Javascript Reference - JavaScript String toUpperCase() Method
toUpperCase() converts string to upper case.
The toUpperCase() method does not change the original string.
Browser Support
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toUpperCase() |
Yes | Yes | Yes | Yes | Yes |
Syntax
stringObject.toUpperCase();
Parameters
None.
Return Value
A string converted to uppercase.
Example
var stringValue = "hello world";
console.log(stringValue.toUpperCase());
The code above generates the following result.
