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HTML5 is not just a replacement for plugins. It also makes the Web a first-class development environment by giving JavaScript programmers a solid foundation for building industrial-strength applications. This practical guide takes you beyond simple site creation and shows you how to build self-contained HTML5 applications that can run on mobile devices and compete with desktop apps. You’ll learn powerful JavaScript tools for exploiting HTML5 elements, and discover new methods for working with data, such as offline storage and multithreaded processing. Complete with code samples, this book is ideal for experienced JavaScript and mobile developers alike. Store session data in the browser with local storage objects Save trips to the server: store larger amounts of data with IndexedDB Give browsers limited access to a user’s system to read and upload files Take your app offline—and speed up page loading when it’s online Use Web Workers to create multithreaded applications Transfer data between browser and server more efficiently with Web Sockets Learn about HTML5 tags for forms, multimedia, graphics, and geolocation "HTML5 is all the rage these days, but it's more than just a buzzword. Programming HTML5 Applications provides the knowledge to guide you through all the new technologies needed to make modern web applications." --Ralph Whitbeck, cohost of The Official jQuery Podcast About the Author Zachary Kessin has been working on developing interactive web applications since 1994. In the last few years Zachary's focus has been on building complex applications in the browser with Javascript, browser-based testing with Selenium, functional programming, and code generation. Table of Contents Chapter 1 The Web As Application Platform Adding Power to Web Applications Developing Web Applications JavaScript’s Triumph Chapter 2 The Power of JavaScript Nonblocking I/O and Callbacks Lambda Functions Are Powerful Closures Functional Programming Prototypes and How to Expand Objects Expanding Functions with Prototypes Currying and Object Parameters Array Iteration Operations You Can Extend Objects, Too Chapter 3 Testing JavaScript Applications QUnit Selenium Chapter 4 Local Storage The localStorage and sessionStorage Objects JQuery Plug-ins Chapter 5 IndexedDB Adding and Updating Records Adding Indexes Retrieving Data Deleting Data Chapter 6 Files Blobs Working with Files Uploading Files Drag-and-Drop Putting It All Together Filesystem Chapter 7 Taking It Offline Introduction to the Manifest File Events Debugging Manifest Files Chapter 8 Splitting Up Work Through Web Workers Web Worker Use Cases Using Web Workers Web Worker Fractal Example Testing and Debugging Web Workers A Pattern for Reuse of Multithread Processing Libraries for Web Workers Chapter 9 Web Sockets The Web Sockets Interface Setting Up a Web Socket Web Socket Example Web Socket Protocol Chapter 10 New Tags Tags for Applications Accessibility Through WAI-ARIA Microdata New Form Types Audio and Video Canvas and SVG Geolocation New CSS Appendix JavaScript Tools You Should Know Colophon