HTML DOM audio 对象

音频对象

Audio 对象代表一个 HTML <audio> 元素。

访问音频对象

您可以使用 getElementById() 访问 <audio> 元素：

示例

var x = document.getElementById("myAudio");

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创建音频对象

您可以使用 document.createElement() 方法创建 <audio> 元素：

示例

var x = document.createElement("AUDIO");

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音频对象属性

Property	Description
audioTracks	Returns an AudioTrackList object representing available audio tracks
autoplay	Sets or returns whether the audio should start playing as soon as it is ready
buffered	Returns a TimeRanges object representing the buffered parts of an audio
controller	Returns the MediaController object representing the current media controller of an audio
controls	Sets or returns whether an audio should have controls displayed (play/pause etc)
crossOrigin	Sets or returns the CORS settings of an audio
currentSrc	Returns the URL of the current audio
currentTime	Sets or returns the current playback position in an audio (in seconds)
defaultMuted	Sets or returns whether the audio should be muted by default
defaultPlaybackRate	Sets or returns whether the default playback speed of the audio
duration	Returns the length of an audio(in seconds)
ended	Returns whether the playback of the audio has ended
error	Returns a MediaError object representing the error state of the audio
loop	Sets or returns whether the audio should start playing over again, every time it is finished
mediaGroup	Sets or returns the name of the media group the audio(s) is a part of
muted	Sets or returns whether the sound should be turned off
networkState	Returns the current network state of an audio
paused	Returns whether an audio is paused
playbackRate	Sets or returns the speed of the audio playback
played	Returns a TimeRanges object representing the played parts of the audio
preload	Sets or returns the value of the preload attribute of an audio
readyState	Returns the current ready state of an audio
seekable	Returns a TimeRanges object representing the seekable parts of an audio
seeking	Returns whether the user is currently seeking in the audio
src	Sets or returns the value of the src attribute of an audio
textTracks	Returns a TextTrackList object representing the available text tracks
volume	Sets or returns the audio volume of an audio

音频对象方法

Method	Description
addTextTrack()	Adds a new text track to the audio
canPlayType()	Checks whether the browser can play the specified audio type
fastSeek()	Seeks to a specified time in the audio player
getStartDate()	Returns a new Date object, representing the current timeline offset
load()	Re-loads the audio element
play()	Starts playing the audio
pause()	Pauses the currently playing audio

标准属性和事件

Audio 对象还支持标准特性和事件。

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