try_dom_insertbefore 在线代码实例

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<!DOCTYPE html>
<html>
<head>
<script src="/statics/demosource/loadxmldoc.js"> 
</script>
</head>
<body>
<script>
xmlDoc=loadXMLDoc("/statics/demosource/books.xml");
newNode=xmlDoc.createElement("book");
x=xmlDoc.documentElement;
y=xmlDoc.getElementsByTagName("book");
document.write("Book elements before: " + y.length);
document.write("<br>");
x.insertBefore(newNode,y[3]);
y=xmlDoc.getElementsByTagName("book");
document.write("Book elements after: " + y.length);
</script>
</body>
</html>
 
 
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运行结果
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