errorEvent constant
Static factory designed to expose error events to event handlers that are not necessarily instances of FileReader.
See EventStreamProvider for usage information.
Implementation
static const EventStreamProvider<ProgressEvent> errorEvent =
    const EventStreamProvider<ProgressEvent>('error');
    © 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
    https://api.dart.dev/stable/2.13.0/dart-html/FileReader/errorEvent-constant.html