Comments on: SCORM Tip: Use an onunload handler http://pipwerks.com/2010/08/06/scorm-tip-use-an-onunload-handler/ E-Learning and Web Development Sat, 27 Apr 2013 02:42:47 +0000 hourly 1 By: Tim Martin http://pipwerks.com/2010/08/06/scorm-tip-use-an-onunload-handler/#comment-1953 Tim Martin Fri, 06 Aug 2010 14:38:32 +0000 http://pipwerks.com/?p=1231#comment-1953 Don’t miss an important piece of what Philip did here, either… He defends against Terminating twice by checking the variable unloaded. A lot of people making use of onunload and onbeforeunload fail to do so, creating API calls against an unloaded API.

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