toUpperCase ExamplesΒΆ

The general syntax for this method is:

stringName.toUpperCase();

This method returns a copy of stringName with all lowercase letters replaced by their uppercase counterparts. It leaves non-alphabetic characters unchanged.

Example

1console.log("LaunchCode".toUpperCase());
2console.log("launchcode".toUpperCase());
3console.log("LaunchCode's LC101".toUpperCase());

Output

LAUNCHCODE
LAUNCHCODE
LAUNCHCODE'S LC101