Apps are at the heart of Windows 8, bringing rich and engaging experiences to both tablet and desktop users. Windows 8 uses the Windows Runtime (WinRT), a complete reimagining of Windows development that supports multiple programming languages and is built on HTML5, CSS and JavaScript. These applications are the future of Windows development and JavaScript is perfect language to take advantage of this exciting and flexible environment. Seasoned author Adam Freeman explains how to get the most from WinRT and Windows 8 by focusing on the features you need for your project. He starts with the nuts-and-bolts and shows you everything through to advanced features, going in-depth to give you the knowledge you need. Each topic is covered clearly and concisely and is packed with the details you need to learn to be truly effective. The most important features are given a no-nonsense in-depth treatment and chapters contain examples that demonstrate both the power and the subtlety of Windows 8, Windows Runtime and Javascript. What you'll learn * Understand what Windows 8 apps and WinRT are capable of and why they are special * Use advanced features to create immersive and engaging Windows 8 applications * Creating applications that work seamlessly on tablets and desktops * Use cutting-edge features like WebSockets and Cloud Computing * Prepare and deploy your applications * Unit test, debug and performance-tune applications Who this book is for This book is suitable for anyone wanting to get to grips with Windows 8 development using the cross-platform standards of HTML5 and JavaScript. Basic coding knowledge is assumed but no Microsoft-specific assumptions are made. Table of ContentsPart I -- Getting Started 1. Putting Windows 8 and WinRT in Context 2. Preparing for Development 3. HTML5 Primer 4. CSS3 Primer 5. JavaScript Language Primer Part II -- Core App Development 6. A First Application 7. Creating the Main UI 8. Creating the Start Menu UI 9. Handling Touch Events 10. Dealing with I/O and Storage 11. Using Networking and the Cloud 12. Asynchronous Programming 13. Using Data & Databases 14. Windows 8 Platform Integration 15. Using Geolocation 16. Working with Multimedia Part III -- Packaging & Deployment 17. Preparing for Deployment 18. Dealing with licences, signing and the Windows store 19. Using side-loading and Enterprise deployments 20. Managing versions and telemetry Part IV -- Advanced Metro Development 21. Sharing Data 22. Developing with multiple programming languages 23. Performance Tuning Applications 24. Unit Testing JavaScript Applications 25. Security & Cryptography 26. Internationalization