HTML5 - The Future of the Web - PowerPoint PPT Presentation

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HTML5 - The Future of the Web

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  1. 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. It is the fifth revision of the HTML standard (created in 1990 and standardized as HTML4 as of 1997) and as of January 2012 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. What is HTML5

  3. How Did HTML5 Get Started? HTML5 will be the new standard for HTML, XHTML, and the HTML DOM. The previous version of HTML came in 1999. The web has changed a lot since then. HTML5 is still a work in progress. However, most modern browsers have some HTML5 support. __________________________________________________________________ • HTML5 is a cooperation between the World Wide Web Consortium (W3C) and the Web Hypertext Application Technology Working Group (WHATWG). • WHATWG was working with web forms and applications, and W3C was working with XHTML 2.0. In 2006, they decided to cooperate and create a new version of HTML. • Some rules for HTML5 were established: • New features should be based on HTML, CSS, DOM, and JavaScript • Reduce the need for external plugins (like Flash) • Better error handling • More markup to replace scripting • HTML5 should be device independent • The development process should be visible to the public

  4. New Features • Some of the most interesting new features in HTML5: • The canvas element for drawing • The video and audio elements for media playback • Better support for local offline storage • New content specific elements, like article, footer, header, nav, section • New form controls, like calendar, date, time, email, url, search Browser Support HTML5 is not yet an official standard, and no browsers have full HTML5 support. But all major browsers (Safari, Chrome, Firefox, Opera, Internet Explorer) continue to add new HTML5 features to their latest versions.

  5. New Elements in HTML5 The internet has changed a lot since HTML 4.01 became a standard in 1999. Today, some elements in HTML 4.01 are obsolete, never used, or not used the way they were intended to. These elements are deleted or re-written in HTML5. To better handle today's internet use, HTML5 also includes new elements for better structure, drawing, media content, and better form handling.

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