From these course modules, you will learn the basics of building an ExtJS web application. You will learn the principles behind building that app, how to build an app from scratch, as well as how to navigate through the process of what controls and modules to use. You will learn a couple basic ExtJS controls, including the grid and form panels. You will learn how to use the ExtJS layout managers, as well as all the different types of layouts. Finally, a complete example application using the ExtJS build system (CMD) and MVC is put together.