Static factory designed to expose mark
events to event handlers that are not necessarily instances of SpeechSynthesisUtterance.
See EventStreamProvider for usage information.
static const EventStreamProvider<SpeechSynthesisEvent> markEvent = const EventStreamProvider<SpeechSynthesisEvent>('mark')
© 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/SpeechSynthesisUtterance/markEvent-constant.html