W3C DOM Activities
The Document Object Model (DOM) is a platform and language neutral
Application Programming Interface (API) that allows programs to access and
update the content, structure, and style of a
document.
DOM Tutorials
To learn more about the DOM, read our HTML DOM tutorial
and our XML DOM tutorial.
DOM Level 0
The DOM Level 0 is not a W3C specification. It is just a definition of the functionality
equivalent to that found in Netscape Navigator 3.0 and Microsoft Internet
Explorer 3.0.
Key players in the development of the DOM has been people from ArborText, IBM, Inso EPS,
JavaSoft, Microsoft, Netscape, Novell, the Object Management Group, SoftQuad,
Sun Microsystems, and Texcel.
W3C's DOM Level 1 builds on this functionality.
DOM Level 1
DOM Level 1 concentrates on HTML and XML document models. It contains
functionality for document navigation and manipulation.
DOM Level 1 was released as a W3C Recommendation 1. October 1998.
A Working
Draft for a Second Edition (SE) was published 29. September. 2000.
DOM Level 2
DOM Level 2 adds a style sheet object model to DOM Level 1, and defines
functionality for manipulating the 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 released as W3C Recommendations 13.
November
2000:
DOM Level 2 Core
DOM Level 2 Core specifies an API to access and update the content and structure of documents.
The API also contains interfaces dedicated to XML.
DOM Level 2 HTML
DOM Level 2 HTML specifies an API to manipulate
the structure and contents of an HTML document. (This part of the specification
is still a working draft)
DOM Level 2 Views
DOM Level 2 Views specifies an API to dynamically access and update the view
of a document. A view is some alternate representation of, or a presentation of,
a document.
DOM Level 2 Style
DOM Level 2 Style specifies an API to dynamically access and update the
content style sheets.
DOM Level 2 Events
DOM Level 2 Events specifies an API to access document events.
DOM Level 2 Traversal-Range
DOM Level 2 Traversal-Range specifies an API to dynamically traverse and
identify a range of content in a document.
DOM Level 3
DOM Level 3 specifies content models (DTD and Schemas) and document
validation. It also specifies document loading and saving, document views,
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 released as a Working Draft 12. April 2000.
The following DOM Level 3 Working Drafts were released 1. September 2000:
DOM Level 3 Core
DOM Level 3 Core specifies an API to
access and update the content, structure and style of documents.
DOM Level 3 Events
The DOM Level 3 Events API expands the functionality of the Level 2 Event API by adding new interfaces and new event sets.
DOM Level 3 Load and Save
DOM Level 3 Content Model specifies an API for document 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 to dynamically access and update the view
of a document. A view is some alternate representation of, or a presentation of,
a document.
W3C DOM Specifications and Timeline
W3C Reference:
W3C DOM Home Page
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