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Ext JS 4 Web Application Development Cookbook by Stuart Ashworth, Andrew Duncan

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Chapter 1. Classes, Object-Oriented Principles and Structuring your Application

In this chapter, we will cover:

  • Creating custom classes using the new Ext JS class system
  • Using inheritance in your classes
  • Adding mixins to your classes
  • Scoping your functions
  • Dynamically loading Ext JS classes
  • Aliasing your components
  • Accessing components with component query
  • Extending Ext JS components
  • Overriding Ext JS functionality

Introduction

In this chapter, you will learn how to harness the power of Ext JS 4's new class system, and extend the framework's functionality.

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