Comparison of JavaScript engines (DOM support)

The following tables compare Document Object Model (DOM) compatibility and support for a number of JavaScript engines used in web browsers.

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 tables

See List of ECMAScript engines for a full list.

Values

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.

Legend
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
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)

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
item()
Interface DOMImplementationSource
DOM3 getDOMImplementation() No No No No No No
getDOMImplementationList()
Interface DOMImplementation
DOM1 hasFeature() 6.0 ? 1.0 Yes ? 1.0
DOM2 createDocumentType() 9.0[t 3] No ? 1.0
createDocument() ?
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() ?
implementation 6.0 ?
createDocumentFragment() No ?
createComment() ?
createCDATASection() 9.0[t 3] ?
createProcessingInstruction() ? 1.7 ?
createEntityReference() No ? No ? 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() 1.0 ?
DOM2 namespaceURI 5.0 Yes 1.0 Yes ? 1.0
prefix ?
localName ?
isSupported() 9.0[t 3] ?
hasAttributes() ?
DOM3 isSameNode() 9.0 No 1.8 Yes ? 2.1
compareDocumentPosition() 9.0[t 3] 1.7 4.2.4
baseURI No ? Yes
textContent 9.0[t 3] ? 2.0
lookupPrefix() ?
isDefaultNamespace() ?
lookupNamespaceURI() ?
getFeature() No ?
setUserData() ? No
getUserData() ?
isEqualNode() 9.0[t 3] 1.9 ? 2.7
Interface NodeList
DOM1 length 5.0 Yes 1.0 Yes ? 1.0
item() ?
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 ?
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
isId 1.9 No
Interface Element
DOM1 tagName 4.0 Yes 1.0 Yes Yes 1.0
getElementsByTagName()
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() ?
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() ?
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
  1. doctype — Prior to version 9.0, returns true when checked but always contains null.
  2. getElementById() — Prior to version 8.0 returned elements with name attribute set to value being found, not only id.[t 4]
  3. 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.
  4. AttributeNode.specified — Does not set specified to true if ownerElement is null.
  5. Node.isSameNode — Prior to version 9.0, only supported for XML documents.

Tasman Core (Fundamental) notes
  1. AttributeNode.specified — Does not set specified to true if ownerElement is null.

Gecko Core (Fundamental) notes
  1. insertBefore(), replaceChild(), removeChild(), appendChild() — Fails on Attr nodes.[g 1] appendChild does not work as expected for DocumentFragment nodes prior to 1.8.
  2. 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
  1. getElementById() — Versions prior to Opera 9.50 returns elements with name attribute set to value being found, not only id.[p 1]
  2. 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.
  3. 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.
  4. 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
  1. AttributeNode.specified — Does not create Attribute Nodes for default values specified in the DTD.

KHTML Core (Fundamental) notes
  1. AttributeNode.specified — Does not create Attribute Nodes for default values specified in the DTD.

Core (Extended)

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 ?
DOM2 publicId No No 1.0 Yes ? 1.0
systemId ?
internalSubset ?
Interface Notation
DOM1 publicId No No 1.0 Yes ? 2.0
systemId ?
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
data ?

HTML

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 ? ?
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
target 4.0 ? ?
Interface HTMLStyleElement
DOM2 disabled ? ? 1.0 ? ? 1.0
media 4.0 Yes ? ?
type ? ?
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 ? ?
form ? ? ? ?
tabIndex ? ? ? ?
add() ? ? ? ?
remove() ? ? ? ?
blur() 3.0 Yes ? ?
focus() ? ?
Interface HTMLOptGroupElement
DOM1 disabled ? ? 1.0 ? ? 2.0
label No Yes ? ?
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 ? ?
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 ? ?
accesskey ? ? ? ?
cols 4.0 Yes ? ?
disabled 5.0 ? ?
name 3.0 ? ?
readOnly 4.0 ? ?
rows ? ?
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 ? ?
tabIndex ? ? ? ?
type 3.0 Yes ? ?
value ? ?
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
type ? ?
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
value ? ?
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
dateTime ? ? 1.0 ? ?
Interface HTMLAnchorElement
DOM1 accesskey ? ? 1.0 ? ? 1.0
charset 6.0 Yes ? ?
coords ? ?
href 3.0 ? ?
hreflang 6.0 ? ?
name 4.0 ? ?
rel ? ?
rev ? ?
shape 6.0 ? ?
tabIndex ? ? ? ?
target 3.0 Yes ? ?
type 6.0 ? ?
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 ? ?
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 ? ?
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
name ? ?
Interface HTMLAreaElement
DOM1 accesskey ? ? 1.0 ? ? 1.0
alt 4.0 Yes ? ?
coords ? ?
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) ? ? 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 ? ?
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 ? ?
span 5.0 Yes ? ? 1.0
vAlign 4.0 ? ?
width 5.0 0 ? ?
Interface HTMLTableSectionElement
DOM1 align 4.0 Yes 1.0 ? ? 1.0
ch 6.0 No ? ? 2.0
chOff ? ?
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 ? ?
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 ? ?
colSpan 4.0 Yes ? ? 1.0
headers 6.0 ? ?
height 4.0 ? ?
noWrap ? ?
rowSpan ? ?
scope ? ? ? ?
vAlign 4.0 Yes ? ?
width ? ?
Interface HTMLFrameSetElement
DOM1 cols 4.0 Yes 1.0 ? ? 1.0
rows ? ?
Interface HTMLFrameElement
DOM1 frameBorder 4.0 Yes 1.0 ? ? 1.0
longDesc 8.0 ? ?
marginHeight 6.0 ? ?
marginWidth ? ?
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
  1. 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
  1. cellIndex — Always return zero.

