eligrey/classList.js — pull request #4 by GoalSmashers (2012-06-27 13:53:39+00:00)
Title: Early exit for browsers without Element/HTMLElement support (IE<8).

IE7 barks because of lack of Element/HTMLElement object. Not sure how you build minified source so altered the source file only.

Thanks a lot for this script!
Jakub Pawlowicz