


The attribute defaultMuted that sets or returns whether the audio/video is muted by default in HTML5
Example
SettingsVideoDefault mute:
myVid=document.getElementById("video1"); myVid.defaultMuted=true;
Definition and usage
defaultMuted PropertiesSet or returnAudio/Whether the video is muted by default.
Setting this property will only change the default mute state, not the current one. To change the current muted state, use the muted attribute.
Browser support
Only Google Chrome supports the defaultMuted attribute.
Syntax
Set the defaultMuted attribute:
audio|video.defaultMuted=true|false
Return the defaultMuted attribute:
audio|video.defaultMuted
Attribute value
Value | Description |
true | Indicates that audio/video is muted by default. |
false | Default. Indicates that audio/video is not muted by default. |
Technical Details
Return Value | Boolean value. true|false |
Default value: | false |
Instance
Set video default Mute:
<!DOCTYPE html> <html> <body> <p> <button onclick="getMuted()" type="button">该视频默认是静音的吗?</button> <button onclick="setToMuted()" type="button">把视频设置为默认静音,并重载视频</button> </p> <video id="video1" controls="controls"> <source src="/kf51/demo/mov_bbb.mp4" type="video/mp4"> <source src="/kf51/demo/mov_bbb.ogg" type="video/ogg"> 您的浏览器不支持 video 标签。 </video> <script> var myVid = document.getElementById("video1"); function getMuted() { alert(myVid.defaultMuted); } function setToMuted() { myVid.defaultMuted = true; myVid.load() } </script> </body> </html>
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