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An message event informs the target, a WebSocket, RTCDataConnection or a BroadcastChannel object, that a message has been received.
If the target is a RTCDataConnection, an event handler for this event can be added via the RTCDataConnection.onmessage property.
If the target is a BroadcastChannel, an event handler for this event can be added via the BroadcastChannel.onmessage property.
General info
- Interface
MessageEvent- Bubbles
- No
- Cancelable
- No
- Target
RTCDataChannelEvent,WebSocket,BroadcastChannel- Default Action
- None
Properties
A MessageEvent being an Event, this event also implements these properties.
dataRead only- Is a
DOMStringcontaining the message received.
Methods
A MessageEvent being an Event, this event also implements these properties.
Related Events
Specifications
| Specification | Status | Comment |
|---|---|---|
| WebRTC 1.0: Real-time Communication Between Browsers The definition of 'message on RTCDataChannel' in that specification. |
Working Draft | Adds RTCDataChannel as an EventTarget and defines when this event is sent. |
| WHATWG HTML Living Standard The definition of 'message on BroadcastChannel' in that specification. |
Living Standard | Adds BroadcastChannel as an EventTarget and defines when this event is sent. |
Browser compatibility
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | (Yes) | No support | (Yes) | ? |
on BroadcastChannel |
No support | No support | 38 (38) | No support | No support | No support |
| Feature | Android | Chrome for Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | ? | ? | (Yes) | ? | No support | ? | ? |
on BroadcastChannel |
No support | No support | No support | 38.0 (38) | No support | No support | No support |
See also
- WebRTC
- BroadcastChannel API
- WebSockets