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RTCSessionDescription.type

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

The property RTCSessionDescription.type is a read-only value of type RTCSdpType which describes the description's type.

Syntax

var value = sessionDescription.type;
sessionDescription.type = value; 

Value

The possible values are defined by an enum of type RTCSdpType.

The allowed values are those of an enum of type RTCSdpType:

  • "offer", the description is the initial proposal in an offer/answer exchange.
  • "answer", the description is the definitive choice in an offer/answer exchange.
  • "pranswer", the description is a provisional answer and may be changed when the definitive choice will be given.
  • "rollback", the description rolls back to offer/answer state to the last stable state.

Example

// The remote description has been set previously on pc, a RTCPeerconnection

alert(pc.remoteDescription.type);

Specifications

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support Yes 15 Yes
Prefixed
Yes
Prefixed
Prefixed Requires the vendor prefix: -moz-
No ? ?
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support Yes Yes Yes ? ? ? Yes

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/RTCSessionDescription/type