RTCSessionDescription.type - Web APIs 编辑

Experimental

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 compatibility

BCD tables only load in the browser

See also

• WebRTC