Comparison of layout engines (Document Object Model)

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The following tables compare DOM compatibility and support for a number of layout engines. Please see the individual products' articles for further information. Unless otherwise specified in footnotes, comparisons are based on the stable versions without any add-ons, extensions or external programs.

For features that are fully supported (based on DOM Level 2 or DOM Level 3 modules that are under W3C Recommendation), an exact version number is given if it is certain that the feature was added in such version. DOM Level 0 and DOM Level 3 modules that are still under development are not included.

Explanation of the tables[edit]

Engine	Status	Embedded in
WebKit	Active	Safari browser, plus all browsers hosted on the iOS App Store
Blink	Active	Google Chrome and all other Chromium-based browsers like Opera and Microsoft Edge
Gecko	Active	Firefox browser and Thunderbird email client, plus forks like SeaMonkey and Waterfox
KHTML	Discontinued	Konqueror browser
Presto	Discontinued	formerly in the Opera browser
EdgeHTML	Discontinued	formerly in the Microsoft Edge browser
Trident	Discontinued	Internet Explorer browser and Microsoft Outlook email client

Values[edit]

These indicate the level of support for the given item in each engine. By default, the most recent version of the engine is implied. However, a specific version number can be listed; when this indicates full support, it's the initial version of the engine fully supporting the item.

Value	Meaning
Yes	Fully supported
No	Has never been supported
Partial	Only some values are supported
Incorrect	Not implemented correctly in all cases
Experimental	May be incomplete or buggy
Nightly build	Currently in development; full support is expected
Depends	Only supported for the specified conditions
Dropped	No longer supported

General overview[edit]

	Trident	Tasman	Gecko	WebKit	KHTML	Presto
DOM1	6.0	Yes	1.0	85	Yes	1.0
DOM2	Mostly	Partial	Mostly	Partial	Mostly	Mostly
DOM3	No	No	Partial	Partial	Partial	Partial

Core (Fundamental)[edit]

The interfaces within this section are considered fundamental, and must be fully implemented by all conforming implementations of the DOM, including all HTML DOM implementations.

		Trident	Tasman	Gecko	WebKit	KHTML	Presto
Exception DOMException
DOM1	`code`	5.0^{[t 1]}	?	1.0	?	?	1.0
Interface DOMStringList
DOM3	`length`	6.0^{[t 2]}	No	1.6	No	?	2.0
	`contains()`					?
	`item()`					?
Interface NameList
DOM3	`length`	No	No	1.6	No	No	No
	`getName()`
	`getNamespaceURI()`
	`contains()`
	`containsNS()`
Interface DOMImplementationList
DOM3	`length`	No	No	No	No	No	No
DOM3	`item()`	No	No	No	No	No	No
Interface DOMImplementationSource
DOM3	`getDOMImplementation()`	No	No	No	No	No	No
DOM3	`getDOMImplementationList()`	No	No	No	No	No	No
Interface DOMImplementation
DOM1	`hasFeature()`	6.0	?	1.0	Yes	?	1.0
DOM2	`createDocumentType()`	9.0^{[t 3]}	No			?	1.0
DOM2	`createDocument()`	9.0^{[t 3]}				?	1.0
DOM3	`getFeature()`	No		No	No	?	1.0
Interface DocumentFragment
DOM1	`(no properties)`	6.0	No	1.0	?	?	1.0
Interface Document
DOM1	`doctype`	9.0	Yes	Partial	Yes	?	1.0
	`createElement()`	4.0		1.0		?
	`createTextNode()`	5.0				?
	`createAttribute()`	6.0				?
	`documentElement`	5.0				?
	`getElementsByTagName()`	5.0				?
	`implementation`	6.0				?
	`createDocumentFragment()`		No			?
	`createComment()`					?
	`createCDATASection()`	9.0^{[t 3]}				?
	`createProcessingInstruction()`	9.0^{[t 3]}	?	1.7		?
	`createEntityReference()`	No	?	No [1]		?	No
DOM2	`importNode()`	9.0^{[t 3]}	No	1.0	Yes	?	1.0
	`createElementNS()`					?
	`createAttributeNS()`					?
	`getElementsByTagNameNS()`					?
	`getElementById()`	8.0	Yes			?	2.1
DOM3	`adoptNode()`	9.0^{[t 3]}	No	1.7	Yes	?	2.0
	`inputEncoding`				No	?	No
	`xmlEncoding`					?
	`xmlStandalone`					?
	`xmlVersion`					?
	`domConfig`	No		No		?
	`strictErrorChecking`			1.7		?
	`documentURI`					?
	`normalizeDocument()`					?
	`renameNode()`					?
Interface Node
DOM1	`nodeName`	5.0	Yes	1.0	Yes	?	1.0
	`nodeValue`					?
	`nodeType`					?
	`parentNode`					?
	`childNodes`					?
	`firstChild`					?
	`lastChild`					?
	`previousSibling`					?
	`nextSibling`					?
	`attributes`					?
	`cloneNode()`					?
	`insertBefore()`			Partial		?
	`replaceChild()`					?
	`removeChild()`					?
	`appendChild()`					?
	`ownerDocument`	6.0		1.9		?
	`hasChildNodes()`	6.0		1.0		?
DOM2	`namespaceURI`	5.0	Yes	1.0	Yes	?	1.0
	`prefix`					?
	`localName`					?
	`isSupported()`	9.0^{[t 3]}				?
	`hasAttributes()`	9.0^{[t 3]}				?
DOM3	`isSameNode()`	9.0	No	1.8	Yes	?	2.1
	`compareDocumentPosition()`	9.0^{[t 3]}		1.7		4.2.4	2.1
	`baseURI`	No				?	Yes
	`textContent`	9.0^{[t 3]}				?	2.0
	`lookupPrefix()`					?
	`isDefaultNamespace()`					?
	`lookupNamespaceURI()`					?
	`getFeature()`	No				?
	`setUserData()`					?	No
	`getUserData()`					?	No
	`isEqualNode()`	9.0^{[t 3]}		1.9		?	2.7
Interface NodeList
DOM1	`length`	5.0	Yes	1.0	Yes	?	1.0
DOM1	`item()`	5.0	Yes	1.0	Yes	?	1.0
Interface NamedNodeMap
DOM1	`length`	5.0	Yes	1.0	Yes	?	1.0
	`getNamedItem()`					?
	`setNamedItem()`					?
	`removeNamedItem()`					?
	`item()`					?
DOM2	`getNamedItemNS()`	9.0^{[t 3]}	No	1.0	Yes	?	1.0
	`setNamedItemNS()`					?
	`removeNamedItemNS()`					?
Interface CharacterData
DOM1	`data`	4.0	Yes	1.0	Yes	?	1.0
	`length`					?
	`substringData()`					?
	`appendData()`					?
	`insertData()`					?
	`deleteData()`					?
	`replaceData()`					?
Interface Attr
DOM1	`name`	6.0	?	1.0	Yes	Yes	1.0
	`value`	6.0	?	1.0	Yes	Yes
	`specified`	Incorrect	Incorrect	1.9.1	Yes	Yes
DOM2	`ownerElement`	9.0^{[t 3]}	?	1.0	Yes	Yes	1.0
DOM3	`schemaTypeInfo`	No	No	No	No	?	No
DOM3	`isId`	No	No	1.9	No	No	No
Interface Element
DOM1	`tagName`	4.0	Yes	1.0	Yes	Yes	1.0
	`getElementsByTagName()`	4.0
	`getAttribute()`	8.0
	`setAttribute()`
	`removeAttribute()`
	`getAttributeNode()`	6.0
	`setAttributeNode()`	9.0^{[t 3]}
	`removeAttributeNode()`
	`normalize()`				No	?
DOM2	`getAttributeNS()`	9.0^{[t 3]}	Yes	1.0	Yes	?	1.0
	`setAttributeNS()`					?
	`removeAttributeNS()`					?
	`getAttributeNodeNS()`					?
	`setAttributeNodeNS()`					?
	`getElementsByTagNameNS()`		No			?
	`hasAttribute()`		Yes			?
	`hasAttributeNS()`		Yes			?
DOM3	`schemaTypeInfo`	No	No	No	No	?	No
	`setIdAttribute()`					?
	`setIdAttributeNS()`					?
	`setIdAttributeNode()`					?
Interface Text
DOM1	`splitText()`	9.0^{[t 3]}	Yes	1.0	Yes	?	1.0
DOM3	`isElementContentWhitespace`	No	No	1.9.1	No	?	Yes
	`wholeText`	9.0^{[t 3]}				?	2.1
	`replaceWholeText()`	9.0^{[t 3]}				?	2.1
Interface Comment
DOM1	`(no properties)`	6.0	No	1.0	Yes	?	1.0
Interface TypeInfo
DOM3	`typeName`	No	No	No	No	No	No
	`typeNamespace`
	`isDerivedFrom()`
Interface UserDataHandler
DOM3	`handle()`	No	No	No	No	No	No
Interface DOMError
DOM3	`severity`	No	No	No	No	No	2.0
	`message`
	`type`
	`location`
	`relatedData`
	`relatedException`						No
Interface DOMErrorHandler
DOM3	`handleError()`	No	No	No	No	No	2.0
Interface DOMLocator
DOM3	`lineNumber`	No	No	No	No	No	2.0
	`columnNumber`
	`byteOffset`
	`utf16Offset`
	`relatedNode`
	`uri`
Interface DOMConfiguration
DOM3	`parameterNames`	No	No	No	No	?	2.0
	`setParameter()`					?
	`getParameter()`					?
	`canSetParameter()`					?

