> Firefox appears to have some issues that might related to the API, though I > haven't investigated the cause of those yet, so I don't know for sure. > Unfortunately, IE8 can't run John's tests because it relies on some DOM2 > features that aren't yet supported, so the testing framework would need to > be rewritten to make it work.
Just to update: The test suite now runs in IE 8. Demo: http://ejohn.org/apps/selectortest/ As of last night's nightly WebKit has the first 100% passing implementation. --John