History

Time	Change
2008-12-15 07:36:00+00:00	Created
2008-12-15 07:36:00+00:00	Associated with beforeunload
2008-12-15 07:36:00+00:00	Associated with onbeforeunload
2009-02-19 20:47:09+00:00	Associated with onBeforeUnload
2015-05-05 07:31:56+00:00	Associated with prompt to unload a document
2015-05-05 07:35:19+00:00	Associated with BeforeUnloadEvent
2015-05-05 07:41:56+00:00	Associated with refused to allow the document to be unloaded
2015-05-05 11:21:03+00:00	Associated with returnValue
2017-05-12 13:50:29+00:00	Associated with prompt to unload