直接设置样式,优先级也最高,其它形式的样式将会被覆盖
<TABLE width="20%" align="center" border="1" cellpadding="0">
<TR>
<TD onmouseover="this.style.color='red';this.style.background='#3399FF';" onmouseout="this.style.color='black';this.style.background='white';">1111111111111111</TD>
<TD onmouseover="this.style.color='#33FF66';this.style.background='#FF9900';" onmouseout="this.style.color='black';this.style.background='white';">22222222222</TD>
</TR>
</TABLE>