There is also the nifty "Break on ... Attributes modification" in the web inspector. Just go to the element in the "Elements" tab, right-click, "Break on ..."

There is also the nifty "Break on ... Attributes modification" in the web inspector. Just go to the element in the "Elements" tab, right-click, "Break on ..." and choose what kind of breakpoint you want. I just tested it with jQuery.hide() and it works wonderfully.