JavaScript 控制表格行垂直对齐：vAlign 属性用法

vAlign属性实现示例

<!DOCTYPE html>
<html>
<head>
<script>
function topAlign()
{
document.getElementById('tr2').vAlign="top";
}
</script>
</head>
<body>
<table width="50%" border="1">
<tr id="tr1">
<th>Firstname</th>
<th>Lastname</th>
<th>Text</th>
</tr>
<tr id="tr2">
<td>Peter</td>
<td>Griffin</td>
<td>Hello my name is Peter Griffin.
I need a long text for this example.
I need a long text for this example.</td>
</tr>
</table>
<br>
<input type="button" onclick="topAlign()" value="Top-align table row" />
</body>
</html>