在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
<script src="loadxmldoc.js.html"> 
</script>
</head>
<body>

<script>
xmlDoc=loadXMLDoc("books_cdata.xml");

x=xmlDoc.getElementsByTagName("html")[0].childNodes[0];

x.insertData(3,"Wonderful and ");
document.write(x.data);
</script>
</body>
</html>

源代码

动行结果