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W3C Standards

CSS - Cascading Style Sheets

Cascading Style Sheets (CSS) is a mechanism for changing the appearance of HTML or XML elements, by assigning styles to element types, self-defined classes of elements or individual instances.

Stylesheets can be used to consistently define the appearance of an entire site. Following the introduction of CSS, the W3C recommended that layout-specific features in HTML be phased out and replaced by stylesheets, creating a simpler and more structural World Wide Web.

DOM 1 - Document Object Model Level 1

The DOM allows the full power and interactivity of a scripting language (such as ECMAScript, the standardized version of JavaScript) to be exerted on a web page. (In programming terms, the Document Object Model (DOM) Level 1 is an Application Programming Interface (API) for interacting with web pages.) It gives the scripting language easy access to the structure, content, and presentation of a document which is written in such languages as HTML and CSS.

The DOM is compatible with future improvements in technology; it will allow any scripting language to interact with whatever languages are being used in the document. This standard will not only make it easier to program dynamic HTML, but will also make adapting to future Internet technology much less painful.

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Last modified on 27 june 2004

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