Convert Timer interval to be milliseconds

That, or change the constructor to accept an options hash instead of just two arguments:

new Fuse.Timer({
    callback: function(){
        //...
    },
    timeout: 5000, //`timeout` seems more concise than `interval`...
    unit: 'millisecond'
});

The disadvantage to this is that it creates more overhead, and also requires a lot more abstraction in the actual Timer class (and then there's the additional issue of which units to support). Another alternative might be a multiple option (so, for seconds, set timeout to 5 and multiple to 1000), but that also seems slightly redundant and unnecessary.

I think using seconds for the timeout unit seems more intuitive, but, if it's inconsistent with other languages, then it's probably a good idea to switch it to milliseconds after all. Just playing around with various ideas... :)

Something else to think about is

// ActionScript 3 Timer Class
var myIndetifier:Timer = new Timer(delay, repeat-count);
myIdentifier.addEventListener(TimerEvent.TIMER, timerListener);
function timerListener (e:TimerEvent):void{
//commands
}
myIdentifier.start();

Maybe later with an object event system something like this may be doable.
Also they use the word delay, others use countDown, and others still use time intervals

I dig the multiple option adds very little to overhead and allows for some customizations like:

// boom Prototype compat.
Fuse.Timer.defaultOptions.multiple = 1000;

also currently we use defaultOptions in Fuse.Ajax.Base.defaultOptions would just options seem fitting sense it is on the constructor ? (Fuse.Ajax.Base.options or Fuse.Timer.options

Careful with that delete :D

I dig the exception handling, its should be a new ticket item though.

The commit URL containing the Timer updates is:

https://github.com/kitsg/fusejs/commit/4d5c3634b69420dfad3f51271820...

In that commit, I accidentally left an erroneous entry in timer_test.js, so this commit fixes that:

https://github.com/kitsg/fusejs/commit/00be5a50c8c0d2ac267a07d038a0...

@JDD: OK, #35 Add exception handling to Fuse.Timer covers exception handling.

Ok I have been milling over these changes.
I would think that because of it being a timer that some arguments should not be optional

Fuse.Timer(callback, interval, options);