28726 2015-05-31 20:54:32 +0000 initMessageEvent() sourceArg should be nullable 2015-09-01 13:28:52 +0000 1 1 1 Unclassified WHATWG HTML unspecified Other other RESOLVED MOVED https://html.spec.whatwg.org/#the-messageevent-interfaces P3 normal Unsorted 1 contributor ian annevk mike philipj contributor oldest_to_newest 120625 0 contributor 2015-05-31 20:54:32 +0000 Specification: https://html.spec.whatwg.org/ Multipage: https://html.spec.whatwg.org/multipage/#the-messageevent-interfaces Complete: https://html.spec.whatwg.org/#the-messageevent-interfaces Referrer: Comment: initMessageEvent() sourceArg should be nullable Posted from: 85.225.4.214 User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.152 Safari/537.36 OPR/29.0.1795.60 120626 1 philipj 2015-05-31 20:55:18 +0000 Both MessageEvent.source and MessageEventInit.source are nullable. 122975 2 annevk 2015-09-01 13:28:52 +0000 https://github.com/whatwg/html/pull/72