t+1 - Latest Comments in Approaching jQuery popup callback hell

Re: Approaching jQuery popup callback hell

Matt Wilson — Fri, 05 Feb 2010 20:53:05 -0000

Thanks a lot!I'll try it out.

Re: Approaching jQuery popup callback hell

Herberth Amaral — Thu, 04 Feb 2010 18:43:42 -0000

I was experiencing the same problem. I solved those problems by putting all anonymous functions used as callbacks in a namespace and now I'm only using the jQuery's bind function to work with events. Code like this:

$('#myButton').click(function(){ alert('I was clicked') })

was refactored to something like this:

$('#myButton').bind('click',{'self':this},myButtonClickHandler);

myButtonClickHandler = function(event)
{
var self = event.data.self; //very useful if you work with namespaces
alert('I was clicked')
}

You may think it is a little verbose than the first approach, but the second one is much more reusable and maintainable than the first one,

cheers!

Re: Approaching jQuery popup callback hell

The Daily Reviewer — Wed, 23 Sep 2009 05:52:10 -0000

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Re: Approaching jQuery popup callback hell

Designer Eyeglasses — Sat, 19 Sep 2009 17:13:48 -0000

I think you need to check it again. I have used it without any problem. Thank you for this post.

Re: Approaching jQuery popup callback hell

Matt Wilson — Mon, 31 Aug 2009 22:02:04 -0000

Hi Mike,

Thanks for the feedback. All my instincts say I should use a pubsub
system. I was just hoping to hear from some other people that have
done this in JS that it does in fact work pretty well.

Re: Approaching jQuery popup callback hell

Mike Pirnat — Mon, 31 Aug 2009 21:31:50 -0000

I'm not very familiar with jQuery, but this feels like someplace that I would use something like Dojo's publish/subscribe setup, which is pretty much as you describe (party A publishes a signal, and all subscribed listeners are triggered). It can make debugging more challenging as there's no direct link from the publisher to the subscriber, and can be easy to screw up the timing if you've got multiple listeners that might affect each other, but if you keep your head about you, it's a really convenient and elegant way to solve this kind of problem.