Document Object Model (DOM)

web page
dom tree

<html lang="en">
  <head>
    <title>My Schools</title>
  </head>
  <body>
    <h1>My Schools</h1>
    <ul>
      <li>
        <a href="http://www.harvard.edu/">Harvard University</a><br/>
        <img src="images/veritas.gif" alt="Harvard Shield" height="84" width="72"/>
      </li>
      <li>
        <a href="http://www.ku.edu/">University of Kansas</a><br/>
        <img src="images/KUSeal.gif" alt="University of Kansas Seal" height="73" width="72"/>
      </li>
    </ul>
  </body>
</html>

DOM Visualizer

dom visualization