Chapter 1. A framework apart
This chapter covers
- Learning what’s new in Ext JS 4.0
- Obtaining the source code
- Exploring a “Hello world” example
Envision a scenario where you’re tasked to develop an application with many of the typical user interface (UI) widgets such as menus, tabs, data grids, dynamic forms, and stylized pop-up windows. You want something that allows you to programmatically control the position of widgets, which means it has to have layout controls. You also want detailed and organized centralized documentation to ease your learning curve with the framework. Finally, your application needs to look mature and go into beta phase as quickly as possible, which means you don’t have a lot of time to toy with HTML and CSS. Before ...