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• 句法
• 规范
• 浏览器兼容性
• 相关话题

track 只读特性在 RTCRtpSender interface returns the MediaStreamTrack which is being handled by the RTCRtpSender .

句法

var mediaStreamTrack = rtcRtpSender.track
					

值

A MediaStreamTrack object representing the media associated with the RTCRtpSender . If no track is associated with the sender, this value is null , in which case the sender transmits nothing.

规范

规范	状态	注释
WebRTC 1.0: Real-time Communication Between Browsers The definition of 'track' in that specification.	候选推荐	初始定义。

浏览器兼容性

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
track	Chrome Yes	Edge 12	Firefox 34	IE No	Opera Yes	Safari Yes	WebView Android Yes	Chrome Android Yes	Firefox Android 34	Opera Android Yes	Safari iOS Yes	Samsung Internet Android Yes

图例

完整支持

完整支持

不支持

不支持

元数据

• 最后修改： Jul 2, 2020

相关话题

1. WebRTC API
2. RTCRtpSender
3. 特性

   1. dtmf
   2. track
4. 方法

   1. getParameters()
   2. getStats()
   3. replaceTrack()
   4. setParameters()
5. Related pages for WebRTC

   1. MediaDevices.getUserMedia()
   2. Navigator.mediaDevices
   3. RTCCertificate
   4. RTCDTMFSender
   5. RTCDTMFToneChangeEvent
   6. RTCDataChannel
   7. RTCDataChannelEvent
   8. RTCDtlsTransport
   9. RTCErrorEvent
   10. RTCIceCandidate
   11. RTCIceTransport
   12. RTCPeerConnection
   13. RTCPeerConnectionIceErrorEvent
   14. RTCPeerConnectionIceEvent
   15. RTCRtpReceiver
   16. RTCRtpTransceiver
   17. RTCSctpTransport
   18. RTCSessionDescription
   19. RTCStatsEvent
   20. RTCStatsReport
   21. RTCTrackEvent