MessageEvent.data

The data read-only property of the MessageEvent interface represents the data sent by the message emitter.

Syntax

var data = messageEvent.data;

Value

The data sent by the message emitter; this can be any data type.

Example

myWorker.onmessage = function(e) {
  result.textContent = e.data;
  console.log('Message received from worker');
};

Specifications

Specification
HTML Standard (HTML)
# dom-messageevent-data-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
data
1
12
4
9
Yes
4
≤37
Yes
Yes
Yes
3
Yes

See also

  • ExtendableMessageEvent — similar to this interface but used in interfaces that needs to give more flexibility to authors.

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https://developer.mozilla.org/en-US/docs/Web/API/MessageEvent/data