This test is not working properly. Let me prove it.
Place this code in the function:
Three cases are suppose to return undefined:
addTogether("http://bit.ly/IqT6zt") should return undefined.
addTogether(2, "3") should return undefined.
addTogether(2)() should return undefined. < -------- fails.
The last case fails to accept the undefined. I have been working on this for three days now,
I can follow up by posting my code. I have it set up so that it MUST return an undefined if either
parameter does not pass the typeof test, testing for 'number'. Cannot proceed from here,
as there is no logical action left to take.
BTW, if you return 5, the test also fails on one outcome.