Trident Core (Fundamental) notes[edit]

doctype — Prior to version 9.0, returns true when checked but always contains null.
getElementById() — Prior to version 8.0 returned elements with name attribute set to value being found, not only id.^{[t 4]}
getAttribute(), setAttribute(), removeAttribute() — prior to version 8.0 returned, set, or removed, respectively, the corresponding DOM property instead of the string value of the attribute.
AttributeNode.specified — Does not set specified to true if ownerElement is null.
Node.isSameNode — Prior to version 9.0, only supported for XML documents.

Tasman Core (Fundamental) notes[edit]

AttributeNode.specified — Does not set specified to true if ownerElement is null.

Gecko Core (Fundamental) notes[edit]

insertBefore(), replaceChild(), removeChild(), appendChild() — Fails on Attr nodes.^{[g 1]} appendChild does not work as expected for DocumentFragment nodes prior to 1.8.
AttributeNode.specified — Prior to 1.9.1 does not set specified to true if ownerElement is null. Does not create Attribute Nodes for default values specified in the DTD.

Presto Core (Fundamental) notes[edit]

getElementById() — Versions prior to Opera 9.50 returns elements with name attribute set to value being found, not only id.^{[p 1]}
URI attribute value — In versions prior to Opera 9, all URI attribute values are resolved to full URI. Hence the value from getAttribute() and getAttributeNode() could be wrong if relative URIs are used.
Attributes that are not supported in the layout engine are still parsed and available through DOM. E.g. char and charoff are available under .ch and .chOff.
In Opera 8.54 methods DOMImplementation.createDocument and DOMDocument.createElementNS both fail to accept any non-empty namespace URI. They work in Opera 9 Beta 2 and they may also have worked before (somebody with Opera 8, please check.) The symptom is that the namespaceURI property is null/empty and serialization gives wrong result.

WebKit Core (Fundamental) notes[edit]

AttributeNode.specified — Does not create Attribute Nodes for default values specified in the DTD.

KHTML Core (Fundamental) notes[edit]

AttributeNode.specified — Does not create Attribute Nodes for default values specified in the DTD.

Core (Extended)[edit]

The interfaces defined here form part of the DOM Core specification, but objects that expose these interfaces will never be encountered in a DOM implementation that deals only with HTML.

		Trident	Tasman	Gecko	WebKit	KHTML	Presto
Interface CDATASection
DOM1	`(no properties)`	No	No	1.0	Yes	?	2.0
Interface DocumentType
DOM1	`name`	No	No	1.0	Yes	?	1.0
	`entities`			No^{[g 2]}		?
	`notations`			No^{[g 2]}		?
DOM2	`publicId`	No	No	1.0	Yes	?	1.0
	`systemId`					?
	`internalSubset`					?
Interface Notation
DOM1	`publicId`	No	No	1.0	Yes	?	2.0
DOM1	`systemId`	No	No	1.0	Yes	?	2.0
Interface Entity
DOM1	`publicId`	No	No	1.0	Yes	?	No
	`systemId`					?
	`notationName`					?
DOM3	`inputEncoding`	No	No	No	No	?	No
	`xmlEncoding`					?
	`xmlVersion`					?
Interface EntityReference
DOM1	`(no properties)`	No	No	1.0	Yes	?	No
Interface ProcessingInstruction
DOM1	`target`	No	No	1.0	Yes	?	2.0
DOM1	`data`	No	No	1.0	Yes	?	2.0

HTML[edit]

The interfaces found within this section are not mandatory. This section extends the DOM Core API to describe objects and methods specific to HTML documents, and XHTML documents. In general, the functionality needed to manipulate hierarchical document structures, elements, and attributes will be found in the core section; functionality that depends on the specific elements defined in HTML will be found in this section. Elements deprecated since HTML 4.01 are not listed. Some elements and attributes listed here are deprecated in XHTML 1.1. For example, presentation attributes, image maps, frames and targets.

