Static factory designed to expose message
events to event handlers that are not necessarily instances of WebSocket.
See EventStreamProvider for usage information.
static const EventStreamProvider<MessageEvent> messageEvent = const EventStreamProvider<MessageEvent>('message')
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-html/WebSocket/messageEvent-constant.html