Practical Ext JS 4 will get you up and running, using Ext JS 4.2 for your projects, as quickly as possible. After a quick refresher on some JavaScript basics, you will get to grips with Ext JS 4’s OO concepts (such as mixins) and familiarize yourself with its UI components and layout. You'll learn all the core features of the Ext JS framework, such as its MVC architecture, theming and styling your applications, and displaying data through components such as grids, trees, and charts. You'll use the Ext JS components and create an entire application from scratch by following the many practical examples. Finally, you'll learn about unit testing and packaging to build and deploy better applications.

• Provides you with a solid knowledge of the building blocks of Ext JS 4
  
• Takes you through developing applications using the MVC architecture
  
• Demonstrates extending the UI with custom components and plugins
  
• Shows you how to unit test Ext JS 4 applications with Jasmine and deploy them with Sencha Cmd
  
• Completely up-to-date for the latest Ext JS 4.2
  

What you’ll learn

• Understand the design of the Ext JS API
  
• Use the UI components effectively
  
• Understand the data handling capabilities of Ext JS 4
  
• Create custom UI components
  
• Develop applications using MVC architecture
  
• Unit test Ext JS 4 applications
  

Who this book is for
Practical Ext JS 4 is for web developers who want to jumpstart building Ext JS 4 applications. It’s also intended for programmers who wish to get started with serious JavaScript coding using Ext JS 4. You should have a working knowledge of web technologies and JavaScript to get the most from this book.