		Trident	Tasman	Gecko	WebKit	KHTML	Presto
Interface HTMLCollection
DOM1	`length`	7.0	?	1.0	?	?	1.0
	`item()`		?		?	?
	`namedItem()`		?		?	?
Interface HTMLOptionsCollection
DOM2	`length`	?	?	1.0	?	?	2.0
	`item()`	?	?		?	?
	`namedItem()`	?	?		?	?
Interface HTMLDocument
DOM1	`domain`	4.0	Yes	1.0	Yes	?	1.0
	`URL`					?
	`body`					?
	`images`					?
	`applets`					?
	`title`	3.0				?
	`referrer`					?
	`links`					?
	`forms`					?
	`anchors`					?
	`cookie`					?
	`open()`					?
	`close()`					?
	`write()`					?
	`writeln()`					?
	`getElementsByName()`	Yes	?			?
Interface HTMLElement
DOM1	`id`	4.0	Yes	1.0	?	?	1.0
	`title`				?	?
	`lang`				?	?
	`className`				?	?
	`dir`	5.0			?	?
Interface HTMLHtmlElement
DOM1	`version`	6.0	?	1.0	?	?	2.0
Interface HTMLHeadElement
DOM1	`profile`	8.0	?	1.0	?	?	1.0
Interface HTMLLinkElement
DOM1	`disabled`	4.0	Yes	1.0	?	?	1.0
	`charset`	4.0			?	?
	`href`	8.0			?	?
	`hreflang`	4.0			?	?
	`media`				?	?
	`rel`				?	?
	`rev`				?	?
	`target`				?	?
	`type`				?	?
Interface HTMLTitleElement
DOM1	`text`	4.0	Yes	1.0	?	?	1.0
Interface HTMLMetaElement
DOM1	`content`	4.0	Yes	1.0	?	?	1.0
	`httpEquiv`				?	?
	`name`				?	?
	`scheme`	6.0	?		?	?	2.0
Interface HTMLBaseElement
DOM1	`href`	8.0	Yes	1.0	?	?	2.0
DOM1	`target`	4.0	Yes	1.0	?	?	2.0
Interface HTMLStyleElement
DOM2	`disabled`	?	?	1.0	?	?	1.0
	`media`	4.0	Yes		?	?
	`type`	4.0	Yes		?	?
Interface HTMLBodyElement
DOM1	`aLink`	4.0	Yes	1.0	?	?	1.0
	`background`	8.0			?	?
	`bgColor`	4.0			?	?
	`link`				?	?
	`text`				?	?
	`vLink`				?	?
Interface HTMLFormElement
DOM1	`action`	8.0	Yes	1.9	?	?	1.0
	`acceptEncoding`	?	?	1.0	?	?
	`elements`	3.0	Yes		?	?
	`length`				?	?
	`name`				?	?
	`enctype`	4.0			?	?
	`method`	3.0			?	?
	`target`				?	?
	`submit()`				?	?
	`reset()`	4.0			?	?
Interface HTMLSelectElement
DOM1	`selectedIndex`	3.0	Yes	1.0	?	?	1.0
	`length`				?	?
	`options`				?	?
	`name`				?	?
	`size`	4.0			?	?
	`type`				?	?
	`value`				?	?
	`disabled`	5.0			?	?
	`multiple`	5.0			?	?
	`form`	?	?		?	?
	`tabIndex`	?	?		?	?
	`add()`	?	?		?	?
	`remove()`	?	?		?	?
	`blur()`	3.0	Yes		?	?
	`focus()`	3.0	Yes		?	?
Interface HTMLOptGroupElement
DOM1	`disabled`	?	?	1.0	?	?	2.0
DOM1	`label`	No	Yes	1.0	?	?	2.0
Interface HTMLOptionElement
DOM1	`form`	4.0	Yes	1.0	?	?	1.0
	`defaultSelected`				?	?
	`text`				?	?
	`index`	?	?		?	?
	`disabled`	?	?		?	?
	`label`	6.0	Yes		?	?	2.0
	`selected`	4.0			?	?	1.0
	`value`	4.0			?	?	1.0
Interface HTMLInputElement
DOM1	`defaultValue`	3.0	Yes	1.0	?	?	1.0
	`defaultChecked`				?	?
	`form`				?	?
	`accept`	?	?		?	?
	`accesskey`	?	?		?	?
	`align`	?	?		?	?
	`alt`	?	?		?	?
	`checked`	3.0	Yes		?	?
	`disabled`	5.0			?	?
	`maxLength`	4.0			?	?	2.0
	`name`	3.0			?	?	1.0
	`readOnly`	4.0			?	?
	`size`				?	?
	`src`			1.9	?	?
	`tabIndex`	?	?	1.0	?	?
	`type`	4.0	Yes		?	?
	`useMap`	?	?		?	?
	`value`	3.0	Yes		?	?
	`blur()`				?	?
	`focus()`				?	?
	`select()`				?	?
	`click()`				?	?
Interface HTMLTextAreaElement
DOM1	`defaultValue`	3.0	Yes	1.0	?	?	1.0
	`form`	3.0	Yes		?	?
	`accesskey`	?	?		?	?
	`cols`	4.0	Yes		?	?
	`disabled`	5.0			?	?
	`name`	3.0			?	?
	`readOnly`	4.0			?	?
	`rows`	4.0			?	?
	`tabIndex`	?	?		?	?
	`type`	4.0	Yes		?	?
	`value`	3.0			?	?
	`blur()`				?	?
	`focus()`				?	?
	`select()`				?	?
Interface HTMLButtonElement
DOM1	`form`	3.0	Yes	1.0	?	?	1.0
	`accesskey`	?	?		?	?
	`disabled`	5.0	Yes		?	?
	`name`	3.0	Yes		?	?
	`tabIndex`	?	?		?	?
	`type`	3.0	Yes		?	?
	`value`	3.0	Yes		?	?
Interface HTMLLabelElement
DOM1	`form`	6.0	Yes	1.0	?	?	1.0
	`accesskey`	5.0			?	?
	`htmlFor`	4.0			?	?
Interface HTMLFieldSetElement
DOM1	`form`	5.0	Yes	1.0	?	?	1.0
Interface HTMLLegendElement
DOM1	`form`	5.0	Yes	1.0	?	?	1.0
	`accesskey`	?	?		?	?
	`align`	5.0	Yes		?	?
Interface HTMLUListElement
DOM1	`compact`	4.0	Yes	1.0	?	?	1.0
DOM1	`type`	4.0	Yes	1.0	?	?	1.0
Interface HTMLOListElement
DOM1	`compact`	4.0	Yes	1.0	?	?	1.0
	`start`				?	?
	`type`				?	?
Interface HTMLDListElement
DOM1	`compact`	4.0	Yes	1.0	?	?	1.0
Interface HTMLLIElement
DOM1	`type`	4.0	Yes	1.0	?	?	1.0
DOM1	`value`	4.0	Yes	1.0	?	?	1.0
Interface HTMLDivElement
DOM1	`align`	?	?	1.0	?	?	1.0
Interface HTMLParagraphElement
DOM1	`align`	?	?	1.0	?	?	1.0
Interface HTMLHeadingElement
DOM1	`align`	4.0	Yes	1.0	?	?	1.0
Interface HTMLQuoteElement
