XML DOM Example

The following examples use an XML file books.xml.

XML DOM loads XML

• Load and parse an XML file
• Load and parse an XML file (part two)
• Load and parse an XML string
• Load and parse an XML string (part two)

Accessing Nodes in XML DOM

• Access a node using the index number in the node list
• Use the length property to loop through the node list
• View the node type of an element
• Loop through element nodes
• Use node relationships to loop through element nodes

Example explanation: Access a node

XML DOM Node Information

• Get the node name of an element node
• Get the text in a text node
• Change the text in a text node
• Get the node name and type of an element node

Example explanation: Node information

XML DOM node list and attribute list

• Get the text in the first <title> element
• Use the length property to loop through the node list
• Get the attributes of an element

Example explanation: Node list

XML DOM Traversing the Node Tree

• Traverse the node tree
• Display the length of the node list

Example explanation: Traverse the node tree

Locating Nodes in XML DOM

• Get the parent node of a node
• Get the first child element of a node
• Get the last child element of a node
• Get the next sibling element of a node
• Get the previous sibling element of a node

Example explanation: Locate a node

XML DOM Getting Node Value

• Get the text value of an element
• Get the text value of an attribute

Example explanation: Get node value

XML DOM Changing Node Value

• Change the text node of an element
• Use setAttribute to change attribute value
• Use nodeValue to change attribute value

Example explanation: Change node value

Deleting Nodes in XML DOM

• Delete an element node
• Delete the current element node
• Delete a text node
• Clear the text in a text node
• Delete an attribute by name
• Delete an attribute by object

Example explanation: Delete a node

Replacing Nodes in XML DOM

• Replace an element node
• Replace the data in a text node

Example explanation: Replace a node

Creating Nodes in XML DOM

• Create an element node
• Use createAttribute to create an attribute node
• Use setAttribute to create an attribute node
• Create a text node
• Create a CDATA section node
• Create a comment node

Example explanation: Create a node

Adding Nodes in XML DOM

• Add a node after the last child node
• Add a Node Before the Specified Child Node
• Add New Attribute
• Add Data to Text Node

Example Explanation: Add Node

Cloning Nodes in XML DOM

• Copy Node and Append It to an Existing Node

Example Explanation: Clone Node