https://lists.w3.org/Archives/Public/public-webapps/2010AprJun/0127.html
Re: Websockets API / CloseEvent and readyState from Olli Pettay on 2010-04-14...
https://lists.w3.org/Archives/Public/public-webapps/2010AprJun/0131.html
Re: Websockets API / CloseEvent and readyState from Ian Hickson on 2010-04-14...
https://bugzilla.mozilla.org/show_bug.cgi?id=1322667
1322667 - Intermittent TEST-UNEXPECTED-TIMEOUT | /websockets/interfaces/CloseEvent/clean-close.html...
RESOLVED (nobody) in Core - Networking: WebSockets. Last updated 2018-01-24.
intermittenttestunexpectedtimeout
https://lists.w3.org/Archives/Public/public-webapps/2010AprJun/0135.html
Re: Websockets API / CloseEvent and readyState from Ian Hickson on 2010-04-14...
https://developer.mozilla.org/en-US/docs/Web/API/CloseEvent/wasClean
CloseEvent: wasClean property - Web APIs | MDN
The wasClean read-only property of the CloseEvent interface returns true if the connection closed cleanly.
web apiscloseeventpropertymdn
https://flex.apache.org/asdoc/mx/events/CloseEvent.html
mx.events.CloseEvent
mxeventscloseevent
https://developer.mozilla.org/de/docs/Web/API/CloseEvent/CloseEvent
CloseEvent: CloseEvent()-Konstruktor - Web-APIs | MDN
Der CloseEvent()-Konstruktor erstellt ein neues CloseEvent-Objekt.
web apiscloseeventkonstruktormdn