Explain ExtJS 4 event handling

Question

I\'ve recently started learning ExtJS, and have trouble understanding how to handle Events. I have no experience of any previous versions of ExtJS.

From reading var

Answer 1

One more trick for controller event listeners.

You can use wildcards to watch for an event from any component:

this.control({
   '*':{ 
       myCustomEvent: this.doSomething
   }
});