<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script>
function boom()
{
var td = document.createElement("td");
document.body.appendChild(td);
var audio = document.createElement("audio");
audio.controls = true;
td.appendChild(audio);
}
</script>
</head>
<body onload="boom();"></body>
</html>