code: function() {
           /* eslint-disable eqeqeq, no-self-compare */
           return [].reduce.call(arguments, function(soFar, x) {
              return soFar || x != x || typeof x != 'number';
           }, false);
           /* eslint-enable eqeqeq, no-self-compare */
        }
docs: /*
  Given an arbitrary number of arguments, returns whether
  any of the arguments is non-numeric or NaN/undefined/null.