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• 句法
• 范例
• 规范
• 浏览器兼容性
• 相关话题

playbackState 特性为 MediaSession interface indicates whether the current media session is playing or paused.

句法

let playbackState = mediaSession.playbackState;
mediaSession.playbackState = playbackState;
					

值

A DOMString indicating the current playback state of the media session. The value may be one of the following:

none

The browsing context doesn't currently know the current playback state, or the playback state is not available at this time.

paused

The browser's media session is currently paused. Playback may be resumed.

playing

The browser's media session is currently playing media, which can be paused.

范例

The following example sets up event handlers, for pausing and playing:

var audio = document.querySelector("#player");
audio.src = "song.mp3";
navigator.mediaSession.setActionHandler('play', play);
navigator.mediaSession.setActionHandler('pause', pause);
function play() {
   audio.play();
   navigator.mediaSession.playbackState = "playing";
}
function pause() {
   audio.pause();
   navigator.mediaSession.playbackState = "paused";
}
					

规范

规范	状态	注释
Media Session Standard The definition of 'playbackState' 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
playbackState	Chrome 73	Edge ≤79	Firefox 不支持 No	IE 不支持 No	Opera Yes	Safari ?	WebView Android 不支持 No	Chrome Android 57	Firefox Android 不支持 No	Opera Android 不支持 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： Apr 21, 2020

相关话题

1. 媒体会话 API
2. MediaSession
3. 特性

   1. metadata
   2. playbackState
4. 方法

   1. setActionHandler()
   2. setPositionState()
5. Related pages for Media Session API

   1. MediaMetadata