HTML DOM案例 - W3xue在线HTML/CSS/JS运行工具

​x
 
<html>
<head>
<script type="text/javascript">
function bgChange(bg)
{
document.getElementById('x').style.background="url(" + bg + ")"
}
</script>
</head>
​
<body>
​
<p>本例演示如何向按钮插入背景图像。</p>
<p>请把鼠标移动到图像上，按钮会获得一幅背景图像：</p>
​
<table width="300" height="100">
 <tr>
  <td onmouseover="bgChange('/img/eg_bg_08.gif')" 
      background="/img/eg_bg_08.gif">
  </td>
  <td onmouseover="bgChange('/img/eg_bg_09.gif')" 
      background="/img/eg_bg_09.gif">
  </td>
</tr>
</table>
​
<form>
<input id="x" type="button" value="Mouse over the images">
</form>
​
</body>
</html>