The DocumentType interface represents a Node containing a doctype.

Inherits properties from its parent, Node.

DocumentType.name Read only

The type of the document. It is always "html" for HTML documents, but will vary for XML documents.

DocumentType.publicId Read only

A string with an identifier of the type of document. Always empty ("") for HTML, it will be, for example, "-//W3C//DTD SVG 1.1//EN" for SVG documents.

DocumentType.systemId Read only

A string containing the URL to the associated DTD. Always empty ("") for HTML, it will be, for example, "http://www.w3.org/2000/svg" for SVG documents.

Inherits methods from its parent, Node.

DocumentType.after()

Inserts a set of Node or string objects in the children list of the object's parent, just after this node.

DocumentType.before()

Inserts a set of Node or string objects in the children list of the object's parent, just before this node.

DocumentType.remove()

Removes this object from its parent children list.

DocumentType.replaceWith()

Replaces the document type with a set of given nodes.

• The DOM interfaces index.
• DOMImplementation.createDocumentType() to create a new DocumentType node.