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A MessageEvent is the interface representing a message received by a target, being a WebSocket or a WebRTC RTCDataChannel

The action triggered by this event is set via an event handler set on WebSocket.onmessage or RTCDataChannel.onmessage.


Attribute Type Description
data DOMString | Blob | ArrayBuffer The data from the server.

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support ? 4.0 (2.0)[1] ? ? ?
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? ? ? ? ?

[1] As of Gecko 11.0, Gecko supports ArrayBuffer for data, but not Blob.

See also

Document Tags and Contributors

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