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The decision for Backbone events vs other events is based on this performance review: http://jsperf.com/events-vs-events2/25



That's not a big surprise. jQuery's events use native browser events behind the scenes. Which is nice for dom-oriented plugins; you get bubbling for free and all the native event listeners just work. It's got a pretty fair amount of overhead though. Backbone's events are just a pure JS event emitter implementation.

I'm curious, though, why they added an external dependency instead of just inlining a solution. There's a couple of good MIT licenced barebones implementations[1][2] floating around, and it's pretty straightforward to reimplement yourself in an hour or two if you prefer.

[1] https://github.com/Wolfy87/EventEmitter [2] https://github.com/hij1nx/EventEmitter2


I was not aware of these other event systems in JavaScript. Thanks for pointing these out!


You also have Backbone events extracted from Backbone on https://github.com/bermi/eventify


Just to add to the list: https://github.com/necolas/emitter.js

:)



or https://github.com/component/emitter if you wanted to get real modular and release the library as smaller Components.




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