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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
</head>
<script src="../mbts/jquery-2.0.3.min.js"></script>
<body>
<script language="javascript">
function GET_T_TR_TD(node) {
//控件
var tdd = node;
//对应的td
var tdd = node.parentNode;
//对应的tr
var trr = node.parentNode.parentNode;
//对应的table
var ta = node.parentNode.parentNode.parentNode;
//parentNode是父节点的意思,通过这个可以不停的往上跳
//var t = tr2.previousSbiling;
//var t = tr2.nextSbiling;
//rows[0].cells[1] 通过这个直接通过节点来访问
//节点的value
alert(ta.rows[0].cells[1].childNodes[0].value);
alert(ta.rows[0].cells[1].innerHTML);
alert(ta.rows[0].cells[1].innerText);
}
</script>
<table id="tb" width="200" border="1" cellpadding="4" cellspacing="0">
<tr>
<td height="25">1行</td>
<td height="25"><input type="button" name="GET_T_TR_TD" value="获得数据" onclick="GET_T_TR_TD(this)">awdasdawd</td>
<td height="25">2行</td>
<td height="25">2</td>
<td height="25">3</td>
<td height="25">4</td>
<td height="25">5</td>
</tr>
<tr>
<td height="25">11</td>
<td height="25">12</td>
<td height="25">13</td>
<td height="25">134</td>
<td height="25">15</td>
<td height="25">16</td>
</tr>
<tr>
<td height="25">1212</td>
<td height="25">23</td>
<td height="25">34</td>
<td height="25">第一行</td>
<td height="25">第一行</td>
<td height="25">第一行</td>
<td height="25">第一行</td>
</tr>
<tr>
<td height="25">第1一行</td>
<td height="25">第2一行</td>
<td height="25"> <input type="button" name="GET_T_TR_TD" value="获得数据" onclick="GET_T_TR_TD(this)"></td>
<td height="25">3</td>
<td height="25">第4一行</td>
<td height="25">第5一行</td>
<td height="25">第6一行</td>
</tr>
<tr>
<td height="25"></td>
</tr>
</table>
</body>
<!-- 参考http://www.cnblogs.com/blodfox777/archive/2009/03/16/1413185.html -->
</html>
通过这个可以获取html里的节点 再通过节点来获取其他节点的内容
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原文地址:http://www.cnblogs.com/cxl123/p/5847512.html