Build Your Own Ajax Web Applications: Usable and Accessible Interactivity

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AJAX (Asynchronous JavaScript and XML) is a new approach for developing web applications. It essentially permits users to interact with a Webpage without forcing a slow & tedious reload of the entire page after every action. This means web applications become more responsive, easier to use, and more intuitive.Build Your Own Ajax Web Applications uses a step-by-step tutorial format that's so easy to follow, you'll be able to build sophisticated and intuitive Ajax web interfaces in no time! Read this book, and you'll: * Get an overview of the basic technologies you'll need to use to build Ajax applications. * Understand the XMLHttpRequest object, the core of Ajax applications. * Build a cross-browser XMLHttpRequest wrapper that you can use in all of your Ajax projects. * Build an Ajax application monitor that works in real time. * Learn how to use Ajax without breaking older browsers or causing accessibility issues. * Get your Ajax application working with screen readers. * Use dynamic animations to improve usability. * Build edit-in-place functionality. * Create an Ajax search application that pulls data from Amazon, del.icio.us, and Google. * Fix the "Back button" problem. * Use JSON, YAML, and XML to communicate with the server. * Build an Ajax drag 'n' drop chess game. * And a whole lot more! Throughout the text, the author stresses usability, accessibility, and graceful degradation for older, less-capable web browsers.