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XML DOM insertBefore() Method

Element Object Reference Complete Element Object Reference

Definition and Usage

The insertBefore() method inserts a new child node before an existing child node.

This method returns the new child node.

Syntax

elementNode.insertBefore(new_node,existing_node)

Parameter Description
new_node Required. The node to insert
existing_node Required. The existing node. The new node is inserted before this node.

Example

The following code fragment loads "books.xml" into xmlDoc using loadXMLDoc(), creates a new <book> node and inserts it before the last <book> element:

Example

xmlDoc=loadXMLDoc("books.xml");

newNode=xmlDoc.createElement("book");

x=xmlDoc.documentElement;
y=xmlDoc.getElementsByTagName("book")[3];

x.insertBefore(newNode,y);

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Element Object Reference Complete Element Object Reference

From http://www.w3schools.com (Copyright Refsnes Data)