MessageEvent: lastEventId property
The lastEventId
read-only property of the
MessageEvent
interface is a string representing a
unique ID for the event.
Value
A string representing the ID.
Examples
js
myWorker.onmessage = (e) => {
result.textContent = e.data;
console.log("Message received from worker");
console.log(e.lastEventId);
};
Specifications
Specification |
---|
HTML Standard # dom-messageevent-lasteventid-dev |
Browser compatibility
BCD tables only load in the browser
See also
-
ExtendableMessageEvent
— similar to this interface but used in interfaces that needs to give more flexibility to authors.