>You can't do smart things on each frame (for ex, subbing in new content as the user scrolls) You wouldn't be able to do that with scroll-end either. >You als

>You can't do smart things on each frame (for ex, subbing in new content as the user scrolls) You wouldn't be able to do that with scroll-end either. >You also don't know for sure when a scroll ends w/ the current impl That makes sense, but that issue is orthogonal to performance.