在线运行代码 - 代码学院 www.codexy.cn

<!DOCTYPE html>
<html>
<head> 
<meta charset="utf-8"> 
<title>代码学院(codexy.cn)</title> 
<script>
function show(){
	document.getElementById("myTable").style.emptyCells="show";
}
function hide(){
	document.getElementById("myTable").style.emptyCells="hide";
}
</script>
</head>
<body>

<table id="myTable" border="1">
	<tr>
		<th>Month</th>
		<th>Savings</th>
	</tr>
  	<tr>
		<td>January</td>
		<td>$100</td>
  	</tr>
  	<tr>
		<td>February</td>
		<td></td>
  	</tr>
</table>
<br>
<button type="button" onclick="show()">显示空单元格</button>
<button type="button" onclick="hide()">隐藏空单元格</button>
<p><b>注意:</b> Internet Explorer 8 及更早版本要支持empty-cells属性必须声明 !DOCTYPE 。</p>

</body>
</html>
源代码

动行结果
