The origin
read-only property of the MessageEvent
interface is a USVString
representing the origin of the message emitter.
MessageEvent.origin
Value
A USVString
representing the origin.
Examples
myWorker.onmessage = function(e) { result.textContent = e.data; console.log('Message received from worker'); console.log(e.origin); };
Specifications
Specification |
---|
HTML Standard # dom-messageevent-origin-dev |
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
origin |
1
|
12
|
3
|
9
|
≤12.1
|
4
|
≤37
|
18
|
4
|
≤12.1
|
3.2
|
1.0
|
See also
-
ExtendableMessageEvent
— similar to this interface but used in interfaces that needs to give more flexibility to authors.
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/MessageEvent/origin