1.Arithmetic Operators Example-1(Addition,substraction,multiplication,division):
The two numbers can be literals Example-(1)
<script>
var x = 100 + 50;
document.getElementById("demo").innerHTML = x;
</script>
<script>
var a = 100;
var b = 50;
var x = a + b;
document.getElementById("demo").innerHTML = x;
</script>
<script>
var a = 3;
var x = (100 + 50) * a;
document.getElementById("demo").innerHTML = x;
</script>
<script>
var x = 5;
var y = 2;
var z = x + y;
document.getElementById("demo").innerHTML = z;
</script>
<script>
var x = 5;
var y = 2;
var z = x - y;
document.getElementById("demo").innerHTML = z;
</script>
// multiplication
<script>
var x=5;
var y=2;
var z=x*y;// we can do division here
document.getElementById("demo").innerHTML=z;
</script>
<script>
var x = 5;
x++;
var z = x;
document.getElementById("demo").innerHTML = z;
</script>
//decrement
<script>
var x = 5;
x--;
var z = x;
document.getElementById("demo").innerHTML = z;
</script>
//Multiplication has precedence over addition
<script>
document.getElementById("demo").innerHTML = 100 + 50 * 3;
</script>