A message event informs the target, a WebSocket, RTCDataChannel, EventSource, or a BroadcastChannel object, that a message has been received.
If the target is a RTCDataChannel, an event handler for this event can be added via the RTCDataChannel.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
MessageEventorRTCDataChannelEvent- Bubbles
- No
- Cancelable
- No
- Target
RTCDataChannel,WebSocket,EventSource,BroadcastChannel- Default Action
- None
Properties
A MessageEvent being an Event, this event also implements these properties.
dataRead only- A
DOMStringcontaining the message received.
Methods
A MessageEvent being an Event, this event also implements its methods.
Related Events
Specifications
| Specification | Status | Comment |
|---|---|---|
| WebRTC 1.0: Real-time Communication Between Browsers The definition of 'message on RTCDataChannel' in that specification. |
Candidate Recommendation | Adds RTCDataChannel as an EventTarget and defines when this event is sent. |
| HTML Living Standard The definition of 'the message event' in that specification. |
Living Standard | Adds BroadcastChannel as an EventTarget and defines when this event is sent. |
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 | 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 |