Tuesday, May 5, 2009

fireEvent for FireFox, Safari, and others

Just a quick update about vice-versa, I have implemented fireEvent to fire, as the method name says itself, events after attachEvent.

Do you prefer the dispatchEvent way with at least 3 different ways to initialize an event usually fired only to call the callback?
It is this:

a.addEventListener("click", function(evt){
location.href = evt.target.href;
evt.preventDefault();
return false;
}, false);

// powerful uh? now think
// when you used something different
// from defaults ...
var evt = document.createEvent("MouseEvents");
evt.initMouseEvent(
"click",
true,
true,
this,
0,
0,
0,
0,
0,
false,
false,
false,
false,
0,
null
);
a.dispatchEvent(evt);

against what I think is often all we need:

a.attachEvent("onclick", function(){
location.href = event.srcElement.href;
return event.returnValue = false;
});
a.fireEvent("onclick");

and that's it :)

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