MessageEvent.origin
The origin
read-only property of the
MessageEvent
interface is a USVString
representing the
origin of the message emitter.
Syntax
var origin = messageEvent.origin;
Value
A USVString
representing the origin.
Example
myWorker.onmessage = function(e) {
result.textContent = e.data;
console.log('Message received from worker');
console.log(e.origin);
};
Specifications
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of 'MessageEvent: origin' in that specification. |
Living Standard |
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.