carhartl/jquery-cookie — pull request #79 by FagnerMartinsBrack (2012-07-07 18:56:32+00:00)
Title: == null checks for null and undefined

"It's actually quite useful to do == null or != null as it will pass (or
fail) if the value is either null or undefined."
http://docs.jquery.com/JQuery_Core_Style_Guidelines