XML DOM - DocumentType object

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# XML DOM - The DocumentType Object

The DocumentType object provides an interface to the entities defined for an XML document.

## The DocumentType object

Each document has a DOCTYPE attribute that whose value is either null or a DocumentType object.

The DocumentType object provides an interface to the entities defined for an XML document.

IE: Internet Explorer, F: Firefox, O: Opera, W3C: World Wide Web Consortium (Internet Standard)

### DocumentType Object Properties

Property | Description | IE | F | O | W3C
--- | --- | --- | --- | --- | ---
entities | Returns a NamedNodeMap containing the entities declared in the DTD | 6 | No | 9 | Yes
internalSubset | Returns the internal DTD as a string | No | No | No | Yes
name | Returns the name of the DTD | 6 | 1 | 9 | Yes
notations | Returns a NamedNodeMap containing the notations declared in the DTD | 6 | No | 9 | Yes
systemId | Returns the system identifier of the external DTD | No | 1 | 9 | Yes

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