O'Reilly logo

Learning Ext JS 4 by Armando Gonzalez, Crysfel Villa

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Summary

In this chapter we have learned the importance of the tree panels and how the Ext JS library has implemented a very robust component that supports all the common configurations we need while developing our applications. As with all components in the library it is very important to know in which situation we should use each component.

Remember when developing an Ext JS application we don't need to know all the properties of the classes by memory, we can always go and search the awesome API documentations the library has.

In the next chapter we are going to see how drag-and-drop works in Ext JS 4. This chapter will be very interesting because we can always enhance our applications, because some UIs work better and are more intuitive with drag-and-drop. ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required