HTML5 Guidelines for Web Developers

Preface xi About the Authors xiii Chapter 1: Overview of the New Web Standard 1 1.1 How It All Started 1 1.2 Time Travel through Historic Events 7 1.3 In Medias Res 9 1.4 Can I Start Using HTML5 Now? 16 Summary 18 Chapter 2: Structure and Semantics for Documents 19 2.1 Header with "header" and "hgroup" 21 2.2 Content with "article" 22 2.3 Footer with "footer" and "nav" 24 2.4 Sidebar with "aside" and "section" 25 2.5 The Outline Algorithm 27 2.6 Figures with "figure" and "figcaption" 28 2.7 Text-Level Semantics-More New Tags 29 Summary 35 Chapter 3: Intelligent Forms 37 3.1 New Input Types 38 3.2 Useful Attributes for Forms 43 3.3 New Elements 47 3.4 Client-Side Form Validation 57 3.5 Example: A Support Form 64 Summary 68 Chapter 4: Video and Audio 69 4.1 A First Example 70 4.2 The "video" Element and Its Attributes 71 4.3 Video Codecs 73 4.4 Tools for Video Conversion 76 4.5 Which Format for Which Browser? 82 4.6 Interim Solutions for Older Browsers 83 4.7 Video and Scripting-A Simple Video Player 86 4.8 And What About Audio? 99 Summary 105 Chapter 5: Canvas 107 5.1 A First Example 108 5.2 Rectangles 111 5.3 Colors and Shadows 113 5.4 Gradients 114 5.5 Paths 117 5.6 Text 130 5.7 Embedding Images 135 5.8 Pixel Manipulation 141 5.9 Compositing 149 5.10 Patterns 152 5.11 Transformations 156 5.12 Base64 Encoding with "canvas.toDataURL()"163 5.13 "save()" and "restore()"165 5.14 Animations 166 5.15 Anything Still Missing? 173 Summary 177 Chapter 6: SVG and MathML 179 6.1 MathML 180 6.2 SVG 182 Summary 183 Chapter 7: Geolocation 185 7.1 Introduction to Geolocation 186 7.2 A First Experiment: Geolocation in the Browser 190 7.3 Technical Background of Determining Position 193 7.4 Display of Current Position on OpenStreetMap 194 7.5 Location Tracking with Google Maps 196 7.6 Example: Geonotes 197 7.7 Browser Support 202 Summary 203 Chapter 8: Web Storage and Offline Web Applications 205 8.1 Storage 206 8.2 Offline Web Applications 212 8.3 Browser Support 220 8.4 Example:

Klaus Forster, an open source enthusiast, works at the Department of Geography of the University of Innsbruck, Austria. He has attended numerous SVG Open conferences as speaker, reviewer, and workshop leader, and contributed SVG modules to the free software projects PostGIS, GRASS GIS, and SpatiaLite. Bernd Oggl, lecturer and system administrator at the University of Innsbruck, is the coauthor of a book on PHP and MySQL and has many years of experience programming web applications.