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XML DOM replaceChild() Method

Node Object Reference Complete Node Object Reference

Definition and Usage

The replaceChild() method replaces a child node with another.

This function returns the replaced node on success, or NULL on failure.

Syntax

elementNode.replaceChild(new_node,old_node)

Parameter Description
new_node Required. Specifies the new node
old_node Required. Specifies the child node to replace
 

Example

The following code fragment loads "books.xml" into xmlDoc using loadXMLDoc() and replaces the first <book> node:

xmlDoc=loadXMLDoc("books.xml");

x=xmlDoc.documentElement;

//create a book element
newNode=xmlDoc.createElement("book");

y=xmlDoc.getElementsByTagName("book")[0]
//replace the first book node with the new node
x.replaceChild(newNode,y);

Try-It-Yourself Demos

replaceChild() - Replace an element node

Node Object Reference Complete Node Object Reference

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