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• 句法
• 范例
• 规范
• 浏览器兼容性
• 相关话题

只读 Navigator property mediaSession 返回 MediaSession object that can be used to share with the browser metadata and other information about the current playback state of media being handled by a document. This information may, in turn, be shared with the device and/or operating system in order to a device's standard media control user experience to describe and control the playback of the media.

此外， MediaSession 接口提供 setActionHandler() method, which lets you receive events when the user engages device controls such as either onscreen or physical play, pause, seek, and other similar controls. An internet radio app, for example, can use setActionHandler() to let fhe media controls on a keyboard or elsehwere on the user's device be used to control the app's media playback.

句法

let mediaSession = navigator.mediaSession;
					

值

A MediaSession object the current document can use to share information about media it's playing and its current playback status. This information can include typical metadata such as the title, artist, and album name of the song being played as well as potentially one or more images containing things like album art, artist photos, and so forth.

范例

In this example, metadata is submitted to the mediaSession object. Note that the code begins by ensuring that the navigator.mediaSession property is available before attempting to use it.

if ("mediaSession" in navigator){
  navigator.mediaSession.metadata = new MediaMetadata({
    title: "Podcast Episode Title",
    artist: "Podcast Host",
    album: "Podcast Name",
    artwork: [{src: "podcast.jpg"}]
  });
}
					

规范

规范	状态	注释
Media Session Standard The definition of 'navigator.mediaSession' in that specification.	草案	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
mediaSession	Chrome No	Edge No	Firefox 71	IE No	Opera No	Safari ?	WebView Android No	Chrome Android 57	Firefox Android ?	Opera Android No	Safari iOS ?	Samsung Internet Android 7.0

图例

完整支持

完整支持

不支持

不支持

兼容性未知 ?

兼容性未知

实验。期望将来行为有所改变。

实验。期望将来行为有所改变。

元数据

• 最后修改： Dec 13, 2019

相关话题

1. Navigator
2. 特性

   1. activeVRDisplays
   2. appCodeName
   3. appName
   4. appVersion
   5. battery
   6. buildID
   7. clipboard
   8. connection
   9. cookieEnabled
   10. credentials
   11. deviceMemory
   12. doNotTrack
   13. geolocation
   14. keyboard
   15. 语言
   16. languages
   17. locks
   18. maxTouchPoints
   19. mediaDevices
   20. mediaSession
   21. onLine
   22. oscpu
   23. permissions
   24. platform
   25. product
   26. productSub
   27. serviceWorker
   28. userAgent
   29. vendor
   30. vendorSub
   31. webdriver
   32. xr
3. 方法

   1. canShare()
   2. getBattery()
   3. getGamepads()
   4. getUserMedia()
   5. getVRDisplays()
   6. mozIsLocallyAvailable()
   7. msLaunchUri()
   8. registerContentHandler()
   9. registerProtocolHandler()
   10. requestMediaKeySystemAccess()
   11. sendBeacon()
   12. share()
   13. taintEnabled()
   14. vibrate()