Class ExtendableMessageEvent

Namespace

CSharpToJavaScript.APIs.JS

Assembly

CSharpToJavaScript.dll

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

[Value("ExtendableMessageEvent")]
public class ExtendableMessageEvent : ExtendableEvent

Inheritance

object

Event

ExtendableEvent

ExtendableMessageEvent

Inherited Members

ExtendableEvent.WaitUntil(Task<dynamic>)

Event.NONE

Event.CAPTURING_PHASE

Event.AT_TARGET

Event.BUBBLING_PHASE

Event.ComposedPath()

Event.StopPropagation()

Event.StopImmediatePropagation()

Event.PreventDefault()

Event.InitEvent(string, bool, bool)

Event.Type

Event.Target

Event.SrcElement

Event.CurrentTarget

Event.EventPhase

Event.CancelBubble

Event.Bubbles

Event.Cancelable

Event.ReturnValue

Event.DefaultPrevented

Event.Composed

Event.IsTrusted

Event.TimeStamp

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Remarks

This interface inherits from the ExtendableEvent interface.

-Using Service Workers
-Service workers basic code example
-Channel Messaging

See also on MDN

Constructors

ExtendableMessageEvent()

public ExtendableMessageEvent()

ExtendableMessageEvent(string, ExtendableMessageEventInit)

The ExtendableMessageEvent() constructor creates a new ExtendableMessageEvent object.

public ExtendableMessageEvent(string type, ExtendableMessageEventInit eventInitDict = null)

Parameters

type string

eventInitDict ExtendableMessageEventInit

Remarks

-Using Service Workers
-Service workers basic code example
-Channel Messaging

See also on MDN

Properties

Data

The data read-only property of the
ExtendableMessageEvent interface returns the event's data. It can be any
data type.

[Value("data")]
public dynamic Data { get; }

Property Value

dynamic

Any data type.

Remarks

-Using Service Workers
-Service workers basic code example
-Channel Messaging

See also on MDN

LastEventId

The lastEventID read-only property of the
ExtendableMessageEvent interface represents, in server-sent events, the last event ID of the event source. This is an empty string.

[Value("lastEventId")]
public string LastEventId { get; }

Property Value

string

A string.

Remarks

-Using Service Workers
-Service workers basic code example
-Channel Messaging

See also on MDN

Origin

The origin read-only property of the
ExtendableMessageEvent interface returns the origin of the
Client that sent the message.

[Value("origin")]
public string Origin { get; }

Property Value

string

A string.

Remarks

-Using Service Workers
-Service workers basic code example
-Channel Messaging

See also on MDN

Ports

The ports read-only property of the
ExtendableMessageEvent interface returns the array containing the
MessagePort objects representing the ports of the associated message
channel (the channel the message is being sent through.)

[Value("ports")]
public MessagePort[] Ports { get; }

Property Value

MessagePort[]

An array of MessagePort objects.

Remarks

-Using Service Workers
-Service workers basic code example
-Channel Messaging

See also on MDN

Source

The source read-only property of the
ExtendableMessageEvent interface returns a reference to the
Client object from which the message was sent.

[Value("source")]
public Union140? Source { get; }

Property Value

Union140?

A Client, ServiceWorker or MessagePort
object.

Remarks

-Using Service Workers
-Service workers basic code example
-Channel Messaging

See also on MDN