description

# visibilityChangeEvent constant Null safety

EventStreamProvider<Event> const visibilityChangeEvent
@SupportedBrowser(SupportedBrowser.CHROME), @SupportedBrowser(SupportedBrowser.FIREFOX), @SupportedBrowser(SupportedBrowser.IE, '10')

Static factory designed to expose `visibilitychange` events to event handlers that are not necessarily instances of Document.

See EventStreamProvider for usage information.

## Implementation

    static const EventStreamProvider visibilityChangeEvent =
        const _CustomEventStreamProvider(
            _determineVisibilityChangeEventType)