Kevin van Zonneveld on 2008-09-29 12:35:51
@ Onno Marsman: Function has been updated according to your proposal!
Onno Marsman on 2008-09-26 13:24:36
For when it's not a string e.g. strtoupper(6) :

function strtoupper( str ) {
    return (str+'').toUpperCase();
}