DOM1	`cite`	8.0	Yes	1.0	?	?	1.0
Interface HTMLPreElement
DOM1	`width`	?	?	1.0	?	?	1.0
Interface HTMLBRElement
DOM1	`clear`	4.0	Yes	1.0	?	?	1.0
Interface HTMLHRElement
DOM1	`align`	4.0	Yes	1.0	?	?	1.0
	`noShade`				?	?
	`size`				?	?
	`width`				?	?
Interface HTMLModElement
DOM1	`cite`	8.0	?	1.9	?	?	1.0
DOM1	`dateTime`	?	?	1.0	?	?	1.0
Interface HTMLAnchorElement
DOM1	`accesskey`	?	?	1.0	?	?	1.0
	`charset`	6.0	Yes		?	?
	`coords`	6.0			?	?
	`href`	3.0			?	?
	`hreflang`	6.0			?	?
	`name`	4.0			?	?
	`rel`				?	?
	`rev`				?	?
	`shape`	6.0			?	?
	`tabIndex`	?	?		?	?
	`target`	3.0	Yes		?	?
	`type`	6.0	Yes		?	?
	`blur()`	?	?		?	?
	`focus()`	?	?		?	?
Interface HTMLImageElement
DOM1	`name`	4.0	Yes	1.0	?	?	1.0
	`align`				?	?
	`alt`				?	?
	`border`				?	?
	`height`				?	?
	`hspace`				?	?
	`isMap`				?	?
	`longDesc`	8.0	?		?	?	2.0
	`src`	4.0	Yes		?	?	1.0
	`useMap`				?	?
	`vspace`				?	?
	`width`				?	?
Interface HTMLObjectElement
DOM1	`form`	?	?	1.0	?	?	1.0
	`code`	4.0	Yes		?	?
	`align`	4.0	Yes		?	?
	`archive`	?	?		?	?
	`border`	?	?		?	?
	`codeBase`	8.0	Yes		?	?
	`codeType`	4.0			?	?
	`data`	8.0			?	?
	`declare`	?	?		?	?	2.0
	`height`	4.0	Yes		?	?	1.0
	`hspace`				?	?
	`name`				?	?
	`standby`	?	?		?	?
	`tabIndex`	?	?		?	?
	`type`	4.0	Yes		?	?
	`useMap`	?	?		?	?
	`vspace`	4.0	Yes		?	?
	`width`	4.0			?	?
DOM2	`contentDocument`	No			?	?	2.0
Interface HTMLParamElement
DOM1	`name`	?	?	1.0	?	?	1.0
	`type`	?	?		?	?
	`value`	?	?		?	?
	`valueType`	No	?		?	?
Interface HTMLMapElement
DOM1	`areas`	4.0	Yes	1.0	?	?	1.0
DOM1	`name`	4.0	Yes	1.0	?	?	1.0
Interface HTMLAreaElement
DOM1	`accesskey`	?	?	1.0	?	?	1.0
	`alt`	4.0	Yes		?	?
	`coords`	4.0	Yes		?	?
	`hrefs`	?	?		?	?
	`noHrefs`	?	?		?	?
	`shape`	4.0	Yes		?	?
	`tabIndex`	?	?		?	?
	`target`	4.0	Yes		?	?
Interface HTMLScriptElement
DOM1	`text`	4.0	0	1.0	?	?	1.0
	`htmlFor (reserved for future use)`		Yes		?	?	No
	`event (reserved for future use)`		Yes		?	?	2.0
	`charset`	?	?		?	?	1.0
	`defer`	4.0	Yes		?	?
	`src`	8.0			?	?
	`type`	4.0			?	?
	`target`	?	?		?	?
Interface HTMLTableElement
DOM1	`caption`	4.0	Yes	1.0	?	?	1.0
	`tHead`				?	?
	`tFoot`				?	?
	`rows`				?	?
	`tBodies`				?	?
	`align`				?	?
	`bgColor`				?	?
	`border`				?	?
	`cellPadding`				No	?
	`cellSpacing`				?	?
	`frame`				?	?
	`rules`		No		?	?
	`summary`	6.0	No		?	?
	`width`	4.0	Yes		?	?
	`createTHead()`				?	?
	`deleteTHead()`				?	?
	`createTFoot()`				?	?
	`deleteTFoot()`				?	?
	`createCaption()`				?	?
	`deleteCaption()`				?	?
	`insertRow()`				?	?
	`deleteRow()`				?	?
Interface HTMLTableCaptionElement
DOM1	`align`	5.0	Yes	1.0	?	?	1.0
Interface HTMLTableColElement
DOM1	`align`	4.0	Yes	1.0	?	?	1.0
	`ch`	6.0	No		?	?	2.0
	`chOff`	6.0	No		?	?	2.0
	`span`	5.0	Yes		?	?	1.0
	`vAlign`	4.0	Yes		?	?
	`width`	5.0	0		?	?
Interface HTMLTableSectionElement
DOM1	`align`	4.0	Yes	1.0	?	?	1.0
	`ch`	6.0	No		?	?	2.0
	`chOff`	6.0	No		?	?	2.0
	`vAlign`	4.0	Yes		?	?	1.0
	`rows`				?	?
	`insertRow()`				?	?
	`deleteRow()`				?	?
Interface HTMLTableRowElement
DOM1	`rowIndex`	4.0	Yes	1.0	?	?	1.0
	`sectionRowIndex`				?	?
	`cells`				?	?
	`align`				?	?
	`bgColor`				?	?
	`ch`	6.0	No		?	?	2.0
	`chOff`	6.0	No		?	?	2.0
	`vAlign`	4.0	Yes		?	?	1.0
	`insertCell()`				?	?
	`deleteCell()`				?	?
Interface HTMLTableCellElement
DOM1	`cellIndex`	4.0	Yes	1.0	Incorrect	?	1.0
	`abbr`	6.0			?	?	2.0
	`align`	4.0			?	?	1.0
	`axis`	6.0			?	?
	`bgColor`	4.0			?	?
	`ch`	6.0	No		?	?	2.0
	`chOff`	6.0	No		?	?	2.0
	`colSpan`	4.0	Yes		?	?	1.0
	`headers`	6.0			?	?
	`height`	4.0			?	?
	`noWrap`				?	?
	`rowSpan`				?	?
	`scope`	?	?		?	?
	`vAlign`	4.0	Yes		?	?
	`width`	4.0	Yes		?	?
Interface HTMLFrameSetElement
DOM1	`cols`	4.0	Yes	1.0	?	?	1.0
DOM1	`rows`	4.0	Yes	1.0	?	?	1.0
Interface HTMLFrameElement
DOM1	`frameBorder`	4.0	Yes	1.0	?	?	1.0
	`longDesc`	8.0			?	?
	`marginHeight`	6.0			?	?
	`marginWidth`	6.0			?	?
	`name`	4.0			?	?
	`noResize`				?	?
	`scrolling`				?	?
	`src`	8.0			?	?
DOM2	`contentDocument`	No	Yes	1.0	?	?	1.0
Interface HTMLIFrameSetElement
DOM1	`align`	4.0	Yes	1.0	?	?	1.0
	`frameBorder`	?	?		?	?
	`height`	4.0	Yes		?	?
	`longDesc`	8.0			?	?
	`marginHeight`	4.0			?	?
	`marginWidth`				?	?
	`name`				?	?
	`scrolling`				?	?
	`src`	8.0			?	?
	`width`	4.0			?	?
DOM2	`contentDocument`	No			?	?

