<!DOCTYPE html>
<html>
<body>
<video id="myVideo" width="320" height="240">
<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="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("myVideo");
function enableControls() {
x.controls = true;
x.load();
}
function disableControls() {
x.controls = false;
x.load();
}
function checkControls() {
alert(x.controls);
}
</script>
</body>
</html>