Nodejs Array Each each(callback)

Method Source Code

Array.prototype.each = function(callback)
{
    for(var i = this.length; -- i >= 0 ;)
    {// w w w . j  a  v  a  2s  . c om
        if(false === callback(i,this[i]))
        {
            return;
        }
    }
}

Related

1. each(action)

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

2. each(block)

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

3. each(callback)

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

4. each(callback)

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

5. each(callback)

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

6. each(callback)

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

7. each(callback)

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

8. each(callback)

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

9. each(callback)

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