onError property
Stream<Event> onErrorStream of error events handled by this EventSource.
Source
@DomName('EventSource.onerror')
@DocsEditable()
Stream<Event> get onError => errorEvent.forTarget(this);
© 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/EventSource/onError.html