<tr  onMouseOver="this.bgColor=#0000ff;">
<td>
</td>
</tr>

解决方案 »

  1.   

    <html>
    <body>
    <table BORDER=1 WIDTH=300>
    <tr   backupcolor="" onmouseout="this.style.backgroundColor=backupcolor" onmouseover="this.backupcolor=this.style.backgroundColor;this.style.backgroundColor='#0F000F'">
    <td>
    DDDDDDDZZZZ
    </td>
    </tr>
    <TR  backupcolor="" onmouseout="this.style.backgroundColor=backupcolor" onmouseover="this.backupcolor=this.style.backgroundColor;this.style.backgroundColor='#0F000F'">
    <TD>
    DDDDDDDD
    </TD>
    </TR>
    </table>
    </body>
    </html>