Typical usage of ExtJS leverages the framework to build single-page rich-applications (RIA). The simplest way to get started is to make use of Sencha Cmd, a CLI build tool covering most of the general concerns in a deployment life-cycle, primarily:
The second step is download the SDK, ExtJS is a commercial product - to obtain a copy, one of:
After downloading the SDK ensure the archive is extracted before proceeding.
Note: See the official Getting Started documentation for a comprehensive guide to ExtJS projects.
After installing Sencha Cmd, it's availability can be verified by opening a console window and running:
> sencha help
We now have the tools necessary to create and deploy ExtJS applications, take note of the directory location where the SDK was extracted as this will be required in further examples.