JS Web Audio API Drum Machine V1 Basic SRC

<button onclick="loadAudDemo('http://www.freesfx.co.uk/rx2/mp3s/6/18657_1464810668.mp3');">1</button>
<button onclick="loadAudDemo('http://www.freesfx.co.uk/rx2/mp3s/4/16139_1460560059.mp3');">2</button>
<button onclick="loadAudDemo('http://www.freesfx.co.uk/rx2/mp3s/6/18644_1464806042.mp3');">3</button>
<br>
<br>
<button onclick="loadAudDemo('http://www.freesfx.co.uk/rx2/mp3s/2/13902_1459870826.mp3');">4</button>
<button onclick="loadAudDemo('http://www.freesfx.co.uk/rx2/mp3s/4/15776_1460487091.mp3');">5</button>
<button onclick="loadAudDemo('http://www.freesfx.co.uk/rx2/mp3s/6/17938_1464203358.mp3');">6</button>
<br>
<br>
<button onclick="loadAudDemo('http://www.freesfx.co.uk/rx2/mp3s/5/17653_1462196939.mp3');">7</button>
<button onclick="loadAudDemo('http://www.freesfx.co.uk/rx2/mp3s/5/17652_1462196938.mp3');">8</button>
<button onclick="loadAudDemo('http://www.freesfx.co.uk/rx2/mp3s/5/17656_1462196942.mp3');">9</button>
<script>
function loadAudDemo(url){
var aud=new Audio();
aud.src=url;
aud.play();
}
</script>