<html>
  <head>
    <title>JavaScript sample code</title>
  </head>

  <body>
    <h1>Funções</h1>
    <script language="JavaScript" type="text/javascript">
    <!-- 
       function factorial(n) {
         if( n == 0 )
           return 1;
         else
           return n*factorial(n-1);
       }

       var i = 0;
       while( i <= 10 ) {
          document.write(i + "! = " + factorial(i) + "<br>\n");
          i++;
       }
    //-->
    </script>
  </body>
</html>