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

Style (Style Sheets)

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 ? ?
ownerNode No ? ?
parentStyleSheet 6.0 ? ?
href 8.0 ? ?
title 6.0 ? ?
media Incorrect ? ?
Interface StyleSheetList
DOM2 length 6.0 ? 1.0 Yes ? 2.0
item() ? ?
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
  1. href — Prior to version 8.0 relative URLs were not resolved to full URLs.[t 5]
  2. media — Returns string instead of MediaList.

Style (CSS Fundamental)

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() ?
Interface StyleSheetList
DOM2 length 6.0 ? 1.0 ? ? 2.0
item() ? ? ?
Interface CSSRuleList
DOM2 length No ? 1.0 ? ? 2.0
item() ? ? ?
Interface CSSRule
DOM2 type No ? 1.0 ? ? 2.0
cssText Yes ? ?
parentStyleSheet 1.3 ?
parentRule ? ? ?
Interface CSSStyleRule
DOM2 selectorText 6.0 Yes 1.0 1.3 ? 2.0
style No ? ? ?
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
style ? ? ?
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
cssValueType ? ? ?
Interface CSSPrimitiveValue
DOM2 primitiveType No ? No[g 7] ? ? No
setFloatValue() ? No ? ?
getFloatValue() ? ? ?
setStringValue() ? ? ?
getStringValue() ? ? ?
getCounterValue() ? ? ?
getRectValue() ? ? ?
getRGBColorValue() ? ? ?
Interface CSSValueList
DOM2 length No ? No ? ? No
item() ? ? ?
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
  1. getPropertyPriority() — Returns !important instead of important.

Style (CSS Extended)

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
Properties Please refer to Comparison of layout engines (Cascading Style Sheets) for the comparison of CSS properties.

Events

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()
dispatchEvent() ? ?
Interface EventListener
DOM2 handleEvent() ? ? ? ? ? 1.0
Interface Event
DOM2 type 4.0 Yes 1.0 ? ? 1.0
target No 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 ?
clientX Incorrect ?
clientY Incorrect ?
ctrlKey Yes ?
shiftKey ?
altKey ?
metaKey No No ?
button Incorrect Incorrect Incorrect ? 1.0
relatedTarget No No Yes ? 1.0
initMouseEvent() ? ? ? ?
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
DOMNodeRemovedFromDocument No[g 11]
DOMNodeInsertedIntoDocument Yes
DOMAttrModified 1.0 No No
DOMCharacterDataModified Yes
Events for HTML
DOM2 load 4.0 Yes 1.0 ? ? 2.0
unload ? ?
abort ? ? No
error ? ? 2.0
select ? ?
change ? ?
submit ? ?
reset ? ?
focus ? ?
blur ? ?
resize ? ?
scroll ? ?

Trident Events notes
  1. button — Does not use W3C values.

Tasman Events notes
  1. button — Does not use W3C values.

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

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

KHTML Events notes
  1. DOMSubtreeModified — Not triggered when an element is removed from the subtree.

Presto Events notes
  1. button — Does not use W3C values prior to 8.0.

Views

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

Traversal

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() ? ? ?
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
createTreeWalker() ? 1.0 ? ?

Range

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

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()
Interface LSProgressEvent
DOM3 input No No No No No No
position
totalSize
Interface LSLoadEvent
DOM3 newDocument No No No No No 2.0
input 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

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

Trident references
  1. DOMException object (Internet Explorer), Microsoft
  2. DOMStringList object (Internet Explorer), Microsoft
  3. Internet Explorer Platform Preview Guide for Developers, Microsoft
  4. "getElementById Method", HTML and DHTML Reference, Microsoft, retrieved 2009-03-05
  5. Leithead, Travis, HTML and DOM Standards Compliance in IE8 Beta 1, Microsoft
  6. "Archived copy". Archived from the original on 2010-07-22. Retrieved 2010-07-14.CS1 maint: archived copy as title (link)
  7. Internet Explorer 9 Guide for Developers - DOM L2 and L3 Events, Microsoft

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

Webkit references

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

    Other references
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