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

Luis Paulino
PLUS
Luis Paulino
Courses Plus Student 1,779 Points

Help? I can't write the code?

I not really sure what I'm suppose to do?

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

var userName
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

Simon Coates
Simon Coates
28,692 Points
var id = "23188xtr";
var lastName = "Smith";

var userName = id.toUpperCase(); //this creates a new string with uppercase. id remains unchanged.

it's just a matter of knowing that id is a string, and this gives it certain methods. the method you want is documented here