Trident HTML notes[edit]

profile, href, background, action, cite, longDesc, codebase, data, src — Prior to version 8.0 relative URLs were not resolved to full URLs.^{[t 5]}

WebKit HTML notes[edit]

cellIndex — Always return zero.^{[citation needed]}

Presto HTML notes[edit]

text — Opera 8 and lower returned data at src, when it should return inline data instead.

Style (Style Sheets)[edit]

The interfaces found within this section are not mandatory. The interfaces in this section are base interfaces used to represent any type of style sheet.

		Trident	Tasman	Gecko	WebKit	KHTML	Presto
Interface StyleSheet
DOM2	`type`	6.0	?	1.0	Yes	?	2.0
	`disabled`	6.0	?			?
	`ownerNode`	No	?			?
	`parentStyleSheet`	6.0	?			?
	`href`	8.0	?			?
	`title`	6.0	?			?
	`media`	Incorrect	?			?
Interface StyleSheetList
DOM2	`length`	6.0	?	1.0	Yes	?	2.0
DOM2	`item()`	6.0	?	1.0	Yes	?	2.0
Interface MediaList
DOM2	`mediaText`	No	?	1.0	Yes	?	2.0
	`length`		?			?
	`item()`		?			?
	`deleteMedium()`		?			?
	`appendMedium()`		?			?
Interface LinkStyle
DOM2	`sheet`	No	?	1.0	No	?	2.0
Interface DocumentStyle
DOM2	`styleSheets`	No	?	1.0	No	?	2.0

Trident Style (Style Sheets) notes[edit]

href — Prior to version 8.0 relative URLs were not resolved to full URLs.^{[t 5]}
media — Returns string instead of MediaList.

Style (CSS Fundamental)[edit]

The interfaces within this section are considered fundamental CSS interfaces, and must be supported by all conforming implementations of the CSS module. These interfaces represent CSS style sheets specifically.

		Trident	Tasman	Gecko	WebKit	KHTML	Presto
Interface CSSStyleSheet
DOM2	`ownerRule`	No	?	1.0	?	?	2.0
	`cssRules`		Yes		1.3	?
	`insertRule()`		No		No	?
	`deleteRule()`		No		No	?
Interface StyleSheetList
DOM2	`length`	6.0	?	1.0	?	?	2.0
DOM2	`item()`	6.0	?	1.0	?	?	2.0
Interface CSSRuleList
DOM2	`length`	No	?	1.0	?	?	2.0
DOM2	`item()`	No	?	1.0	?	?	2.0
Interface CSSRule
DOM2	`type`	No	?	1.0	?	?	2.0
	`cssText`		Yes		?	?
	`parentStyleSheet`		Yes		1.3	?
	`parentRule`		?		?	?
Interface CSSStyleRule
DOM2	`selectorText`	6.0	Yes	1.0	1.3	?	2.0
DOM2	`style`	No	?	1.0	?	?	2.0
Interface CSSMediaRule
DOM2	`media`	No	?	1.0	?	?	2.0
	`cssRules`		?		?	?
	`insertRule()`		?		?	?
	`deleteRule()`		?		?	?
Interface CSSFontFaceRule
DOM2	`style`	No	?	1.9.1^{[g 3]}	?	?	2.0
Interface CSSPageRule
DOM2	`selectorText`	No	?	No^{[g 4]}	?	?	2.0
DOM2	`style`	No	?	No^{[g 4]}	?	?	2.0
Interface CSSImportRule
DOM2	`href`	No	Yes	1.0	1.3	?	2.0
	`media`		?		?	?
	`styleSheet`		?		?	?
Interface CSSCharsetRule
DOM2	`encoding`	No	?	1.0	?	?	2.0
Interface CSSUnknownRule
DOM2	`(no properties)`	No	?	No^{[g 5]}	?	?	2.0
Interface CSSStyleDeclaration
DOM2	`cssText`	No	?	1.0	?	?	2.0
	`length`		?		?	?
	`parentRule`		?		?	?
	`getPropertyValue()`		Yes		1.3	?	1.0
	`getPropertyCSSValue()`		?	No^{[g 6]}	?	?	2.0
	`removeProperty()`		No	1.0	1.3	?	1.0
	`getPropertyPriority()`		Incorrect		?	?	2.0
	`setProperty()`		Yes		1.3	?	1.0
	`item()`		?		?	?	2.0
Interface CSSValue
DOM2	`cssText`	No	?	No^{[g 6]}	?	?	No
DOM2	`cssValueType`	No	?	No^{[g 6]}	?	?	No
Interface CSSPrimitiveValue
DOM2	`primitiveType`	No	?	No^{[g 7]}	?	?	No
	`setFloatValue()`		?	No	?	?
	`getFloatValue()`		?		?	?
	`setStringValue()`		?		?	?
	`getStringValue()`		?		?	?
	`getCounterValue()`		?		?	?
	`getRectValue()`		?		?	?
	`getRGBColorValue()`		?		?	?
Interface CSSValueList
DOM2	`length`	No	?	No	?	?	No
DOM2	`item()`	No	?	No	?	?	No
Interface RGBColor
DOM2	`red`	No	?	No	?	?	No
	`green`		?		?	?
	`blue`		?		?	?
Interface Rect
DOM2	`top`	No	?	No	?	?	No
	`right`		?		?	?
	`bottom`		?		?	?
	`left`		?		?	?
Interface Counter
DOM2	`identifier`	No	?	No	?	?	No
	`listStyle`		?		?	?
	`separator`		?		?	?
Interface ViewCSS
DOM2	`getComputedStyle()`	No	No	1.0	No	?	1.0
Interface DocumentCSS
DOM2	`getOverrideStyle()`	No	?	No^{[g 8]}	?	?	No
Interface DOMImplementationCSS
DOM2	`createCSSStyleSheet()`	No	?	No^{[g 9]}	?	?	No
Interface ElementCSSInlineStyle
DOM2	`style`	6.0	Yes	1.0	1.3	Yes	1.0

