It does, but since browsers have no defined API for this Modernizr deals with quite a few false positives. Putting the onus on browsers to accurately describe w

It does, but since browsers have no defined API for this Modernizr deals with quite a few false positives. Putting the onus on browsers to accurately describe what features are present is good. Plus it's always a good thing to kill off javascript libraries; we don't want to always keep sending JS down the wire when the platform should have this stuff by default.