The method toUpperCase in JavaScript is utilized to transform a string into uppercase. It does not modify the original string in any way.
Syntax
The syntax for invoking the toUpperCase method is as follows:
Example
string.toUpperCase()
Return
String in uppercase letter.
JavaScript String toUpperCase Method Example
Let's explore a few basic illustrations showcasing the implementation of the toUpperCase function.
Example 1
In this section, we will demonstrate how to display a string in uppercase characters.
Example
<script>
var str = "Example";
document.writeln(str.toUpperCase());
</script>
Output:
Output
Example
Example 2
Here is another illustration demonstrating how to display a string in capital letters.
Example
<script>
var str = "C# Tutorial TUTORIALS";
document.writeln(str.toUpperCase());
</script>
Output:
Output
C# Tutorial TUTORIALS
