Uppercase first letter of variable

Question

I have searched over the web can can\'t find anything to help me. I want to make the first letter of each word upper case within a variable.

So far i have tried:

Answer 1

The string to lower before Capitalizing the first letter.

(Both use Jquery syntax)

function CapitaliseFirstLetter(elementId) {
    var txt = $("#" + elementId).val().toLowerCase();
    $("#" + elementId).val(txt.replace(/^(.)|\s(.)/g, function($1) {
    return $1.toUpperCase(); }));
    }

In addition a function to Capitalise the WHOLE string:

function CapitaliseAllText(elementId) {
     var txt = $("#" + elementId).val();
     $("#" + elementId).val(txt.toUpperCase());
     }

Syntax to use on a textbox's click event:

onClick="CapitaliseFirstLetter('TextId'); return false"