jquery/jquery-ui — comment on commit e9f5c1857f9d70e69f08be158b2275736c02647f
File: ui/jquery.ui.droppable.js line 48
By DaveStein:

Wondering if interactions should have internal non-dom callbacks. $.widget.bind('drag') / $.widget.trigger('drag'). Would be more flexible than overwriting any methods and I think it'd be more efficient than $('*').live