HTML Audio / Video DOM defaultPlaybackRate property
HTML Audio / Video DOM Reference
Examples
The video is set to the default low speed playback:
myVid=document.getElementById("video1");
myVid.defaultPlaybackRate=0.5;
myVid.defaultPlaybackRate=0.5;
try it"
Definition and Usage
defaultPlaybackRate property sets or returns the audio / video default playback speed.
Setting this property will only change the default playback speed, instead of the current. To change the current playback speed, please use playbackRate property.
Browser Support
Only Internet Explorer 10, Firefox and Chrome support defaultPlaybackRate property.
Note: Safari, Opera or Internet Explorer 9 and earlier versions do not support defaultPlaybackRate property.
grammar
Setting defaultPlaybackRate properties:
audio|video .defaultPlaybackRate= playbackspeed
Back defaultPlaybackRate properties:
audio|video .defaultPlaybackRate
Property Value
值 | 描述 |
---|---|
playbackspeed | 指示音频/视频的默认播放速度。 例值:
|
technical details
返回值: | 数字值,默认的播放速度 |
---|---|
默认值: | 1.0 |
HTML Audio / Video DOM Reference