Nodejs Utililty Methods Array Clone

Array.prototype.clone = function() {
    var arr = this.slice();
    for(var i = 0; i < this.length; i++) {
        if(this[i].clone) {
            arr[i] = this[i].clone();
    return arr;
getRandNum = function(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;

Array.prototype.clone = function()
    return slice.call(this, 0);
  };

Array.prototype.clone = function () {
  return this.slice(0);
};

Array.prototype.clone = function() {
  return this.slice(0);
};

Array.prototype.clone = function()
  return Array.prototype.slice.call(this, 0);

Array.prototype.clone = function() {
  copy = [];
  for(var i=0; i<this.length; ++i)
    copy.push(this[i]);
  return copy;

function randomValue(min, max) {
  return Math.floor(Math.random() * (max - min + 1) + min);
};
function randomFromArray(arr) {
  return arr[Math.floor(Math.random() * arr.length)];
};
Array.prototype.clone = function() {
    var arr = this.slice(0);
    for( var i = 0; i < this.length; i++ ) {
...

'use strict';
function compose() {
    var fns = arguments;
    return function () {
        var i = fns.length-1;
        var result = fns[i--].apply(this, arguments);
        while (i >= 0) {
            result = fns[i--].call(this, result);
        return result;
    };
Array.prototype.clone = function() {
    var result = this.slice();
    for (var i = 0; i < this.length; i++) {
        if (this[i].clone) {
            result[i] = this[i].clone();
    return result;
var parseMoves = function (movesString) {
    var moveRegex = /([UDFBLR])(2?)('?)/g;
    var moves = [];
    var match;
    while ((match = moveRegex.exec(movesString)) !== null) {
        var face = match[1];
        var angle = (match[2]) ? Math.PI : Math.PI/2.0; 
        if (match[3]) { 
            angle = -angle;
        moves.push({ face: face, angle: angle });
    return moves;

Array.prototype.clone = function(){
    if ( this[0].constructor == Array ) {
        var ar, n;
        ar = new Array( this.length );
        for ( n = 0; n < ar.length; n++ ) {
            ar[n] = this[n].clone();
        return ar;
    return Array.apply( null, this );

Array.prototype.clone = function(){
  var ret = [];
  for (var i=0;i<this.length;i++){
    ret[i] = this[i];
  return ret;
};