https://dd.reso.org/DD2.1/lookups/EventTarget/
EventTarget - Lookups - DD 2.1 - RESO Data Dictionary
EventTarget - Lookups - DD 2.1 – RESO Data Dictionary documentation
data dictionaryeventtargetlookupsreso
https://api.dart.dev/stable/2.10.1/dart-html/EventTarget/addEventListener.html
addEventListener method - EventTarget class - dart:html library - Dart API
API docs for the addEventListener method from the EventTarget class, for the Dart programming language.
methodeventtargetclassdarthtml
https://lists.w3.org/Archives/Public/public-webrtc/2012Aug/0027.html
Re: [Bug 18335] New: PeerConnection should inherit EventTarget from Adam Bergkvist on 2012-08-07...
from adambugnewinheriteventtarget