Tasman Style (CSS Fundamental) notes[edit]

getPropertyPriority() — Returns !important instead of important.

Style (CSS Extended)[edit]

The interfaces found within this section are not mandatory.

		Trident	Tasman	Gecko	WebKit	KHTML	Presto
Interface CSS2Properties
DOM2	Support this interface	4.0	Yes	1.0	?	?	1.0
DOM2	Properties	Please refer to Comparison of layout engines (Cascading Style Sheets) for the comparison of CSS properties.

Events[edit]

The interfaces found within this section are not mandatory. The first goal is the design of a generic event system which allows registration of event handlers, describes event flow through a tree structure, and provides basic contextual information for each event. The second goal of the event model is to provide a common subset of the current event systems used in DOM Level 0 browsers. See also DOM Events for details.

		Trident	Tasman	Gecko	WebKit	KHTML	Presto
Interface EventTarget
DOM2	`addEventListener()`	5.0^{[t 6]}	No	1.0	Yes	Yes	1.0
	`removeEventListener()`				Yes	Yes
	`dispatchEvent()`				?	?
Interface EventListener
DOM2	`handleEvent()`	?	?	?	?	?	1.0
Interface Event
DOM2	`type`	4.0	Yes	1.0	?	?	1.0
	`target`	No	Yes	1.3	Incorrect	?
	`currentTarget`		No	1.0	?	?
	`eventPhase`				?	?
	`bubbles`				?	?
	`cancelable`				?	?
	`timeStamp`			Yes	?	?
	`stopPropagation()`			1.0	?	?
	`preventDefault()`				?	?
	`initEvent()`				?	?
Exception EventException
DOM2	`code`	No	No	1.0	?	?	1.0
Interface DocumentEvent
DOM2	`createEvent()`	No	No	1.0	?	?	1.0
Interface UIEvent
DOM2	`view`	No	No	No^{[g 10]}	?	?	1.0
	`detail`				?	?
	`initUIEvent()`				?	?
Events for interface UIEvent
DOM2	`DOMFocusIn`	No	No	No^{[g 10]}	?	?	1.0
	`DOMFocusOut`				?	?
	`DOMActivate`				?	?
Interface MouseEvent
DOM2	`screenX`	4.0	Yes	1.0	Yes	?	1.0
	`screenY`				Yes	?
	`clientX`				Incorrect	?
	`clientY`				Incorrect	?
	`ctrlKey`				Yes	?
	`shiftKey`					?
	`altKey`					?
	`metaKey`	No	No			?
	`button`	Incorrect	Incorrect		Incorrect	?	1.0
	`relatedTarget`	No	No		Yes	?	1.0
	`initMouseEvent()`	?	?		?	?	1.0
Events for interface MouseEvent
DOM2	`click`	4.0	Yes	1.0	?	?	1.0
	`mousedown`				?	?
	`mouseup`				?	?
	`mouseover`				?	?
	`mousemove`				?	?
	`mouseout`				?	?
Interface MutationEvent
DOM2	`relatedNode`	No	No	1.0	?	?	1.0
	`prevValue`				?	?
	`newValue`				?	?
	`attrName`				?	?
	`attrChange`				?	?
	`initMutationEvent`				?	?
Events for interface MutationEvent
DOM2	`DOMSubtreeModified`	5.0^{[t 7]}	No	1.9	Yes	Partial	No
	`DOMNodeInserted`			1.0		No	1.0
	`DOMNodeRemoved`			1.0
	`DOMNodeRemovedFromDocument`			No^{[g 11]}
	`DOMNodeInsertedIntoDocument`			No^{[g 11]}		Yes
	`DOMAttrModified`			1.0	No	No
	`DOMCharacterDataModified`			1.0	Yes	No
Events for HTML
DOM2	`load`	4.0	Yes	1.0	?	?	2.0
	`unload`				?	?	2.0
	`abort`				?	?	No
	`error`				?	?	2.0
	`select`				?	?
	`change`				?	?
	`submit`				?	?
	`reset`				?	?
	`focus`				?	?
	`blur`				?	?
	`resize`				?	?
	`scroll`				?	?

Trident Events notes[edit]

button — Does not use W3C values.

Tasman Events notes[edit]

button — Does not use W3C values.

Gecko Events notes[edit]

target — Return text node, if any, of the target element node prior to 1.3.
timeStamp — Is relative to the system start instead of to 1 January 1970.^{[g 12]}

WebKit Events notes[edit]

target — Return text node, if any, of the target element node (fixed in v73, but reverted in v85).
clientX, clientY — Treated as pageX and pageY.
button — Does not use W3C values.

