Get a random number
Simple example of getting a random number.
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<div id="numberText"></div>
<script>
var element = document.getElementById('numberText');
function getRandomNumber(max) {
return Math.round(Math.random() * max);
}
element.innerHTML = "The random number is " + getRandomNumber(100);
</script>
</body>
</html>