Document Object Model (DOM)

web page
dom tree

<html>
         <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>