Chapter 11
XML, AJAX, and Web Services
HTML supplies elements designed to markup webpages. We see how useful HTML is to structure and organize content for the Web. The markup makes webpages easy to process by computers and that is a huge advantage.
Now, what about applying the same markup technique to structure and organize other types of textual information? What if we desire to have a set of tags for book catalogs, news feeds, college course listings, shipping rates, TV shows, sports, vector graphics objects, or even mathematical formulas?
In fact, we can create a set of elements for any such content we care to so organize. The technology is called XML, the eXtensible Markup Language.
XML is used widely in many areas including the Web. For ...
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