DOMImplementation

The DOMImplementation interface represents an object providing methods which are not dependent on any particular document. Such an object is returned by the Document.implementation property.

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Methods

createDocument()

createDocument(
   namespace, 
   qualifiedName, 
   doctype?
): XMLDocument;

The DOMImplementation.createDocument() method creates and returns an XMLDocument.

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Parameters

Parameter	Type
namespace	string | null
qualifiedName	string | null
doctype?	DocumentType | null

Returns

XMLDocument

---

createDocumentType()

createDocumentType(
   name, 
   publicId, 
   systemId
): DocumentType;

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().

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Parameters

Parameter	Type
name	string
publicId	string
systemId	string

Returns

DocumentType

---

createHTMLDocument()

createHTMLDocument(title?): Document;

The DOMImplementation.createHTMLDocument() method creates a new HTML Document.

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Parameters

Parameter	Type
title?	string

Returns

Document

---

hasFeature()

hasFeature(...args): true;

The DOMImplementation.hasFeature() method returns a boolean flag indicating if a given feature is supported. It is deprecated and modern browsers return true in all cases.

Parameters

Parameter	Type
...args	any[]

Returns

true

Deprecated

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