XML DOM | DocumentType Object

Hello folks! welcome back to a new section of our tutorial on XML DOM. In this tutorial post, we are going to be studying about the XML DOM DocumentType Object.

The XML DOM DocumentType object acts as an interface to the entities described for an XML document. Each of the documents contains a doctype attribute, that value can be a null or a DocumentType object.

DocumentType Object Methods

XML DOM DocumentType inherits methods from its parent Node and then implements the childNode interface.

DocumentType Object Attributes

The following table lists the attributes of the DocumentType object -

Attribute	Type	Description
name	DOMString	It returns the name of the DTD which is written immediately next to the keyword !DOCTYPE.
entities	NamedNodeMap	It returns a NamedNodeMap object containing the general entities, both external and internal, declared in the DTD.
notations	NamedNodeMap	It returns a NamedNodeMap containing the notations declared in the DTD.
internalSubset	DOMString	It returns an internal subset as a string, or null if there is none.
publicId	DOMString	It returns the public identifier of the external subset.
systemId	DOMString	It returns the system identifier of the external subset. This may be an absolute URI or not.

READ: XML DOM | DOMImplementation Object

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will be studying about XML DOM DocumentType name Attribute.

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