Chapter 13. Code for Reuse: Extending Ext JS
In this chapter, we'll discuss how we can create our own custom components by extending the Ext JS library. We'll talk about how we can create our own namespaces, differentiating our custom components from others. We'll also discuss some other core object-oriented concepts (just enough to understand what we need here) and the concept of Event-Driven application architecture.
The issue has always been in each browser's implementation ...