title: ExtJS AOP similar to that provided in dojo?
body: <p>I have used this <a href="http://lazutkin.com/blog/2008/may/18/aop-aspect-javascript-dojo/" rel="nofollow noreferrer">dojo plugin</a> that provides a wonderful implementation of declarative AOP.  Does anybody know of a similar plugin/library for ExtJS or for vanilla JS?  </p>