The Modulus operator (%) outputs the remainder of an integer division.
Example
You can try to run the following code to learn how to work with Modulus (%) operator.
<html>
<body>
<script>
var a = 33;
var b = 10;
document.write("a % b = ");
result = a % b;
document.write(result);
</script>
</body>
</html>