XHTML 介绍

XHTML is a stricter and cleaner version of HTML
XHTML是更严密代码更整洁的HTML版本 .

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What Is XHTML?
什么是XHTML?

• XHTML stands for EXtensible HyperText Markup Language
  XHTML是具有延伸性的超文本标记语言
• XHTML is aimed to replace HTML
  出现XHTML目的就是要替代HTML
• XHTML is almost identical to HTML 4.01
  XHTML和HTML4.01几乎相同
• XHTML is a stricter and cleaner version of HTML
  XHTML是更严密代码更整洁的HTML版本
• XHTML is HTML defined as an XML application
  XHTML的定义形同将HTML视为XML(从代码的结构上)
• XHTML is a W3C Recommendation
  XHTML是W3C的推荐标准

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What You Should Already Know
学前应具备知识

Before you continue you should have a basic understanding of the following:
学习XHTML前应具备的知识

• HTML and the basics of building web pages
  HTML以及制作WEB页面的基础

If you want to study HTML first, please read our HTML tutorial.
如想要先学习下HTML，可以阅读我们的HTML教程

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XHTML is a W3C Recommendation
XHTML是W3C的推荐标准

XHTML 1.0 became a W3C Recommendation January 26, 2000.
2000年1月26日XHTML1.0成为W3C的推荐标准之一

A W3C Recommendation means that the specification is stable, that it has been reviewed by the W3C membership, and that the specification is now a Web standard.
成为W3C的推荐标准意味着其规格已经稳定，W3C成员组也已经认可，已正式成为WEB标准

W3C defines XHTML as the latest version of HTML. XHTML will gradually replace HTML.
W3C表态XHTML作为最新版本的HTML会逐渐取代HTML

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All New Browsers Support XHTML
新的浏览器都支持XHTML

XHTML is compatible with HTML 4.01.
XHTML与HTML4.01是相互兼容的

All new browsers have support for XHTML.
所有较新的浏览器都支持XHTML

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W3pop使用的是XHTML