51help TIY
码：
<html> <head> <script type="text/javascript"> function bgChange(bg) { document.getElementById('x').style.background="url(" + bg + ")" } </script> </head> <body> <p>何向 textarea 像。</p> <p>，textarea </p> <table width="300" height="100"> <tr> <td onmouseover="bgChange('/i/eg_bg_03.gif')" background="../i/eg_bg_03.gif" tppabs="http://www.51help.tk/i/eg_bg_03.gif"></td> <td onmouseover="bgChange('/i/eg_bg_04.gif')" background="../i/eg_bg_04.gif" tppabs="http://www.51help.tk/i/eg_bg_04.gif"></td> </tr> </table> <form> <textarea id="x" rows="5" cols="20"> This example can not be edited because our editor uses a textarea for input, and your browser does not allow a textarea inside a textarea.