Factorial of 25

        
<!doctype html>
<html>
   <head>
       <title>Factorial of 25</TITLE>
   </HEAD>
   <body>
   <h1> Factorial of 25 </h1>
       <form name="f1">
           <input type="submit" value="calculate Factorial" onClick="calc()">
       </form>
    </body>
    <script language="Javascript">
          function calc()
          {
              event.preventDefault();
              var i,f=1;
              for(i=1;i<=25;i++)
              {
                  f=f*i;
              }
              alert("Factorial of number 25 is="+f);
          }
     </script>
</html>
Go back