<html>
  <head>
    <!-- Ensure that onloads in html tags are executed without any errors. -->
  </head>
  <body>
    <script type="text/javascript" >
      var list = [];
    </script>
    <script type="text/javascript" >
      list.push(1);
      list.push(2);
    </script>
    <img src="/mod_pagespeed_example/images/Puzzle.jpg" onload="list.push(3);">
    <script type="text/javascript" >
      setTimeout(function() {
                 var div = document.createElement('div');
                 div.id = "listDiv";
                 div.innerHTML = list.join();
                 document.body.appendChild(div);
      }, 3000);
    </script>
  </body>
</html>