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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
Posted by Luis Paulino
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
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