MessageEvent: origin property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Note: This feature is available in Web Workers.
The origin read-only property of the MessageEvent interface is a string representing the origin of the message emitter.
Value
A string representing the origin.
Examples
js
myWorker.onmessage = (e) => { result.textContent = e.data; console.log("Message received from worker"); console.log(e.origin); }; Specifications
| Specification |
|---|
| HTML> # dom-messageevent-origin-dev> |
Browser compatibility
Loading…
See also
ExtendableMessageEvent— similar to this interface but used in interfaces that needs to give more flexibility to authors.