DOMImplementation: createDocumentType() method

The DOMImplementation.createDocumentType() method returns a DocumentType object which can either be used with DOMImplementation.createDocument upon document creation or can be put into the document via methods like Node.insertBefore() or Node.replaceChild().

Syntax

js
createDocumentType(name, publicId, systemId)

Parameters

name

A string containing the name of the doctype, like html. Corresponds to the DocumentType.name property.

publicId

A string containing the PUBLIC identifier. Corresponds to the DocumentType.publicId property.

systemId

A string containing the SYSTEM identifiers. Corresponds to the DocumentType.systemId property.

Return value

A DocumentType.

Examples

js
const dt = document.implementation.createDocumentType(
  "svg",
  "-//W3C//DTD SVG 1.1//EN",
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd",
);
const d = document.implementation.createDocument(
  "http://www.w3.org/2000/svg",
  "svg:svg",
  dt,
);
console.log(d.doctype.publicId); // -//W3C//DTD SVG 1.1//EN

Specifications

See also