Checks that the DOMImplementation api arguments are correctly validated On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". DocumentType createDocumentType(DOMString qualifiedName, DOMString publicId, DOMString systemId); PASS document.implementation.createDocumentType() threw exception TypeError: Failed to execute 'createDocumentType' on 'DOMImplementation': 3 arguments required, but only 0 present.. PASS document.implementation.createDocumentType("qualifiedName") threw exception TypeError: Failed to execute 'createDocumentType' on 'DOMImplementation': 3 arguments required, but only 1 present.. PASS document.implementation.createDocumentType("qualifiedName", "publicId") threw exception TypeError: Failed to execute 'createDocumentType' on 'DOMImplementation': 3 arguments required, but only 2 present.. PASS docType = document.implementation.createDocumentType("qualifiedName", "publicId", "systemId") did not throw exception. PASS docType.__proto__ is DocumentType.prototype PASS docType.name is "qualifiedName" PASS docType.publicId is "publicId" PASS docType.systemId is "systemId" XMLDocument createDocument(DOMString? namespace, [TreatNullAs=EmptyString] DOMString qualifiedName, DocumentType? doctype); PASS document.implementation.createDocument() threw exception TypeError: Failed to execute 'createDocument' on 'DOMImplementation': 2 arguments required, but only 0 present.. PASS document.implementation.createDocument("namespace") threw exception TypeError: Failed to execute 'createDocument' on 'DOMImplementation': 2 arguments required, but only 1 present.. PASS document.implementation.createDocument("namespace", "qualifiedName") did not throw exception. PASS doc = document.implementation.createDocument("namespace", "qualifiedName", null) did not throw exception. PASS testDocument.__proto__ is window["XMLDocument"].prototype PASS testDocument.documentElement.tagName is "qualifiedName" PASS testDocument.documentElement.namespaceURI is "namespace" PASS testDocument.doctype is null PASS doc = document.implementation.createDocument(null, "qualifiedName", null) did not throw exception. PASS testDocument.__proto__ is window["XMLDocument"].prototype PASS testDocument.documentElement.tagName is "qualifiedName" PASS testDocument.documentElement.namespaceURI is null PASS testDocument.doctype is null PASS doc = document.implementation.createDocument("", null, null) did not throw exception. PASS testDocument.__proto__ is window["XMLDocument"].prototype PASS testDocument.documentElement is null PASS testDocument.doctype is null PASS doc = document.implementation.createDocument("", "", null) did not throw exception. PASS testDocument.__proto__ is window["XMLDocument"].prototype PASS testDocument.documentElement is null PASS testDocument.doctype is null PASS doc = document.implementation.createDocument("namespace", "qualifiedName") did not throw exception. PASS testDocument.__proto__ is window["XMLDocument"].prototype PASS testDocument.documentElement.tagName is "qualifiedName" PASS testDocument.documentElement.namespaceURI is "namespace" PASS testDocument.doctype is null PASS doc = document.implementation.createDocument("namespace", "qualifiedName", docType) did not throw exception. PASS testDocument.__proto__ is window["XMLDocument"].prototype PASS testDocument.documentElement.tagName is "qualifiedName" PASS testDocument.documentElement.namespaceURI is "namespace" PASS testDocument.doctype is testDocType Document createHTMLDocument(optional DOMString title); PASS doc = document.implementation.createHTMLDocument() did not throw exception. PASS testDocument.__proto__ is window["HTMLDocument"].prototype PASS testDocument.documentElement.tagName is "HTML" PASS testDocument.documentElement.namespaceURI is "http://www.w3.org/1999/xhtml" PASS testDocument.doctype is testDocType PASS doc = document.implementation.createHTMLDocument("title") did not throw exception. PASS testDocument.__proto__ is window["HTMLDocument"].prototype PASS testDocument.documentElement.tagName is "HTML" PASS testDocument.documentElement.namespaceURI is "http://www.w3.org/1999/xhtml" PASS testDocument.doctype is testDocType PASS successfullyParsed is true TEST COMPLETE