<html> <head> <title>A Simple Page</title> <script language="JavaScript"> var num1, op, num2, ans; num1 = 2; op = "+"; num2 = 3; ans = eval(Number(num1)+ op + Number(num2)); alert(num1 + " " + op + " " + num2 + " = " + ans); </script> </head> <body> </body> </html>