Web/API/HTMLMediaElement/defaultMuted

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

Specifications

Specification	Status	Comment
HTML Living StandardThe definition of 'HTMLMediaElement.defaultMuted' in that specification.	Living Standard	No change from HTML5
HTML5The definition of 'HTMLMediaElement.defaultMuted' in that specification.	Recommendation	Initial definition.

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`defaultMuted`	Chrome Full support 43	Edge Full support 12	Firefox Full support 11	IE No support No	Opera Full support Yes	Safari Full support 6	WebView Android Full support 43	Chrome Android Full support 43	Firefox Android Full support 14	Opera Android Full support Yes	Safari iOS Full support Yes	Samsung Internet Android Full support 4.0

Legend

Full support: Full support
No support: No support