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In Detail Ext JS 4 is a JavaScript framework that provides you with the resources to build multi-browser, high-performance, and rich Internet applications. Mastering Ext JS is a practical, hands-on guide that will teach you how to develop a complete application with Ext JS. You'll begin by learning how to create the project's structure and login screen before mastering advanced level features such as dynamic menus and master-detail grids, before finally preparing the application for production. Mastering Ext JS will help you to utilize Ext JS to its full potential and will show you how to create a complete Ext JS application from the scratch, as well as explaining how to create a Wordpress theme. You will learn how to create user and group security, master-detail grids and forms, charts, trees, and how to export data to excel including PDF and images, always focusing on best practices. You will also learn how to customize themes and how to prepare the application to be ready for deployment upon completion. Each chapter of the book is focused on one and task helps you understand and master an individual aspect of the application. By the end of the book, you will have learned everything you need to know to truly master Ext JS and to start building advanced applications. Approach Written as a practical step-by-step tutorial, Mastering Ext JS is full of engaging examples to help you learn in a practical context Who this book is for Mastering Ext JS is for developers who are familiar with using Ext JS and want to take their skills to the next level mastering by Ext JS and creating even better web applications