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HyperText Markup Language ( HTML ) is the main markup language for web pages . HTML elements are the basic building-blocks of webpages. HTML is written in the form of HTML elements consisting of tags enclosed in angle brackets (like ), within the web page content. HTML tags most commonly come in pairs like and , although some tags, known as empty elements , are unpaired, for example . The first tag in a pair is the start tag , the second tag is the end tag (they are also called opening tags and closing tags ). In between these tags web designers can add text, tags, comments and other types of text-based content.
HTML - Wikipedia, the free encyclopedia
JavaScript - Wikipedia, the free encyclopedia
JavaScript at Wikibooks JavaScript is a prototype-based scripting language that is dynamic , weakly typed and has first-class functions . It is a multi-paradigm language, supporting object-oriented , [ 5 ] imperative , and functional [ 1 ] [ 6 ] programming styles. JavaScript was formalized in the ECMAScript language standard and is primarily used in the form of client-side JavaScript , implemented as part of a Web browser in order to provide enhanced user interfaces and dynamic websites .Cascading Style Sheets ( CSS ) is a style sheet language used for describing the presentation semantics (the look and formatting) of a document written in a markup language . Its most common application is to style web pages written in HTML and XHTML , but the language can also be applied to any kind of XML document, including plain XML , SVG and XUL . CSS is designed primarily to enable the separation of document content (written in HTML or a similar markup language) from document presentation, including elements such as the layout , colors , and fonts . [ 1 ] This separation can improve content accessibility , provide more flexibility and control in the specification of presentation characteristics, enable multiple pages to share formatting, and reduce complexity and repetition in the structural content (such as by allowing for tableless web design ).
Cascading Style Sheets - Wikipedia, the free encyclopedia
XML - Wikipedia, the free encyclopedia
Extensible Markup Language ( XML ) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable . It is defined in the XML 1.0 Specification [ 4 ] produced by the W3C , and several other related specifications, [ 5 ] all gratis open standards . [ 6 ] The design goals of XML emphasize simplicity, generality, and usability over the Internet . [ 7 ] It is a textual data format with strong support via Unicode for the languages of the world.
HTML5 is a language for structuring and presenting content for the World Wide Web , and is a core technology of the Internet originally proposed by Opera Software . [ 1 ] It is the fifth revision of the HTML standard (created in 1990 and standardized as HTML4 as of 1997) [ 2 ] and as of April 2012 [update] is still under development. Its core aims have been to improve the language with support for the latest multimedia while keeping it easily readable by humans and consistently understood by computers and devices ( web browsers , parsers , etc.). HTML5 is intended to subsume not only HTML 4 , but XHTML 1 and DOM Level 2 HTML as well. [ 2 ]
HTML5 - Wikipedia, the free encyclopedia
Flash content may be displayed on various computer systems and devices , using Adobe Flash Player , which is available free of charge for common web browsers , some mobile phones, and a few other electronic devices (using Flash Lite ). Some users feel that Flash enriches their web experience, while others find the extensive use of Flash animation, particularly in advertising, intrusive and annoying, giving rise to a cottage industry that specializes in blocking Flash content. Flash has also been criticized for adversely affecting the usability of web pages. [ 2 ] [ edit ] History
