(This book is the latest upgrade of jQuery classic technology tutorial, covering jQuery 1.10x and jQuery 2.0 x。 The first six chapters of this book explain the core components of jQuery in an easy to understand way, including jQuery selector, event, animation, DOM operation, AJAX support and so on. Chapters 7 and 8 introduce jQuery UI, jQuery mobile, and developing custom plug-ins using the powerful extensibility of jQuery. The following chapters will explore various features and advanced technologies of jQuery in more depth. Appendix a specifically explains the concept of closures in JavaScript and how to use them effectively in jQuery. Appendix B explains what you need to know to test JavaScript code using quNit. Appendix C provides a quick reference to jQuery APL.This book focuses on the combination of theory and practice, from shallow to deep, step by step, suitable for front-end web developers at all levels to learn and reference.)