Note: This feature is available in Web Workers.
The data read-only property of the MessageEvent interface represents the data sent by the message emitter.
The data sent by the message emitter; this can be any data type, depending on what originated this event.
myWorker.onmessage = (e) => {
result.textContent = e.data;
console.log("Message received from worker");
};ExtendableMessageEvent — similar to this interface but used in interfaces that needs to give more flexibility to authors.