jquery/jquery — pull request #773 by culshaw (2012-05-10 16:59:48+00:00)
Title: Added requestAnimationFrame back in (from v.1.6.2)

Whilst I haven't added the 'shut off' flag in as discussed here: http://forum.jquery.com/topic/please-don-t-remove-requestanimationframe. The performance difference of requestAnimationFrame is noticable.