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interface MessageEvent
implements Event

Type Parameters

optional
T = any

Properties

readonly
data: T

Returns the data of the message.

readonly
origin: string

Returns the origin of the message, for server-sent events.

readonly
lastEventId: string

Returns the last event ID string, for server-sent events.

readonly
source: null
readonly
ports: ReadonlyArray<MessagePort>

Returns transferred ports.

variable MessageEvent

type

{ readonly prototype: MessageEvent; new <T>(type: string, eventInitDict?: MessageEventInit<T>): MessageEvent<T>; }