ExtendableMessageEventInit

JS
1.1
fun ExtendableMessageEventInit(
    data: Any? = undefined,
    origin: String? = undefined,
    lastEventId: String? = undefined,
    source: UnionClientOrMessagePortOrServiceWorker? = undefined,
    ports: Array<MessagePort>? = undefined,
    bubbles: Boolean? = false,
    cancelable: Boolean? = false,
    composed: Boolean? = false
): ExtendableMessageEventInit