XHTML和HTML有什么区别? [英] What is difference between XHTML and HTML?

问题描述

HTML和XHTML的确切区别是什么?

What is the exact difference between HTML and XHTML?

我在这里看到了相关的帖子，但我没有完全了解它.

I have seen related posts here, but I am not getting it exactly.

推荐答案

XHTML与HTML 4.01标准没有太大不同.主要区别在于:

XHTML is not so much different from HTML 4.01 standard. The major differences are:

• XHTML元素必须正确嵌套.
• XHTML元素必须始终关闭.
• XHTML元素必须为小写.
• XHTML文档必须具有一个根元素.

• XHTML elements must be properly nested.
• XHTML elements must always be closed.
• XHTML elements must be in lowercase.
• XHTML documents must have one root element.

基本上，XHTML是HTML(所有HTML标记都在XHTML中找到)，它遵循 XML (因为它是XML系列).

Basically, XHTML is HTML (all the html tags are found in XHTML) that follows the rules of XML (because it is a family of XML).

更多参考文献可以在以下网址找到:

More references can be found on:

• W3学校.
• 维基百科.
• Sitepoint.com .

• W3Schools.
• Wikipedia.
• Sitepoint.com.

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