code: function baseNth(array, n) {
        var length = array.length;
        if (!length) {
          return;
        }
        n += n < 0 ? length : 0;
        return isIndex(n, length) ? array[n] : undefined;
      }
docs: The base implementation of `_.nth` which doesn't coerce arguments.
  
  @private
  @param {Array} array The array to query.
  @param {number} n The index of the element to return.
  @returns {*} Returns the nth element of `array`.