... mobile applications are where the jobs are, and this book can helpyou learn all about HTML5 and the application programming interfaces (APIs) that relateto it. After 24 hours, you will be able ... AuthorJennifer Kyrnin has been teaching HTML, XML, and web design online since 1997. She hasbuilt and maintained websites of all sizes from small, single-page brochure sites to large,million-page databased ... them all the time.HTML5 also adds a lot of new elements, including a streamlined doctype (or DTD—the first line of your HTML document. It tells the browser that this document is anHTML5 one),...