<!DOCTYPE html>
<html>
<head>
<script>

function boom()
{
    var ac = new AudioContext();
    // first "suspended" -> "running" transition
    ac.onstatechange = function() {
      ac.onstatechange = null;
      ac.suspend();
      ac.close();
    }
}

</script>
</head>
<body onload="boom();"></body>
</html>