XML DOM Clone Nodes
Examples
The examples below use the XML file
books.xml.
A function, loadXMLDoc(), in an external JavaScript is used to load the XML file.
Copy a node
and append it to an existing node
This example uses cloneNode() to copy a node and append it to
the root node of the XML document
Copy a Node
The cloneNode() method creates a copy of a specified node.
The cloneNode() method has a parameter (true or false). This
parameter indicates if the cloned node should include all attributes and child
nodes of the original node.
The following code fragment copies the first <book> node and appends it
to the root node of the document:
xmlDoc=loadXMLDoc("books.xml");
oldNode=xmlDoc.getElementsByTagName('book')[0];
newNode=oldNode.cloneNode(true);
xmlDoc.documentElement.appendChild(newNode);
//Output all titles
y=xmlDoc.getElementsByTagName("title");
for (i=0;i<y.length;i++)
{
document.write(y[i].childNodes[0].nodeValue);
document.write("<br />");
}
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Output:
Everyday Italian
Harry Potter
XQuery Kick Start
Learning XML
Everyday Italian
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Example explained:
- Load "books.xml"
into xmlDoc using loadXMLDoc()
- Get the node to copy
- Copy the node into "newNode" using the cloneNode method
- Append the new node to the the root node of the XML document
- Output all titles for all books in the document
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