HTML 5 consolidates and formalizes existing coding methods; for example, certain layout tags are no longer permitted in the body of a page, requiring them to be defined in a CSS style sheet. However, the major features of HTML 5 are the new programming interfaces (APIs), including 2D graphics rendering (canvas element), document editing, drag and drop, browser history management, video playback and local file storage.
HTML 5 and XHTML 5
To ensure compatibility, both HTML 5 and XHTML 5 are being developed in parallel. With the first draft of HTML 5 released from the W3C in early 2008, parts of HTML 5 are expected in browsers long before the final standard is released. See HTML and canvas element.
![]() | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
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