JavaScript toUpperCase

The JavaScript toUpperCase method is used to convert the given string into Uppercase letters, and the syntax of it is:

String_Object.toUpperCase()

JavaScript toUpperCase Example

The following set of examples will help you understand the JS toUpperCase Function.

<!DOCTYPE html>
<html>
<head>
    <title> Js Example </title>
</head>
<body>
    <h1> Example </h1>
<script>
 var Str1 = "Learn JavaScript at Tutorial Gateway";
 
 var Str3 = Str1.toUpperCase();
 var Str4 = "Hi, This is From JS".toUpperCase();
 var Str5 = "javascript uppercase".toUpperCase();
 
 document.write(" <b> Uppercase Letters are: </b> " + Str3);
 document.write(" <br \> <b> Uppercase Letters are: </b> " + Str4);
 document.write(" <br \> <b> Uppercase Letters are: </b> " + Str5);
</script>
</body>
</html>
JavaScript toUpperCase Example