Kendin dene - JavaScript Reference audio

<!DOCTYPE html>
<html>
<body>

<audio id="myAudio" controls>
  <source src="horse.ogg" type="audio/ogg">
  <source src="horse.mp3" type="audio/mpeg">
  Your browser does not support the audio element.
</audio><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("myAudio");

function enableMute() {
   x.muted = true;
}

function disableMute() {
   x.muted = false;
}

function checkMute() {
   alert(x.muted);
}
</script>

</body>
</html>