JS- Basic Operators

<!DOCTYPE html>
<html>

  <head>
    <script type="text/javascript">
      var a=10,b=5,a,s,p,d,m;
      
      a = a+b; //Addition Operator
      s = a-b; //Substraction Operator
      p = a*b; //Product Operator
      d = a/b; //Division Operator
      m = a%b; //Modulus Operator
      
      document.write("<br>Add = " + a);
      document.write("<br>Subtract = " + s);
      document.write("<br>Multiply = " + p);
      document.write("<br>Divide = " + d);
      document.write("<br>Modulo = " + m);
    </script>
  </head>

</html>