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<title>JavaScript Arithmetic Operators</title>
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<pre> <!-- Use pre element for work document.writeln() method -->
<script type="text/javascript">
var x = 10, y = 5;
document.writeln("Add : ", x + y); // Addition: 15
document.writeln("Sub : ", x - y); // Subtraction: 5
document.writeln("Mul : ", x * y); // Multiplication: 50
document.writeln("Div : ", x / y); // Division: 2
document.writeln("Mod : ", x % y); // Modulus: 0
document.writeln("-------Increment------");
document.writeln(x++); // x: 10, x become now 11
document.writeln(x); // x: 11
document.writeln(++x); // x become now 12, x: 12
document.writeln("-------Decrement------");
document.writeln(x--); // x: 12, x become now 11
document.writeln(x); // x: 11
document.writeln(--x); // x become now 10, x: 10
</script>
</pre>
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