I have:

var f1 = function(a){
    alert(a)
}

var f2 = function(data, method){
    method(data) // the problem is here, 
    // the method f1 is not called. Is there a way to call that method f1?
    // the method f1 might not be in this scope, the method f1 can 
    // be in a class or like this... 
}

f2(a, f1)

The question is: Is there a way to call that f1 from f2, from the passed method? thanks