I\'m using Eclipse Ganymede. Everything works fine, but I have an anal-retentive yearning for a warning-free Problems tab. Right now it (correctly) complains about my Ant
Even though this thread is a little older, somebody might find this interesting:
http://www.cs.hs-rm.de/~knauf/KomponentenArchitekturen2008/jsfunit/index.html
Go to Project Properties -> Validation and follow the screen shots on that page. Should be easy even if you don't speak German. ;-)
This solution worked perfectly for me. Cheers!