XHTML - Why?
XHTML is a combination of HTML and XML (EXtensible Markup Language).
XHTML consists of all the elements in HTML 4.01 combined with the syntax of XML.
Why XHTML?
We have reached a point where many pages on the WWW contain "bad"
HTML.
The following HTML code will work fine if you view it in
a browser, even if it does not follow the HTML rules:
<html>
<head>
<title>This is bad HTML</title>
<body>
<h1>Bad HTML
</body>
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XML is a markup language where everything has to be marked up correctly,
which results in "well-formed" documents.
XML was designed to describe data and HTML was designed to display data.
Today's market consists of different browser technologies, some browsers run
Internet on computers, and some browsers run Internet on mobile phones and
hand helds. The last-mentioned do not have the resources or power to interpret
a "bad" markup language.
Therefore - by combining HTML and XML, and their strengths, we got a markup
language that is useful now and in the future - XHTML.
XHTML pages can be read by all XML enabled devices AND while waiting for the
rest of the world to upgrade to XML supported
browsers, XHTML gives you the opportunity to write "well-formed" documents
now, that work in all browsers and that are backward browser
compatible !!!
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Learn what’s new in v2008
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Get Your Diploma!
W3Schools' Online Certification Program is the perfect solution for busy
professionals who need to balance work, family, and career building.
The HTML Certificate is for developers who want to document their knowledge of HTML, XHTML, and CSS.
The ASP Certificate is for developers who want to document their knowledge of ASP, SQL, and ADO.
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