It performs a Boolean AND operation on each bit of its integer arguments.
Example
You can try to run the following code to learn how to work with Bitwise AND Operator −
<html>
<body>
<script>
var a = 2; // Bit presentation 10
var b = 3; // Bit presentation 11
document.write("(a & b) => ");
result = (a & b);
document.write(result);
</script>
</body>
</html>