KHTML Events notes[edit]

DOMSubtreeModified — Not triggered when an element is removed from the subtree.

Presto Events notes[edit]

button — Does not use W3C values prior to 8.0.

Views[edit]

The interfaces found within this section are not mandatory. A document may have one or more "views" associated with it, e.g., a computed view on a document after applying a CSS stylesheet, or multiple presentations (e.g. HTML frame) of the same document in a client. That is, a view is some alternate representation of, or a presentation of, and associated with, a source document.

		Trident	Tasman	Gecko	WebKit	KHTML	Presto
Interface AbstractView
DOM2	`document`	6.0	?	1.0	?	?	1.0
Interface DocumentView
DOM2	`defaultView`	No	?	1.0	?	?	1.0

Trident notes[edit]

defaultView — Trident does not support the defaultView property for documents, but it supports another property with the same meaning which is parentWindow.

Traversal[edit]

The interfaces found within this section are not mandatory. Its interfaces provide easy-to-use, robust, selective traversal of a document's contents.

		Trident	Tasman	Gecko	WebKit	KHTML	Presto
Interface NodeIterator
DOM2	`root`	No	?	1.9.1	?	?	1.0
	`whatToShow`		?		?	?
	`filter`		?		?	?
	`expandEntityReferences`		?		?	?
	`nextNode()`	Yes	?		?	?	2.0
	`previousNode()`	Yes	?		?	?	2.0
	`detach()`	No	?		?	?	1.0
Interface NodeFilter
DOM2	`acceptNode()`	No	?	1.0	?	?	1.0
Interface TreeWalker
DOM2	`root`	No	?	1.0	?	?	1.0
	`whatToShow`		?		?	?
	`filter`		?		?	?
	`expandEntityReferences`		?		?	?
	`currentNode`		?		?	?
	`parentNode()`		?		?	?
	`firstChild()`		?		?	?
	`lastChild()`		?		?	?
	`previousSibling()`		?		?	?
	`nextSibling()`		?		?	?
	`previousNode()`		?		?	?
	`nextNode()`		?		?	?
Interface DocumentTraversal
DOM2	`createNodeIterator()`	No	?	1.9.1	?	?	1.0
DOM2	`createTreeWalker()`	No	?	1.0	?	?	1.0

Range[edit]

The interfaces found within this section are not mandatory. It includes methods for creating and moving a Range and methods for manipulating content with Ranges.

		Trident	Tasman	Gecko	WebKit	KHTML	Presto
Interface Range
DOM2	`startContainer`	No	?	1.0	Yes	?	1.0
	`startOffset`		?			?
	`endContainer`		?			?
	`endOffset`		?			?
	`collapsed`		?			?
	`commonAncestorContainer`		?			?
	`setStart()`		?			?
	`setEnd()`		?			?
	`setStartBefore()`		?			?
	`setStartAfter()`		?			?
	`setEndBefore()`		?			?
	`setEndAfter()`		?			?
	`collapse()`		?			?
	`selectNode()`		?			?
	`selectNodeContents()`		?			?
	`compareBoundaryPoints()`		?			?
	`deleteContents()`		?			?
	`extractContents()`		?			?
	`cloneContents()`		?			?
	`insertNode()`		?			?
	`surroundContents()`		?			?
	`cloneRange()`		?			?
	`toString()`		?			?
	`detach()`		?			?
Interface DocumentRange
DOM2	`createRange()`	No	?	1.0	No	?	1.0
Exception RangeException
DOM2	`code`	No	?	1.0	Yes	?	1.0

Load and Save[edit]

The interfaces within this section are considered fundamental, and must be fully implemented by all conforming implementations of the DOM Load and Save module.

		Trident	Tasman	Gecko	WebKit	KHTML	Presto
Exception LSException
DOM3	`code`	No	No	No^{[g 13]}	No	No	1.0
Interface DOMImplementationLS
DOM3	`createLSParser()`	No	No	No	No	No	1.0
	`createLSSerializer()`
	`createLSInput()`
	`createLSOutput()`
Interface LSParser
DOM3	`domConfig`	No	No	No	No	No	1.0
	`filter`
	`async`
	`busy`
	`parse()`
	`parseURI()`
	`parseWithContext()`
	`abort()`
Interface LSInput
DOM3	`characterStream`	No	No	No	No	No	1.0
	`byteStream`
	`stringData`
	`systemId`
	`publicId`
	`baseURI`
	`encoding`
	`certifiedText`
Interface LSResourceResolver
DOM3	`resolveResource()`	No	No	No	No	No	No
Interface LSParserFilter
DOM3	`whatToShow`	No	No	No	No	No	No
	`startElement()`						2.0
	`acceptNode()`						2.0
Interface LSProgressEvent
DOM3	`input`	No	No	No	No	No	No
	`position`
	`totalSize`
Interface LSLoadEvent
DOM3	`newDocument`	No	No	No	No	No	2.0
DOM3	`input`	No	No	No	No	No	No
Interface LSSerializer
DOM3	`domConfig`	No	No	No	No	No	1.0
	`newLine`
	`filter`
	`write()`
	`writeToURI()`
	`writeToString()`
Interface LSOutput
DOM3	`characterStream`	No	No	No	No	No	1.0
	`byteStream`
	`systemId`
	`encoding`
Interface LSSerializerFilter
DOM3	`whatToShow`	No	No	No	No	No	No

Validation[edit]

The interfaces found within this section are not mandatory. This module provides interfaces to guide construction and editing of XML documents. Examples of such guided editing are queries like those that combine questions like "what does the schema allow me to insert/delete here" and "if I insert/delete here, will the document still be valid."

