errorEvent constant
EventStreamProvider<ProgressEvent> errorEvent = const EventStreamProvider<ProgressEvent>Static factory designed to expose error
events to event handlers that are not necessarily instances of HttpRequestEventTarget.
See EventStreamProvider for usage information.
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-html/HttpRequestEventTarget/errorEvent-constant.html