readyStateChangeEvent constant

EventStreamProvider<ProgressEvent> const readyStateChangeEvent = const EventStreamProvider<ProgressEvent>('readystatechange')

Static factory designed to expose readystatechange events to event handlers that are not necessarily instances of HttpRequest.

See EventStreamProvider for usage information.

Implementation 

static const EventStreamProvider<ProgressEvent> readyStateChangeEvent =
    const EventStreamProvider<ProgressEvent>('readystatechange')