![CSS 点击按钮以后修改DIV的高度，代码怎么写？[有代码]](/aiimages/CSS+%E7%82%B9%E5%87%BB%E6%8C%89%E9%92%AE%E4%BB%A5%E5%90%8E%E4%BF%AE%E6%94%B9DIV%E7%9A%84%E9%AB%98%E5%BA%A6%EF%BC%8C%E4%BB%A3%E7%A0%81%E6%80%8E%E4%B9%88%E5%86%99%EF%BC%9F%5B%E6%9C%89%E4%BB%A3%E7%A0%81%5D.png)
<body>
<div style="background-color: orangewidth: 100%height: 20%">
</div>
<div style="background-color: greenwidth: 100%height: 60%">
</div>
<div style="background-color: bluewidth: 100%height: 20%">
</div>
</body>
</html>
<DOCTYPE HTML><html>
<head>
<title>一个简单的table</title>
</head>
<body>
<table>
<tr><td style="bgcolor:grayheight:50pxwidth:30%">灰</td>
<td style="bgcolor:redheight:50pxwidth:30%">红</td>
<td style="bgcolor:grayheight:50pxwidth:30%">灰</td>
</tr>
<tr>
<td colspan="3"></td>
</tr>
</table>
</body>
