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DOMImplementation.createDocumentType

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

doctype = document.implementation.createDocumentType(qualifiedNameStr, publicId, systemId)

Parameters

qualifiedNameStr: Is a DOMString containing the qualified name, like svg:svg.

publicId: Is a DOMString containing the PUBLIC identifier.

systemId: Is a DOMString containing the SYSTEM identifiers.

Example

var dt = document.implementation.createDocumentType('svg:svg', '-//W3C//DTD SVG 1.1//EN', 'http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd');
var d = document.implementation.createDocument('http://www.w3.org/2000/svg', 'svg:svg', dt);
alert(d.doctype.publicId); // -//W3C//DTD SVG 1.1//EN

Specifications

Specification	Status	Comment
DOM The definition of 'DOMImplementation.createDocumentType' in that specification.	Living Standard	No change from Document Object Model (DOM) Level 3 Core Specification
Document Object Model (DOM) Level 3 Core Specification The definition of 'DOMImplementation.createDocumentType' in that specification.	Obsolete	No change from Document Object Model (DOM) Level 2 Core Specification
Document Object Model (DOM) Level 2 Core Specification The definition of 'DOMImplementation.createDocumentType' in that specification.	Obsolete	Initial definition.

Browser compatibility

Feature	Chrome	Edge	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic support	(Yes)	(Yes)	1.0 (1.7 or earlier) [1]	9.0	(Yes)	(Yes)

Feature	Android	Edge	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Safari Mobile
Basic support	(Yes)	(Yes)	1.0 (1.0) [1]	(Yes)	(Yes)	(Yes)