在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head> 
<meta charset="utf-8"> 
<title>菜鸟教程(cainiaoplay.com)</title>
<script>
function displayResult(){
	document.getElementById("myTable").deleteCaption();
}
</script>
</head>
<body>

<table id="myTable" border="1">
<caption>这是个表格标题</caption>
	<tr>
		<td>cell 1</td>
		<td>cell 2</td>
	</tr>
	<tr>
		<td>cell 3</td>
		<td>cell 4</td>
  	</tr>
</table>
<br>
<button type="button" onclick="displayResult()">删除标题</button>

</body>
</html>
源代码

动行结果
