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• 句法
• 规范
• 浏览器兼容性
• 相关话题

clone() 方法在 MediaStreamTrack interface creates a duplicate of the MediaStreamTrack . This new MediaStreamTrack object is identical except for its unique id .

句法

const newTrack = track.clone()
					

返回值

新的 MediaStreamTrack instance which is identical to the one clone() was called, except for its new unique id .

规范

规范	状态	注释
媒体捕获和流 The definition of 'clone()' in that specification.	候选推荐	初始定义。

浏览器兼容性

The compatibility table on 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
clone	Chrome 45	Edge 12	Firefox 48	IE No	Opera 32	Safari Yes	WebView Android 45	Chrome Android 45	Firefox Android Yes	Opera Android 32	Safari iOS Yes	Samsung Internet Android 5.0

图例

完整支持

完整支持

不支持

不支持

元数据

• 最后修改： Feb 13, 2020

相关话题

1. Media Streams API
2. MediaStreamTrack
3. 特性

   1. enabled
   2. id
   3. kind
   4. label
   5. muted
   6. onended
   7. onmute
   8. onoverconstrained
   9. onunmute
   10. readyState
   11. remote
4. 方法

   1. applyConstraints()
   2. clone()
   3. getCapabilities()
   4. getConstraints()
   5. getSettings()
   6. stop()
5. 事件

   1. ended
   2. mute
   3. unmute
6. Related pages for Media Capture and Streams

   1. AudioStreamTrack
   2. BlobEvent
   3. CanvasCaptureMediaStream
   4. ConstrainBoolean
   5. ConstrainDOMString
   6. ConstrainDouble
   7. ConstrainLong
   8. DoubleRange
   9. HTMLCanvasElement.captureStream()
   10. LongRange
   11. MediaDevices
   12. MediaStream
   13. MediaStreamTrackEvent
   14. MediaTrackCapabilities
   15. MediaTrackConstraints
   16. MediaTrackSettings
   17. MediaTrackSupportedConstraints
   18. Navigator.mediaDevices
   19. NavigatorUserMedia
   20. NavigatorUserMediaError
   21. VideoStreamTrack
   22. navigator.mediaDevices.getUserMedia()