W3C Tutorial (11): W3C DOM Activities

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W3C DOM Home Page

The Document Object Model (DOM) is a platform, a language-neutral application programming interface (API) that allows programs to access and modify the content, structure, and style of a document. The Document Object Model (DOM) is a platform, a language-neutral application programming interface (API) that allows programs to access and modify the content, structure, and style of a document. DOM Tutorials To learn more about DOM, read our HTML DOM Tutorial and XML DOM Tutorial. DOM Level 0 DOM Level 0 is not a W3C specification. It is merely a definition of equivalent functionality in Netscape Navigator 3.0 and Microsoft Internet Explorer 3.0. Key players in the development of DOM include: ArborText, IBM, Inso EPS, JavaSoft, Microsoft, Netscape, Novell, the Object Management Group, SoftQuad, Sun Microsystems, and Texcel. The W3C's DOM Level 1 builds on this functionality. DOM Level 1 DOM Level 1 focuses on HTML and XML document models. It contains document navigation and processing functions. DOM Level 1 became a W3C Recommendation on October 1, 1998. The second working draft was on September 29, 2000. DOM Level 2 DOM Level 2 adds the Style Sheet Object Model to DOM Level 1 and defines functionality for manipulating style information attached to a document. DOM Level 2 also defines an event model and provides support for XML namespaces. The DOM Level 2 specification was published as a W3C Recommendation on November 13, 2000: DOM Level 2 Core The DOM Level 2 core specifies an API for accessing and changing document content and structure, and this API also includes interfaces for XML. DOM Level 2 HTML DOM Level 2 HTML specifies an API for manipulating the structure and content of HTML documents. (This part of the specification is still a working draft) DOM Level 2 Views DOM Level 2 specifies an API for accessing and modifying document views. A view is a representation that is associated with the original document or an alternate representation. DOM Level 2 Style DOM Level 2 Style specifies an API for dynamically accessing and modifying content style sheets. DOM Level 2 Events DOM Level 2 Events specifies an API for accessing document events. DOM Level 2 Traversal-Range DOM Level 2 Traversal-Range specifies an API for dynamically traversing and identifying ranges of content in a document. DOM Level 3 DOM Level 3 specifies content models (DTD and Schemas) and document validation. Also specifies document loading and saving, document viewing, document formatting, and key events. DOM Level 3 builds on DOM Core Level 2. DOM Level 3 Requirements The DOM Requirements document has been updated for Level 3 requirements and was published as a Working Draft on April 12, 2000. The following DOM Level 3 Working Draft was published on September 1, 2000: DOM Level 3 Core DOM Level 3 Core specifies an API for accessing and modifying document content, structure, and style. DOM Level 3 Events The DOM Level 3 Events API extends the functionality of the Level 2 Event API by adding new interfaces and a new set of events. DOM Level 3 Load and Save The DOM Level 3 Content Model specifies APIs for content loading and saving, content models (DTD and Schemas), and document validation support. DOM Level 3 Views and Formatting DOM Level 3 Views specifies an API for accessing and modifying document views. A view is a representation that is associated with the original document or an alternate representation. W3C DOM Specification and Timeline	specification	Draft/Proposal	recommend