I don't recall if this has been discussed before, but I found myself
in need of a cross browser way to fire a native event (In particular
"onchange") on a HTMLElement. After some sporadic research, I have put
together the following function:
/**
* Fires a native HTMLEvent on an HTMLElement
* element : HTMLElement The target element
* eventName : string The name of the event to raise. Should be
all lowercase and include the trailing 'on'.
*/
fireNativeEvent = function(element, eventName) {
if (element.fireEvent) {
// MSIE
element.fireEvent(eventName);
} else {
// W3C
var event = document.createEvent("HTMLEvents");
event.initEvent(eventName.replace(/^on/, ""), true, true);
element.dispatchEvent(event);
}
}
I tested this with an onchange-event for a input=text in IE7, FX2, and
O9. Maybe it could be integrated into the signal() function, so one
could simply do signal(element, "onchange")?
--
troels
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