<html>
  <head>
    <script type="text/javascript" src="counter.js"></script>
  </head>
  <body>
    <center style="margin-top: 10em; font-face: trebuchet; font-size: 16pt;">
      <span>Hey, look, a counter: </span><span id="counter">0</span>
    </center>
  </body>
</html>
