<script type="text/javascript">
function changeColor(color)
document.getElementById('x').style.color=color
<p>请把鼠标移动到下面的三个表格单元上,文本的颜色将会改变:</p>
<table width="100%" height="20"><tr>
<td bgcolor="red" onmouseover="changeColor('red')"> </td>
<td bgcolor="blue" onmouseover="changeColor('blue')"> </td>
<td bgcolor="green" onmouseover="changeColor('green')"> </td>
<input id="x" type="text" value="请把鼠标移动到颜色上面" size="20">