Client Delegates

Function.createDelegate(),

Steps create client delegate:

1) create client delegate by using Function.createDelegate(this, functionName)

2) add the new delegate into $addHandler(this, newDelegate)

3) access the window object, write the function

example:
function pageLoad() {
var clickDelegate = Function.createDelegate(this,onButtonClick);
$addHandler($get('btnTest'),'click',clickDelegate);
}
function onButtonClick()
{
alert(String.format("this code is funning on {0} {1}", Sys.Browser.name, Sys.Browser.version));
}