sindresorhus/screenfull.js — pull request #37 by jackplug (2013-11-20 08:46:22+00:00)
Title: msFullscreenchange should be msFullscreenChange

...otherwise, it does not work in IE11 (see http://msdn.microsoft.com/en-us/library/ie/dn312066(v=vs.85).aspx)