SomethingWrong.js

// Each of these functions has something wrong with it. Why won't it work and how can it be fixed?

//Produces the product of all numbers in an array
function product(numbers){
  var result = 0;
  for(var i = 0; i < numbers.length; i++){
    result *= numbers[i];
  }
  return result;
}

//more to come