Nodejs Utililty Methods Array Shuffle

function random(min, max) 
  return Math.floor(Math.random() * (max - min + 1)) + min; 
};
function getRandomColor()
  return 'rgb(' + random(0, 255) + ', ' + random(0, 255) + ', ' + random(0, 255) + ')';
};
function generateRandomSymbols()
...

Array.prototype.shuffle = function (maxLength) {
    var currentIndex = this.length
    var temporaryValue;
    var randomIndex;
    var result;
    maxLength = maxLength || this.length
    while (0 !== currentIndex) {
      randomIndex = Math.floor(Math.random() * currentIndex);
      currentIndex -= 1;
...

Array.prototype.shuffle = function (n) {
    var params = [].slice.call(arguments);
    var index = -1,
        result = this,
        length = result.length,
        lastIndex = length - 1;
    while (++index < n) {
        var rand = index + Math.floor(Math.random() * (lastIndex - index + 1));
            value = result[rand];
...

Array.prototype.shuffle = function(times) {
    if(undefined === times) times = this.length * 2;
    var temp;
    while(times--) {
        var a = Number.random(0, this.length - 1);
        var b = Number.random(0, this.length - 1);
        temp = this[a];
        this[a] = this[b];
        this[b] = temp;
...

Array.prototype.shuffleMe = function() {
    var array_length = this.length;
    var loop_no = array_length;
    while (--loop_no > 0) {
        var random_number = Math.floor(Math.random() * (loop_no + 1));
        var value = this[random_number];
        this[random_number] = this[loop_no];
        this[loop_no] = value;
    return this;
var array = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'];
var result = array.shuffleMe();
console.log(result);

Array.prototype.shuffled = function() {
  return this.map(function(n){ return [Math.random(), n] })
             .sort().map(function(n){ return n[1] });
};

function shuffle(myArray) {
  var i = myArray.length;
  if ( i == 0 ) return false;
  while ( --i ) {
     var j = Math.floor( Math.random() * ( i + 1 ) );
     var tempi = myArray[i];
     var tempj = myArray[j];
     myArray[i] = tempj;
     myArray[j] = tempi;
...

Math.shuffleArray = function(arr)
  var i = arr.length;
  if ( i == 0 ) return false;
  while ( --i ) {
  var j = Math.floor( Math.random() * ( i + 1 ) );
  var tempi = arr[i];
  var tempj = arr[j];
  arr[i] = tempj;
...

Array.prototype.doShuffle = function() {
  var j, x, i;
  for(i = this.length-1; i >= 0; --i) {
    j = Math.floor(Math.random() * i);
    x = this[i]; this[i] = this[j]; this[j] = x;
};
Array.prototype.shuffle = function() {
  var r = this.slice();
...