<!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="enableControls()" type="button">Enable controls</button>
<button onclick="disableControls()" type="button">Disable controls</button>
<button onclick="checkControls()" type="button">Check controls status</button>
<script>
var x = document.getElementById("myAudio");
function enableControls() {
x.controls = true;
x.load();
}
function disableControls() {
x.controls = false;
x.load();
}
function checkControls() {
alert(x.controls);
}
</script>
</body>
</html>