I know about the :animated selector, but currently am running into (what might be one of a few) performance issue for older IE\'s (go figure). I feel like it mi
:animated
All jQuery animation timers are stored in the array $.timers. One option is just to check whether length of $.timers property is more than zero:
length
$.timers
if ($.timers.length > 0) { // something is animating }