The nodeName, nodeValue, and nodeType properties contain information about nodes.
The examples below use the XML file books.xml.
Get the node
name of an element node
This example uses the nodeName property to get the node name of the root element in "books.xml".
Get the text
from a text node
This example uses the nodeValue property to get the text of the first <title>
element in "books.xml".
Change the
text in a text node
This example uses the nodeValue property to change the text of the first <title>
element in "books.xml".
Get the node name
and type of an element node
This example uses the nodeName and nodeType property to get node name and type of the root element in
"books.xml".
In the XML DOM, each node is an object.
Objects have methods and properties, that can be accessed and manipulated by JavaScript.
Three important node properties are:
The nodeName property specifies the name of a node.
The nodeValue property specifies the value of a node.
The following code retrieves the text node value of the first <title> element:
var x = xmlDoc.getElementsByTagName("title")[0].childNodes[0];
var txt = x.nodeValue;
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Result: txt = "Everyday Italian"
Example explained:
The following code changes the text node value of the first <title> element:
var
x = xmlDoc.getElementsByTagName("title")[0].childNodes[0];
x.nodeValue = "Easy Cooking";
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Example explained:
The nodeType property specifies the type of node.
nodeType is read only.
The most important node types are:
| Node type | NodeType |
|---|---|
| Element | 1 |
| Attribute | 2 |
| Text | 3 |
| Comment | 8 |
| Document | 9 |