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Ext JS 4 First Look

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Ext JS 4 First Look, 9781849516662 (1849516669), Packt Publishing, 2012

Ext JS 4 introduces major changes compared to Ext JS 3. There is a new data package, new charts, and new, updated layouts. The framework was completely rewritten to boost performance.

This book covers all the major changes and new features of Ext JS 4 using code examples, explanation, and screenshots of the result of the code. This book will help you understand the framework changes and you will be able to easily migrate Ext JS 3 applications and develop new Ext JS 4 applications using the presented examples.

Ext JS 4 is a JavaScript framework that provides resources to build Rich Internet Applications with great performance. Ext JS 4 has been packed with many new features and it is difficult to master, even for seasoned experts in Ext JS 3.

Ext JS 4 First Look teaches you the main functional areas of Ext JS 4 that have significant new features, explains the new features and how to use them, while highlighting the differences between Ext JS 4 and the previous versions.

This book will give you the knowledge to make the required changes to Ext JS 3 application to build a complete Ext JS 4 application.

This book provides examples of how to load Ext JS components by demand, charts, grid, tree, forms and panels, new data model, themes and mvc architecture.

Ext JS 4 First Look provides full examples and illustrations to help you easily learn the new features of Ext JS 4.

What you will learn from this book

  • Learn the major changes in Ext JS 4 and its compatibility with Ext JS 3, including how to load components by demand.
  • Understand how to use the new Data package, including new features such as Model, Associations, Validations, new Proxies, etc.
  • Organize Ext JS 4 components into containers using upgraded and new Layout engines.
  • Create bar, pie, radar, scatter, gauge, line, and area charts without using Flash and customize them.
  • Learn what has changed in Ext JS 4 components such as Grid, Tree, Form.s
  • Change and create new themes using Sass and Compass.
  • Build a complete application using the new Ext JS MVC architecture.
  • Compare Ext JS 3 with Ext JS 4 class names.

Approach

This book is a practical step-by-step tutorial which guides you to migrate from Ext JS 3 to Ext JS 4. There are examples backed with explanations and plenty of code and illustrations to look forward to.

Who this book is written for

This book is written for web developers who are familiar with Ext JS 3 and want to have detailed insights into the new features of Ext JS 4.

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