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

Mohd Monish
Mohd Monish
283 Points

change the uppercase letter

I want to change the upper case of that string

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

var userName = ('id'.toUpperCase());
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

Ari Misha
Ari Misha
19,323 Points

Hiya Mohd! You dont have to put quotes around "id" coz its a variable not a string. Putting quotes around id , changes the "string" id to Upper Case , not the "id" variable.

var id = "23188xtr";
var lastName = "Smith";

var userName = id.toUpperCase();