LeCoupa

/* *******************************************************************************************
 * THE UPDATED VERSION IS AVAILABLE AT
 * https://github.com/LeCoupa/awesome-cheatsheets
 * ******************************************************************************************* */


// 0. Synopsis.
// http://nodejs.org/api/synopsis.html

damirm

/**
 * Fast method
 */
function shift(arr, direction, n) {
   var times = n > arr.length ? n % arr.length : n;
   return arr.concat(arr.splice(0, (direction > 0 ? arr.length - times : times)));
}

/**
 * Slow method

lromor

# Copyright (C) 2022 Leonardo Romor
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the