test.html

<!DOCTYPE html>
<html>
  <head>
    <title>Pong Tests</title>
    <meta charset="utf-8" />
  </head>
  <body>
    <table>
      <caption>Scores</caption>
      <thead>
        <tr>
          <th>Player 1</th>
          <th>Player 2</th>
        </tr>
      </thead>
      <tbody>
        <tr>
          <td id="score_player1"></td>
          <td id="score_player2"></td>
        </tr>
      </tbody>
    </table>
    <canvas id="pong" width="800" height="600">
    <p>
    Upgrade your browser!
    </p>
    </canvas>
    <script type="text/javascript" charset="utf-8" src="http://yui.yahooapis.com/3.2.0/build/yui/yui-min.js"></script>
    <script type="text/javascript" src="arnie.js"></script>
    <script type="text/javascript" src="pong.js"></script>
    <script type="text/javascript" src="test.js"></script>
  </body>
</html>