XHTML Tutorials

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XHTMLTutorials
Posted on: May 12, 2011 at 12:00 AM

XHTMLTutorials

XHTML Tutorials

XHTML Introduction
XHTML is a transition combination of HTML and XML. To change from HTML to XHTML requires just a few changes in your coding styles. The main page to check out is CONVERTING but all the others provide valuable information about this coding technique as well.
XHTML provides the framework for future extensions of HTML and aims to replace HTML in the future. Some resources refer to
XHTML as HTML5. XHTML 1.0 became an official W3C recommendation on January 26, 2000. 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.
XHTML Tutorial
XHTML is a stricter and cleaner version of HTML. In this tutorial you will learn the difference between HTML and XHTML. We will also show you how this Web site was converted to XHTML. XHTML stands for EXtensible HyperText Markup Language .XHTML is aimed to replace HTML .XHTML is almost identical to HTML 4.01 .XHTML is a stricter and cleaner version of HTML .XHTML is HTML defined as an XML application. XHTML is a W3C Recommendation .
What is XHTML
The great thing about XHTML, though, is that it is almost the same as HTML, although it is much more important that you create your code correctly. You cannot make badly formed code to be XHTML compatible. Unlike with HTML (where simple errors (like missing out a closing tag) are ignored by the browser), XHTML code must be exactly how it is specified to be. This is due to the fact that browsers in handheld devices etc. don't have the power to show badly formatted pages so XHTML makes sure that the code is correct so that it can be used on any type of browser.
XHTML-Compliance vs. Design
While I do not enjoy stylistic exploits that unknowingly (or even knowingly) create security holes, exploits that contribute to the art world even if they only last until everybody updates their browser to the next version-are wonderful. Pushing the boundaries of design is part of the Zen experience of the Web. However, most Web development today is not done for spiritual reasons. You should not take advantage of a bug in a browser on a page that is meant only to convey information-it may haunt you in the future when you have to go back and fix hundreds of pages because they do not work in a new release of a browser.
XHTML Basic
Most websites today, like this one, contain animated graphics, colors, embedded images, and many other features. They are designed with the modern personal computer in mind, and most sites are built to be compatible with version 4 browsers from both Netscape and IE as the accepted minimum. With the advent of new digital devices, such as mobile phones, PDA's, Internet-connected refrigerators, and televisions, there is a new breed of devices that want to surf the web, but the web is currently very unfriendly to them. Most small devices can only visit a handful of sites specially designed for them .
XHTML Explained
I?m sure you?ve heard people mumbling about XHTML and how it combines HTML and XML to create the "next generation" of HTML. I too had heard the mumbling, but actually had no idea what XHTML was... up until about 2 weeks ago. In this article, I?m going to give you a quick run down of what XHTML is, its benefits, how it can be used, and what it looks like. I will assume that you are familiar with Hypertext Markup Language (HTML), which is the fundamental building block of the web. You should also know what XML and DTD's are. I will build on this foundation by comparing and contrasting the current version of HTML (version 4.0), with the latest version of XHTML, version 1.0.
Converting HTML documents to XHTML
Extensible HyperText Markup Language (XHTML) is a reformulation of HTML 4.0 to make it XML based. This tutorial deals with the changes to be made to convert HTML documents to valid XHTML. The article is prepared with a view to help and guide you through the conversion process. The W3C, which is the organization that co-ordinates standardisation of Web protocols, has defined three types of XHTML documents. This is based on the XML Document Type Definition (DTD) that is used by the document.
Learning XHTML
I will be covering the basics of the XHTML 1.0 Strict markup language. This version of HTML is written in XML, which means that files can be read by current browsers while still being valid XML. This is designed to be a rough and ready tutorial. I want to get the beginner up and running as quickly as possible with the minimum of superfluous information. This means you will be writing and testing your first web page in a matter of minutes. I will provide links for background reading if you feel that further information is necessary. The lessons build on each other, so skipping a lesson is a bad idea.
Fast and Easy XHTML
Wondering how to turn your HTML markup into XHTML? Here are a few quick tips to teach you the very basics, a sample XHTML document, and resources for more information. If you already know HTML, I suspect you can learn how to implement these markup changes within a couple of hours. If you just dig in and give it a try, I think you'll be pleasantly surprised to see that it's easier than you may have thought.
W3C XHTML 1.0 Recommendation
This specification defines the Second Edition of XHTML 1.0, a reformulation of HTML 4 as an XML 1.0 application, and three DTDs corresponding to the ones defined by HTML 4. The semantics of the elements and their attributes are defined in the W3C Recommendation for HTML 4. These semantics provide the foundation for future extensibility of XHTML. Compatibility with existing HTML user agents is possible by following a small set of guidelines.

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