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Ext JS 6 By Example by Anand Dayalan

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Chapter 2. Core Concepts

Before we start building a sample project in the next chapter, you'll learn some core concepts in Ext JS, which will help you to understand the sample project easily. The following topics will be covered in this chapter:

  • The class system, and creating and extending class
  • Events
  • Querying
  • Containers
  • Layouts

The class system

Ext JS provides a number of functions that make it simple to create and work with classes.

The following are the classes in the Ext JS 6 class system:

  • Ext
  • Ext.Base
  • Ext.Class
  • Ext.ClassManager
  • Ext.Loader

Ext

Ext is a global singleton object that encapsulates all classes, singletons, and utility methods in the Sencha library. Many commonly used utility functions are defined in Ext. It also provides shortcuts to frequently ...

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