Number Generator

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Number Generator Lab</title>
<style type="text/css">
body {
	background-color: rgba(116,243,217,1);
}
    div {
        text-align:center;
    }
</style>
</head>

<body>
    <h1 align="center">Number Generator Lab</h1>
<table align="center">
   <div><tr><td><input type="button" value="Go" onClick="go();" /></td></tr>
     <tr><td><textarea id="msg" rows="8"></textarea></td></tr> </div>
</table>

<script>
    function go() {
      //  var total;
        var msg= " ";
        var num;
        for (var i = 0; i < 4; i++) {
            num = getRandomInt(10) + 1;
         //   total += num;
            msg += num + ". ";
        }
       // total = total / 100;
        document.getElementById("msg").innerHTML = msg + " ";
    }
    function getRandomInt(max) {
        return Math.floor(Math.random() * Math.floor(max));
    }
        </script>
</body>
</html>