This? S both a practical guide to understanding the principles and benefits of progressive improvement, and detailed exploration of the examples that will teach you? Do you? Re designer or developer? How, where and when to implement specific coding and scripting approaches that achieve progressive improvement. In this book you will learn?: Why common coding approach to internet users leave behind, and how the progressive improvement is more inclusive and accessible alternativeHow to analyze the design of a complex interface, see the experience of the underlying semantic HTML that will work everywhere, and the enhancement layer at a unique suite of sophisticated safelyA browser testing capabilities that help provide enhancements only to devices that can handle themReal world best practices for coding HTML, CSS, and JavaScript to work with progressive improvement, and cases where the future of HTML5 and CSS3 techniques can be applied effectively to todayHow factor in accessibility features such as WAI-ARIA and keyboard support to ensure universal access to technical details to change the HTML semantics become interactive components such as sliders, tabs, tree controls, and graphs, along with jQuery-based downloadable widgets to implement directly in your project