try_dom_nav_lastchild 在线代码实例

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<!DOCTYPE html>
<html>
<head>
<script src="/statics/demosource/loadxmldoc.js">
</script>
<script>
//check if the first node is an element node
function get_lastChild(n)
{
y=n.lastChild;
while (y.nodeType!=1)
  {
  y=y.previousSibling;
  }
return y;
}
</script>
</head>
<body>
<script>
xmlDoc=loadXMLDoc("/statics/demosource/books.xml");
x=get_lastChild(xmlDoc.getElementsByTagName("book")[0]);
document.write(x.nodeName);
</script>
</body>
</html>
 
 
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运行结果
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