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

Mostafa Kateb Nejad
Mostafa Kateb Nejad
927 Points
Posted by Mostafa Kateb Nejad
Mostafa Kateb Nejad
927 Points

assigning touppercase to a variable and concatenating it with another variable

Q: assign an all upper case id to username variable.

var id = "23188xtr"; var lastname = "smith";

var username

i have tried;

username += id.touppercase();

it doesnt work , please help

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

var userName
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

Michal Weizman
Michal Weizman
14,050 Points
Michal Weizman
Michal Weizman
14,050 Points

Hi Mostafa, I think the '+' is used for concatenation, for example to add two strings together - so it is not needed here. The request here is to assign the new value to the variable, like so:

userName = id.toUpperCase();

Also - you should pay attention for the uppercase letters in the function name. The correct name is: "toUpperCase()".

I hope this helped