Might not call it bad, but you should really also learn JS - as brilliant as jQuery is, it can't really do everything. It's also much better to know js in order

Might not call it bad, but you should really also learn JS - as brilliant as jQuery is, it can't really do everything. It's also much better to know js in order to debug stuff that misbehave (you can also download the un-minified jQuery code and just step into to it ... can save a few hairs off your head)