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HTML DOM Node Information

The nodeName, nodeValue, and nodeType properties contain information about nodes.

Node Information

Every node has some properties that contain some information about the node. The properties are:

nodeName
nodeValue
nodeType

nodeName

The nodeName property contains the name of a node.

The nodeName of an element node is the tag name
The nodeName of an attribute node is the attribute name
The name of a text node is always #text
The name of the document node is always #document

Note: nodeName always contains the uppercase tag name of an HTML element.

nodeValue

On text nodes, the nodeValue property contains the text.

On attribute nodes, the nodeValue property contains the attribute value.

The nodeValue property is not available on document and element nodes.

nodeType

The nodeType property returns the type of node.

The most important node types are:

Element type	NodeType
Element	1
Attribute	2
Text	3
Comment	8
Document	9

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