Get your own website Result Size: 625 x 565
x
 
<!DOCTYPE html> 
<html> 
<body> 
<video id="myVideo" width="320" height="240" controls>
  <source src="movie.mp4" type="video/mp4">
  <source src="movie.ogg" type="video/ogg">
  Your browser does not support the video tag.
</video><br>
<button onclick="enableMute()" type="button">Mute sound</button>
<button onclick="disableMute()" type="button">Enable sound</button>
<button onclick="checkMute()" type="button">Check muted status</button>
<script>
var x = document.getElementById("myVideo");
function enableMute() { 
  x.muted = true;
}
 
function disableMute() { 
  x.muted = false;
}
 
function checkMute() { 
  alert(x.muted);
} 
</script> 
</body> 
</html>