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.
Syntax
var dMuted = video.defaultMuted; audio.defaultMuted = true;
Value
A Boolean. A value of true means that the audio output will be muted by default.
Example
var obj = document.createElement('video');
console.log(obj.defaultMuted); // false
Specifications
| Specification | Status | Comment | 
|---|---|---|
| WHATWG HTML Living Standard The definition of 'HTMLMediaElement.defaultMuted' in that specification. | Living Standard | No change from HTML5 | 
| HTML5 The definition of 'HTMLMediaElement.defaultMuted' in that specification. | Recommendation | Initial definition. | 
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari | 
|---|---|---|---|---|---|
| defaultMutedproperty | (Yes) | 11.0 (11.0) | ? | ? | ? | 
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | 
|---|---|---|---|---|---|---|
| defaultMutedproperty | (Yes) | 11.0 (11.0) | (Yes) | ? | ? | ? | 
See also
- The interface defining it, HTMLMediaElement.