		Trident	Tasman	Gecko	WebKit	KHTML	Presto
Exception ExceptionVAL
DOM3	`code`	No	No	No	No	No	No
Interface DocumentEditVAL
DOM3	`continuousValidityChecking`	No	No	No	No	No	No
	`domConfig`
	`getDefinedElements()`
	`validateDocument()`
Interface NodeEditVAL
DOM3	`defaultValue`	No	No	No	No	No	No
	`enumeratedValues`
	`canInsertBefore()`
	`canRemoveChild()`
	`canReplaceChild()`
	`canAppendChild()`
	`nodeValidity()`
Interface ElementEditVAL
DOM3	`allowedChildren`	No	No	No	No	No	No
	`allowedFirstChildren`
	`allowedParents`
	`allowedNextSiblings`
	`allowedPreviousSiblings`
	`allowedAttributes`
	`requiredAttributes`
	`contentType`
	`canSetTextContent`
	`canSetAttribute`
	`canSetAttributeNode`
	`canSetAttributeNS`
	`canRemoveAttribute`
	`canRemoveAttributeNS`
	`canRemoveAttributeNode`
	`isElementDefined`
	`isElementDefinedNS`
Interface CharacterDataEditVAL
DOM3	`isWhitespaceOnly()`	No	No	No	No	No	No
	`canSetData()`
	`canAppendData()`
	`canReplaceData()`
	`canInsertData()`
	`canDeleteData()`

References[edit]

Trident references[edit]

↑ DOMException object (Internet Explorer), Microsoft
↑ DOMStringList object (Internet Explorer), Microsoft
↑ ^3.00 ^3.01 ^3.02 ^3.03 ^3.04 ^3.05 ^3.06 ^3.07 ^3.08 ^3.09 ^3.10 ^3.11 ^3.12 ^3.13 Internet Explorer Platform Preview Guide for Developers, Microsoft
↑ "getElementById Method", HTML and DHTML Reference, Microsoft, retrieved 2009-03-05
↑ ^5.0 ^5.1 Leithead, Travis, HTML and DOM Standards Compliance in IE8 Beta 1, Microsoft
↑ http://ie.microsoft.com/testdrive/HTML5/50ComparingEventModels/Default.html
↑ Internet Explorer 9 Guide for Developers - DOM L2 and L3 Events, Microsoft

Gecko references[edit]

↑ Bug 56758 - Attr appendChild, insertBefore, removeChild, replaceChild fail, Mozilla
↑ Bug 15118 - expat doesn't send notifications for doctype.notations and doctype.entities, Mozilla
↑ Bug 70132 - Support @font-face, Mozilla
↑ Bug 35615 - Implement CSSPageRule, Mozilla
↑ Bug 35618 - (DOM2 CSS) CSSUnknownRule, Mozilla
↑ ^6.0 ^6.1 Bug 62682 - CSSStyleDeclaration.getPropertyCSSValue() not implemented, always returns nsnull, Mozilla
↑ Bug 132475 - nsROCSSPrimitiveValue::SetFoo() methods should return an nsresult, Mozilla
↑ Bug 45424 - implement getOverrideStyle(), Mozilla
↑ Bug 63850 - document.implementation.createCSSStyleSheet() Not Implemented, Mozilla
↑ ^10.0 ^10.1 Bug 60212 - RFE: DOM 2 UIEvent interface, Mozilla
↑ Bug 74219 - Implement NodeInsertedIntoDocument, NodeRemovedFromDocument, Mozilla
↑ Bug 77992 - Event.timeStamp should be relative to 1st January 1970 rather than the system start, Mozilla
↑ Bug 155749 - Implement DOM3 Load/Save, Mozilla

Webkit references[edit]

Presto references[edit]

↑ Bloom, Chris, document.getElementById() returns element with name equal to id specified

Other references[edit]

"W3C", Document Object Model (DOM) Conformance Test Suites, retrieved May 1, 2005
"David Baron's Homepage", DOM Test Pages, retrieved May 1, 2005
"Jeremie's Personal Site", DOM Level 1 Tests, retrieved May 1, 2005
"Mozilla Developer Documentation", DOM Support in Mozilla, retrieved May 1, 2005
"Mozilla Developer Documentation", What does each DOM Level bring?, retrieved May 1, 2005
"XULPlanet.com", Mozilla Object Reference, retrieved May 1, 2005
"Fabian Guisset", Mozilla DOM Status Update, retrieved May 1, 2005
"Opera Documentation", Web Specifications Supported in Opera, retrieved May 1, 2005
"JavaScript Bible, 5th Edition", Appendix A: JS/DOM Object Quick Reference, retrieved May 5, 2005

External links[edit]

This article "Comparison of layout engines (Document Object Model)" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:Comparison of layout engines (Document Object Model). Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one.

[1] DOMException object (Internet Explorer), Microsoft

[2] DOMStringList object (Internet Explorer), Microsoft

[ie9-preview-3] 3.00 ^3.01 ^3.02 ^3.03 ^3.04 ^3.05 ^3.06 ^3.07 ^3.08 ^3.09 ^3.10 ^3.11 ^3.12 ^3.13 Internet Explorer Platform Preview Guide for Developers, Microsoft

[4] "getElementById Method", HTML and DHTML Reference, Microsoft, retrieved 2009-03-05

[ieblog-8] 5.0 ^5.1 Leithead, Travis, HTML and DOM Standards Compliance in IE8 Beta 1, Microsoft

[16] ttp://ie.microsoft.com/testdrive/HTML5/50ComparingEventModels/Default.html

[18] Internet Explorer 9 Guide for Developers - DOM L2 and L3 Events, Microsoft

[5] Bug 56758 - Attr appendChild, insertBefore, removeChild, replaceChild fail, Mozilla

[7] Bug 15118 - expat doesn't send notifications for doctype.notations and doctype.entities, Mozilla

[9] Bug 70132 - Support @font-face, Mozilla

[10] Bug 35615 - Implement CSSPageRule, Mozilla

[11] Bug 35618 - (DOM2 CSS) CSSUnknownRule, Mozilla

[moz-cssvalue-12] 6.0 ^6.1 Bug 62682 - CSSStyleDeclaration.getPropertyCSSValue() not implemented, always returns nsnull, Mozilla

[13] Bug 132475 - nsROCSSPrimitiveValue::SetFoo() methods should return an nsresult, Mozilla

[14] Bug 45424 - implement getOverrideStyle(), Mozilla

[15] Bug 63850 - document.implementation.createCSSStyleSheet() Not Implemented, Mozilla

[moz-uievent-17] 10.0 ^10.1 Bug 60212 - RFE: DOM 2 UIEvent interface, Mozilla

[19] Bug 74219 - Implement NodeInsertedIntoDocument, NodeRemovedFromDocument, Mozilla

[20] Bug 77992 - Event.timeStamp should be relative to 1st January 1970 rather than the system start, Mozilla

[21] Bug 155749 - Implement DOM3 Load/Save, Mozilla

[6] Bloom, Chris, document.getElementById() returns element with name equal to id specified

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v t e Web browser engines
Active	Blink EdgeHTML Gecko Goanna Servo WebKit
Discontinued	KHTML Mariner Presto Tasman Tkhtml Trident
Comparisons	General info Support HTML CSS graphics