Hidden Doc Gem - ExtJS

hi again

OK i just found this out last Monday and it was there all along i just never paid attention to it and found it extremely handy.
This http://extjs.com/learn/Ext_Manual there is a lot of JS introduction and also good to read about the component model http://extjs.com/learn/Ext_2_Overview#Component_Model
I just though i d blog about it cause It was easy to miss