jquery/jquery — pull request #991 by fracmak (2012-10-16 20:00:18+00:00)
Title: Fixes Ticket 12749, position() on positon:fixed elements is wrong

adds a new path for position() when it detects a position: fixed element to use getBoundingClientRect() to measure the exact position of the element in the window and bypassing the dom position checks. Unit tests updated