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May 17, 2016 am 09:10 AM

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随着web技术的发展，HTML 标准自1999年12月发布的 HTML 4.01 后，后继的 HTML 5 和其它标准被束之高阁，为了推动web标准化运动的发展，一些公司联合起来，成立了一个叫做 Web Hypertext Application Technology Working Group （Web 超文本应用技术工作组 - WHATWG）的组织，HTML5草案的前身名为 Web Applications 1.0，於2004年被 WHATWG 提出，於2007年被 W3C 接纳，并成立了新的 HTML 工作团队。HTML 5 的第一份正式草案已于2008年1月22日公布。2010年9月22正式向公众推荐。HTML 5有两大特点：首先，强化了 Web 网页的表现性能。其次，追加了本地数据库等 Web 应用的功能。具体如下：

扩展体验

HTML5草案的前身名为Web Applications 1.0。於2004年被WHATWG提出，於2007年被W3C接纳，并成立了新的HTML工作团队。在2008年1月22日，第一份正式草案已公布,预计将在2010年9月正式向公众推荐。WHATWG表示该规范是目前正在进行的工作，仍须多年的努力。

新标记

HTML5提供了一些新的元素和属性，例如

（网站导航块）和

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