I just asked about this on Twitter and got this reply from Andrew Tetlaw: http://twitter.com/atetlaw/status/6259397321
suggesting using tr:nth-child(even) rather than tr:even and this does indeed work. -- cheers Steve On Dec 2, 7:33 am, Karl Swedberg <k...@englishrules.com> wrote: > Aha! I see it now. It's a warning, not an error, and it's a CSS > warning. If you're seeing it in Firebug, you can hide it by unchecking > "Show CSS Errors" in the Console preferences list. > > --Karl > > ____________ > Karl Swedbergwww.englishrules.comwww.learningjquery.com > > On Dec 1, 2009, at 4:11 AM, Steve Fleischer wrote: > > > I found this thread searching for a solution to this same error. I am > > using FF 3.5.5 Win and jQuery 1.3.2 and get: > > > Warning: Unknown pseudo-class or pseudo-element 'even'. > > > when using this: > > > $("#listTable tr:even").addClass("altRow"); > > > cheers > > Steve