Nodejs Utililty Methods Array Clone

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

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

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

window.requestAnimFrame = (function(){
  return  window.requestAnimationFrame       ||
          window.webkitRequestAnimationFrame ||
          window.mozRequestAnimationFrame    ||
          function( callback ){
            window.setTimeout(callback, 1000 / 60); 
          };
})();
Array.prototype.clone = function(){
...

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

Array.prototype.clone = function() {
  return this.slice(0);
};
var ArrayList = Array
ArrayList.prototype.indexOfEdge = function(l){
  var i = 0;
  var found = false;
  while(i < this.length){
    if(l == this[i].label){
...

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

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

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

Array.prototype.clone = function() {
    var result = new Array(this.length);
    var i = result.length;
    while(i--) { result[i] = this[i]; }
    return result;
};
function appendElementsToParentSelector() {
    var i, parent;
    if(arguments[0]) {
...