Tryit Editor v2.9

Edit This Code:
<!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>