Subtraction Operator subtracts the second operand from the first.
Example
You can try to run the following code to work with Subtraction Operator −
Live Demo
<html>
<body>
<script>
var a = 40;
var b = 25;
document.write("a - b = ");
result = a - b;
document.write(result);
</script>
</body>
</html>