RTCPeerConnection.ondatachannel

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The RTCPeerConnection.ondatachannel property is an EventHandler which specifies a function which is called when the datachannel event occurs on an RTCPeerConnection. This event, of type RTCDataChannelEvent, is sent when an RTCDataChannel is added to the connection by the remote peer calling createDataChannel().

At the time this event is received, the RTCDataChannel it indicates may not yet actually be open. Be sure to wait for the "open" event to be fired on the new RTCDataChannel before using it.

Syntax

RTCPeerConnection.ondatachannel = function;

Value

Set this property to be a function you provide which receives as input a single parameter: an RTCDataChannelEvent which provides in its channel property the RTCDataChannel which has been created.

Example

pc.ondatachannel = function(ev) {
  console.log('Data channel is created!');
  ev.channel.onopen = function() {
    console.log('Data channel is open and ready to be used.');
  };
};

Specifications

Specification Status Comment
WebRTC 1.0: Real-time Communication Between Browsers
The definition of 'RTCPeerConnection.ondatachannel' in that specification.
Candidate Recommendation Initial specification.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic support
Experimental
Chrome Full support 56Edge Full support YesFirefox Full support 22IE ? Opera Full support 43
Notes
Full support 43
Notes
Notes Promise based version.
No support 37 — 43
Safari ? WebView Android Full support 56Chrome Android Full support 56Edge Mobile Full support YesFirefox Android Full support 44Opera Android Full support 43
Notes
Full support 43
Notes
Notes Promise based version.
No support 37 — 43
Safari iOS ? Samsung Internet Android Full support 6.0

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
See implementation notes.
See implementation notes.

See also

Document Tags and Contributors

Contributors to this page: fscholz, jlotto, jpmedley, Sheppy, so_matt_basta, teoli
Last updated by: fscholz,