On 11/06/2008 06:05 PM, Paul Joseph wrote:
But if I have a JavaScript function say:
function myFunction() {
alert ("loaded");
}
and if I call this function on page load either by using
window.onload=myFunction;
OR by
<body onLoad="javascript:scrollToPosition();">
then the double-list box stops working.
This is most likely because CForms adds its own initialization function
using the same onload property, so adding yours overwrites it.
Nowadays it's best practice to avoid using on[event] properties, and use
instead the DOM2 event methods (forking for IE's nonstandard event
model.) Any of the common javascript libraries will handle this for you
behind the scenes, or you can write a simple abstraction function:
function addEvent( element, type, handler ) {
if( element.addEventListener ) {
element.addEventListener( type, handler, false );
} else {
element.attachEvent( 'on' + type, handler );
}
}
addEvent( window, 'load', myFunction );
addEvent( window, 'load', myOtherFunction );
//etc...
This allows you to add as many listeners as you want rather than being
limited to one.
--Jason
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