XHTML is a new language for writing web pages that is built on Hypertext Markup Language (HTML) and extends the HTML language. This book is a complete reference manual for XHTML that is comprehensive and easy to understand. The book not only has complete XHTML syntax, but also explores various major methods of using XHTML. The book introduces many practical applications, including connecting XHTML to a database on a Web server and creating and using XHTML tables, lists, images, frames, image maps, and Java applets, with examples following each important content. illustrate. In addition to the sample code in this book, the CD attached to this book also contains a complete and easy-to-find XHTML markup reference file xhtmlref.html. This book is a book for Web programmers. It can be used as a beginner's guide to Web programming and as a reference for experienced Web programmers.