testchildtags.html

来自「用于编些网站的Javascript」· HTML 代码 · 共 29 行

HTML
29
字号
<html> 
	<head>   
		<script language="javascript"> 
			function testFun(){
				//var result = document.getElementsByTagName("tr");
				//alert(result.length);
				
				var myTable = document.getElementById("myTable");	  
				var result = myTable.childNodes;
				alert(result.length);
			}
		</script>
	</head>
	<body>
		<input type="button" value="test" onclick="testFun()"><hr> 
		<table border="1" cellspacing="0" align="center" width="70%">
			<tbody id="myTable"> 
				<tr>
					<td>1, 1</td>
					<td>1, 2</td>	
				</tr>
				<tr>
					<td>2, 1</td>
					<td>2, 2</td>		
				</tr>
			</tbody>
		</table>
	</body>
</html>

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