Tryit Editor v2.7

Edit This Code:
<!DOCTYPE html>
<html>
<body>

<p>Click the button to create an AUDIO element with controls that will play a sound in a .mp3 or .ogg file format (depending on browser support).</p>

<button onclick="myFunction()">Try it</button>

<script>
function myFunction() {
    var x = document.createElement("AUDIO");

    if (x.canPlayType("audio/mpeg")) {
        x.setAttribute("src","horse.mp3");
    } else {
        x.setAttribute("src","horse.ogg");
    }

    x.setAttribute("controls", "controls");
    document.body.appendChild(x);
}
</script>

</body>
</html>