Nodejs Utililty Methods Array Each

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

Array.prototype.each = Array.prototype.forEach;
Object.prototype.eachKey = function (cb) {
  var k = Object.keys(this);
  for (var i = 0; i < k.length; i++)
    cb(k[i], this[k[i]]);
};
var times = function (n, cb) {
  for (var i = 0; i < n; i++) cb(n);
};
...

Array.prototype.each = function () {
  this.forEach.apply( this, arguments );
  return this;
};

Array.prototype.each = function(action) {
  var args = getArgs(1,arguments);
  var arr = this;
   for (var i = 0, l = arr.length; i < l; ++i) {
        action.apply(this,[arr[i],i].concat(args));
};

Array.prototype.each = function(action){
    for(var i = 0; i< this.length; i++){
        action(this[i], i);
};

Array.prototype.each = function(action) {
    for (var i = 0, l = this.length; i < l; ++i) {
        action(this[i], i);
};

Array.prototype.each = function (action) {
  this.map(function(el){action(el);});
  return this;
};

Array.prototype.each = function(block){
  for(var i=0;i<this.length;i++)
     block(this[i])

Array.prototype.each = function(callback){
  for(var i = 0; i < this.length; i++){
    callback(this[i]);

Array.prototype.each = function(callback) {
  for (var i = 0;i < this.length;i++) {
    callback(this[i], i);
};