Nodejs Array Each each(action)

Method Source Code

// Perform the given action on each element of the array.
Array.prototype.each = function (action) {
   this.map(function(el){action(el);});
   return this;/*w w w  .  j a  v a 2s.  c om*/
};

Related

1. each()

   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);
   };
   ...
   

2. each()

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

3. each(action)

   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));
   };
   

4. each(action)

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

5. each(action)

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

6. each(block)

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

7. each(callback)

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

8. each(callback)

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

9. each(callback)

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