Overview of Ext JS 4

Let’s get started with Ext JS 4. In this chapter you’ll learn Ext JS 4 from scratch. We’ll install it, configure it, and churn out some code to get a feel for the API.

Downloading Ext JS 4

Getting started with Ext JS 4 is really easy. You can download the latest stable version of Ext JS 4 from . You have two options that you can choose for downloading.

  • Commercial trial version: You can download a 45-day commercial evaluation version of Ext JS 4. You can buy commercial licenses for Ext JS 4, based on your project needs, from .
  • GPL ...

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