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JavaScript JavaScript Basics (Retired) Storing and Tracking Information with Variables Using String Methods

Combining strings; .toUpperCase

I'm having trouble with the last line of code in .js

app.js
var id = "23188xtr";
var lastName = "Smith";

var userName = id.toUpperCase('#' += '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

jeffrey bachynski
jeffrey bachynski
5,179 Points

var userName = id.toUpperCase() is correct. The problem is you are trying to pass parameters into the the toUpperCase() method. toUpperCase() does not take parameters. Try using string concatenation to get the second part of the challenge.

Instead of telling you the whole answer, I will get you started. Just finish the code below the same way you did the id to upper case.

var userName = id.toUpperCase() + "#" +