EventTarget class Null safety
Base class for all browser objects that support events.
Use the on property to add, and remove events for compile-time type checks and a more concise API.
- Implementers
- AbstractWorker
- AccessibleNode
- Animation
- ApplicationCache
- BackgroundFetchRegistration
- BatteryManager
- BroadcastChannel
- EventSource
- FileReader
- FileWriter
- FontFaceSet
- GlobalEventHandlers
- HttpRequestEventTarget
- MediaDevices
- MediaKeySession
- MediaQueryList
- MediaRecorder
- MediaSource
- MediaStream
- MediaStreamTrack
- MessagePort
- MidiAccess
- MidiPort
- NetworkInformation
- Node
- Notification
- OffscreenCanvas
- PaymentRequest
- Performance
- PermissionStatus
- PresentationAvailability
- PresentationConnection
- PresentationConnectionList
- PresentationRequest
- RemotePlayback
- RtcDataChannel
- RtcDtmfSender
- RtcPeerConnection
- ScreenOrientation
- Sensor
- ServiceWorker
- ServiceWorkerContainer
- ServiceWorkerRegistration
- SharedWorker
- SourceBuffer
- SourceBufferList
- SpeechRecognition
- SpeechSynthesis
- SpeechSynthesisUtterance
- TextTrack
- TextTrackCue
- TextTrackList
- VideoTrackList
- VisualViewport
- VR
- VRDevice
- VRDisplay
- VRSession
- WebSocket
- Window
- WindowBase
- WindowEventHandlers
- Worker
- WorkerGlobalScope
- WorkerPerformance
Properties
Methods
-
addEventListener(
String type, EventListener? listener, [bool? useCapture]) → void -
dispatchEvent(
Event event) → bool -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited
-
removeEventListener(
String type, EventListener? listener, [bool? useCapture]) → void -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited