Javascript Facebook Sound notification
Full page code :
<html>
<header>
<title>
Tutofree
</title>
</header>
<body>
<input type="button" value="play" id="play">
</body>
<script type="text/javascript" src="jquery-1.10.2.min.js"></script>
<script>
$(function(){
$('#play').click(function(){
var snd='<audio autoplay=true> <source src="ping.mp3"> </audio>';
$('body').append(snd);
});
})
</script>
</html>