History

Time	Change
2012-02-29 23:05:49+00:00	Created
2012-02-29 23:05:49+00:00	Associated with PageVisibility
2013-05-20 13:40:03+00:00	Associated with visibilitychange
2013-05-20 13:40:03+00:00	Disassociated from PageVisibility
2013-05-20 14:46:32+00:00	Associated with now hidden algorithm
2013-05-20 14:46:32+00:00	Associated with now visible algorithm
2013-05-20 14:57:14+00:00	Associated with unloading document visibility change steps
2013-05-20 14:57:14+00:00	Associated with unload文書可視性変更手順
2013-05-20 23:00:42+00:00	Associated with mozvisibilitychange
2013-05-20 23:00:42+00:00	Associated with msvisibilitychange
2013-05-20 23:00:42+00:00	Associated with webkitvisibilitychange
2013-10-13 12:45:32+00:00	Associated with セッション履歴文書可視性変更ステップ群
2013-10-13 12:45:32+00:00	Associated with session history document visibility change steps
2015-11-13 13:17:19+00:00	Associated with steps to determine the visibility state
2016-04-22 09:29:14+00:00	Associated with onvisibilitychange
2016-10-19 01:10:55+00:00	Disassociated from steps to determine the visibility state