9. Functions with two parameters


#1



var perimeterBox = function (width, length){
    return length + length + width + width;
};
perimeterBox(34*97)


The code is right, just every time i run it, it gives me: null.
Why?


#2

Hi in your call function

perimeterBox(34*97)

instead of * put ,


#3

great thx. its dudes like you who make this fun!!