WebMessagingMessagePort.startmethod MessagePort.start#MessagePort.start(): voidBegins dispatching messages received on the port. This is implicitly called when assigning a value to this.onmessage. Return Type #void
method MessagePort.start#MessagePort.start(): voidBegins dispatching messages received on the port. This is implicitly called when assigning a value to this.onmessage. Return Type #void