Javascript DOM HTML Video volume Property set

Introduction

Set video volume to 20%: 

document.getElementById("myVideo").volume = 0.2;

Click the buttons to get or set the volume of the video.

View in separate window 

<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<video id="myVideo" width="100" height="100" controls>
  <source src="video.mp4" type="video/mp4">
  <source src="video.ogg" type="video/ogg">
  Your browser does not support the video tag.
</video>//from  ww w.j  a v a  2s .co m
<button onclick="getVolume()" type="button">Get the volume</button>
<button onclick="setHalfVolume()" type="button">Set volume to 0.2</button>
<button onclick="setFullVolume()" type="button">Set volume to 1.0</button>

<script>
var x = document.getElementById("myVideo");

function getVolume() {
  document.getElementById("demo").innerHTML = x.volume;
}

function setHalfVolume() {
  x.volume = 0.2;
}

function setFullVolume() {
  x.volume = 1.0;
}
</script>

</body>
</html>

The volume property sets or gets the audio volume of a video, from 0.0 (silent) to 1.0 (loudest).

Property Values

Value Description
number Specifies the audio volume of the video. Must be a number between 0.0 to 1.0

Example values:

  • 1.0 is highest volume (100%. This is default)
  • 0.5 is half volume (50%)
  • 0.0 is silent (same as mute)

The volume property returns a Number representing the audio volume of the video.




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