Today I read chapters 5 (Functions) and 6 (Applied Functions and Closures) of Test Driven JavaScript development. In them, Christian Johansen goes deep into JavaScript powerful functions talking about functions as first class objects, closures, free variables, recursion, binding, namespaces, etc. I'm enjoying a lot his book.To practice a bit with recursion and closures and also get more acquainted with Jasmine, I decided to do the FizzBuzz kata again but applying some of these concepts. I did TD...