtr";
var lastName = "Smith";
var userName = id.toUpperCase('#') + 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

Ryan Field
Courses Plus Student 21,241 PointsYou need to concatenate the two variables with a hash in the middle. Also, the parentheses should be empty, as you are simply calling the toUppercase()
method on the variables.
Your code should look something like this:
var userName = id.toUpperCase() + '#' + lastName.toUpperCase();

Salman Akram
Courses Plus Student 40,065 PointsHi Shaun,
Almost, you need to create other concantenation for # symbol outside UpperCase(), something like this below:
var id = "23188xtr";
var lastName = "Smith";
var userName = id.toUpperCase() + "#" + lastName.toUpperCase();

Shaun Wetzel
9,085 PointsThe one thing i didn't try! Thank you very much.
Shaun Wetzel
9,085 PointsShaun Wetzel
9,085 PointsThe one thing i didn't try! Thank you very much.