Create powerful web applications with the new and improved Ext JS 5 library About This BookExplore the essentials of application development in Ext JS 5 and work on real-world web applicationsDiscover the new features of Ext JS 5 such as MVVM (Model-View-ViewModel) and data binding and avoid writing “glue code”A step-by-step guide to learning the exciting new features of EXT JS 5 libraryWho This Book Is ForIf you are a JavaScript developer who now wants to use the Ext JS framework, this is the book for you. This guide is useful to you whether you're new to Ext JS 5 or are a seasoned expert. Experience in HTML, CSS, and JavaScript is required in order to understand and get the most out of this book.What You Will LearnCreate applications with powerful web components designed for an easy end user experienceDiscover how Ext JS works and how to make good use of this toolUnderstand the basics of web applications using Ext JSUse the new features of version 5 in your applicationsBuild agile and responsive web applications using Ext JSUnderstand the MVVM application model to connect the model layer to the viewEasily customize sizing, spacing, colors, fonts, and so on in the new touch-friendly themesIn DetailThe new Sencha Ext JS 5 library offers hundreds of components and APIs to build robust applications and fulfills the critical needs of customers all around the world. The new version 5 is packed with new themes and the MVVM architecture that allows you to connect the model layer to the view and automatically update the model when the view is modified and vice versa.This book covers many new features and components of Ext JS 5. At the beginning, learn the core concepts of Sencha Ext JS, components, data models, and mapping. This book also teaches you about event-driven development, forms and grids, charts and themes, and third-party plugins. Later on in the book, you'll learn the implementations of the Tree panel, the MVC pattern, and a completely new feature called MVVM. By working sequentially through each chapter and following the step-by-step guides, you will be able to create a basic application.