Really confused completely. Right now i am in a state of illusion :(. Trying to know which js framework will be best suited to my application. We will try to learn something about sencha today. By the way first you should understand what it is and what differs from other frameworks?
What is Sencha?
What differs from other frameworks?
Lets compare with most popular Angularjs..
http://docs.sencha.com/extjs/4.2.2/ // old version
http://docs.sencha.com/extjs/5.0.0/ //new version
My Understanding: According to my understanding, this sencha ext js is not supported for mobiles. It only supports to desktops,laptops and tablets for now. Hence i am switching over to sencha touch. Plz check my articles to start up with sencha touch.