function arrayMin(array) {
      var index = -1,
          length = array.length,
          result = POSITIVE_INFINITY;

      while (++index < length) {
        var value = array[index];
        if (value < result) {
          result = value;
        }
      }
      return result;
    }
A specialized version of `_.min` for arrays without support for iteratees.

@private
@param {Array} array The array to iterate over.
@returns {*} Returns the minimum value.