ExtendableMessageEvent class

The ExtendableMessageEvent interface of the ServiceWorker API represents the event object of a message event fired on a service worker (when a channel message is received on the ServiceWorkerGlobalScope from another context) — extends the lifetime of such events.

Inheritance

Properties

bubbles bool?
no setterinherited
cancelable bool?
no setterinherited
composed bool?
no setterinherited
currentTarget EventTarget?
no setterinherited
data → dynamic
Returns the event's data. It can be any data type.
no setter
defaultPrevented bool
no setterinherited
eventPhase int
no setterinherited
hashCode int
The hash code for this object.
no setterinherited
isTrusted bool?
no setterinherited
lastEventId String?
Represents, in server-sent events, the last event ID of the event source.
no setter
matchingTarget Element
A pointer to the element whose CSS selector matched within which an event was fired. If this Event was not associated with any Event delegation, accessing this value will throw an UnsupportedError.
no setterinherited
origin String?
no setter
path List<EventTarget>
no setterinherited
ports List<MessagePort>?
Returns the array containing the MessagePort objects representing the ports of the associated message channel.
no setter
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
source ServiceWorkerClient
Returns a reference to the service worker that sent the message.
no setter
target EventTarget?
no setterinherited
timeStamp double?
no setterinherited
type String
no setterinherited

Methods

composedPath() List<EventTarget>
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
preventDefault() → void
inherited
stopImmediatePropagation() → void
inherited
stopPropagation() → void
inherited
toString() String
A string representation of this object.
inherited
waitUntil(Future future) → void
Extends the lifetime of the event. It is intended to be called in the install EventHandler for the installing worker and on the active EventHandler for the active worker.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited