Appendix A: Changes

Editors: Arnaud Le Hors, W3C; Philippe Le Hégaret, W3C

A.1: Changes between DOM Level 1 and DOM Level 2

A.1.1: Changes to DOM Level 1 interfaces and exceptions

Interface Attr: The Attr interface has one new attribute: ownerElement.
Interface Document: The Document interface has five new methods: importNode, createElementNS, createAttributeNS, getElementsByTagNameNS and getElementById.
Interface NamedNodeMap: The NamedNodeMap interface has three new methods: getNamedItemNS, setNamedItemNS, removeNamedItemNS.
Interface Node: The Node interface has two new methods: supports and normalize.
The Node interface has three new attributes: namespaceURI, prefix and localName.
The ownerDocument attribute was specified to be null when the node is a Document. It now is also null when the node is a DocumentType which is not used with any Document yet.
Interface DocumentType: The DocumentType interface has three attributes: publicId, systemId and internalSubset.
Interface DOMImplementation: The DOMImplementation interface has two new methods: createDocumentType and createDocument.
Interface Element: The Element interface has eight new methods: getAttributeNS, setAttributeNS, removeAttributeNS, getAttributeNodeNS, setAttributeNodeNS, getElementsByTagNameNS, hasAttribute and hasAttributeNS.
The method normalize is now inherited from the Node interface where it was moved.
Exception DOMException: The DOMException has five new exception codes: INVALID_STATE_ERR, SYNTAX_ERR, INVALID_MODIFICATION_ERR, NAMESPACE_ERR and INVALID_ACCESS_ERR.

A.1.2: New features

A.1.2.1: New types

DOMTimeStamp: The DOMTimeStamp type was added to the Core module.

A.1.2.2: New interfaces

HTML: The HTMLDOMImplementation interface was added to the HTML module.
On the HTMLDocument interface, the method getElementById is now inherited from the Document interface where it was moved.
On the HTMLFrameElement, HTMLIFrameElement, and HTMLObjectElement interfaces the attribute contentDocument was added.
Views: This new module defines the interfaces AbstractView and DocumentView.
StyleSheets: This new module defines the following interfaces: StyleSheet, StyleSheetList, MediaList, DocumentStyle and LinkStyle.
CSS: This new module defines the following interfaces: CSS2Azimuth, CSS2BackgroundPosition, CSS2BorderSpacing, CSS2CounterIncrement, CSS2CounterReset, CSS2Cursor, CSS2FontFaceSrc, CSS2FontFaceWidths, CSS2PageSize, CSS2PlayDuring, CSS2Properties, CSS2TextShadow, CSSCharsetRule, CSSFontFaceRule, CSSImportRule, CSSMediaRule, CSSPageRule, CSSPrimitiveValue, CSSRule, CSSRuleList, CSSStyleDeclaration, CSSStyleRule, CSSStyleSheet, CSSUnknownRule, CSSValue, CSSValueList, Counter, RGBColor, Rect, ViewCSS, DocumentCSS, DOMImplementationCSS and ElementCSSInlineStyle.
Events: This new module defines the following interfaces: Event, EventListener, EventTarget, DocumentEvent, MutationEvent, UIEvent and MouseEvent, and the exception EventException.
Traversal: This new module defines the following interfaces: NodeFilter, NodeIterator, TreeWalker, and DocumentTraversal.
Range: This new module defines the interfaces Range, DocumentRange and the exception RangeException.

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