code: function sort(array, radix) {
    if (array.length === 0) {
      return array;
    }
  
    radix = radix || 10;
  
    // Determine minimum and maximum values
    var minValue = array[0];
    var maxValue = array[0];
    for (var i = 1; i < array.length; i++) {
      if (array[i] < minValue) {
        minValue = array[i];
      } else if (array[i] > maxValue) {
        maxValue = array[i];
      }
    }
  
    // Perform counting sort on each exponent/digit, starting at the least
    // significant digit
    var exponent = 1;
    while ((maxValue - minValue) / exponent >= 1) {
      array = countingSortByDigit(array, radix, exponent, minValue);
  
      exponent *= radix;
    }
  
    return array;
  }
docs: Sorts an array using radix sort.
  @param {Array} array The array to sort.
  @param {number} [radix=10] The base/radix to use.
  @returns The sorted array.