The HTMLMediaElement.defaultMuted property reflects the muted HTML attribute, which indicates whether the media element's audio output should be muted by default. This property has no dynamic effect. To mute and unmute the audio output, use the muted property.


var dMuted = video.defaultMuted;
audio.defaultMuted = true;


A Boolean. A value of true means that the audio output will be muted by default.


var videoEle = document.createElement('video');
videoEle.defaultMuted = true;
console.log(videoEle.outerHTML); // <video muted=""></video>


Specification Status Comment
HTML Living Standard
The definition of 'HTMLMediaElement.defaultMuted' in that specification.
Living Standard No change from HTML5
The definition of 'HTMLMediaElement.defaultMuted' in that specification.
Recommendation Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support Yes Yes11 ? Yes Yes
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes Yes Yes14 Yes Yes ?

See also

Document Tags and Contributors

Contributors to this page: fscholz, Jedipedia, erikadoyle, markg
Last updated by: fscholz,