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Overview of HTML5 Structure and Semantics by Lachlan Hunt at PubCon 2008

This presentation by Lachlan Hunt at PubCon 2008 in Las Vegas discusses the new features of HTML5, emphasizing the structure and semantics introduced with new elements such as `<header>`, `<nav>`, `<article>`, and others. It highlights the lack of native support initially and how styling can be achieved through CSS in various browsers. Additionally, it covers multimedia advancements, including native video support, the use of the `<canvas>` element for dynamic graphics, and the importance of developer tools like Validator.nu for HTML5 validation.

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Overview of HTML5 Structure and Semantics by Lachlan Hunt at PubCon 2008

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Presentation Transcript

  1. HTML 5 Overview • Lachlan Hunt • PubCon, Las Vegas 2008-11-13

  2. New Structure and Semantics

  3. <header> <nav> <article> <aside> <footer>

  4. <time> <figure> <legend> <meter>

  5. <h1> <section> <h1> <h1>

  6. Element Implementations • No native support, but can be styled with CSS in • Opera • Firefox 3.0 • Safari • IE 6 and 7 using simple createElement() hack

  7. New Multimedia

  8. Video • Native video support in browsers • DOM APIs for providing custom interfaces • No more dependence upon Flash

  9. Video Implementations • Opera (Experimental, Ogg Theora) • Safari 3.1 (All QuickTime formats) • Firefox 3.1 alpha 2 (Ogg Theora)

  10. Canvas • Dynamically draw graphics and text • Graphics-oriented DOM APIs

  11. Canvas Implementations • Opera • Firefox • Safari • IE 6+ using ExplorerCanvas script

  12. Developer Tools

  13. Validator.nu • HTML5 Conformance Checker • Exceeds the capabilities of traditional DTD based validation

  14. Parsing HTML 5 • html5lib Parsing Library for HTML • Python, Ruby • Off-the-shelf parser reduces reliance on RegExp hacks

  15. Credits • Some images were shamelessly stolen from the web. Various licences apply. For full credits, see: • http://lachy.id.au/slides/

  16. whatwg.orgwww.w3.org

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