This program gets two inputs from the user. parseInt is used to convert string to an integer.
How to make simple javascript calculator. make the simple javascript calculator it is can only submission, subtraction, division, and multiply two numbers.
<script type="text/javascript">
var num1,num2;
num1=prompt("Enter a num");
num2=prompt("Enter a num");
num1=parseInt(num1,10);
num2=parseInt(num2,10);
var sum,sub,div,mul;
sum=num1+num2;
document.write(num1+"+"+num2+"="+sum + "<br/>");
sub=num1-num2;
document.write(num1+"-"+num2+"="+sub+"<br/>");
div=num1/num2;
document.write(num1+"/"+num2+"="+div+"<br/>");
mul=num1*num2;
document.write(num1+"*"+num2+"="+mul + "<br/>");
</script>
