Mevlish Dcosta
Thu, 27 Nov 2014 00:27:06 GMT
That is mean that `$$` is undefined in a place you write your code. Make sure that you don't forget to declare somewhere `$$ = Dom7`
// Export selectors engine var $$ = Dom7; I have this declared in the code
Then, it will be good to see full code where you declare $$ and where you use $$(document)