Nodejs Array Each each(func, scope)

Method Source Code

Array.prototype.each = function(func, scope) {
    for (var index = 0; index < this.length; index++) {
        func.call(scope || this, this[index]);
    }/*from   www  .j  a  v  a2  s . co  m*/
};

Related

1. each(fun)

   function emptyFn() {}
   function random(n) {
       return +n ? Math.floor(Math.random() * (n+1)) : Math.random();
   Array.prototype.each = Object.prototype.each = Function.prototype.each = function(fun) {
       for (var key in this) {
           if (this.hasOwnProperty && this.hasOwnProperty(key)) {
               if (fun.call(this, this[key], key, this) === false) {
                   return;
   ...
   

2. each(func)

   Array.prototype.each = function (func) {
       return _.each(this, func);
   };
   

3. each(func)

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

4. each(func)

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

5. each(func)

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

6. each(handler, context)

   Array.prototype.each = function (handler, context) {
       var size = this.length
       if (typeof context == "undefined") context = this
       for (var i = 0; i < size; i++) {
           if (handler.call(context, this[i], i) == false) break
   

7. each(iterationFunction)

   Array.prototype.each = function(iterationFunction) {
       this.eachIndex(function(element, index) {
           iterationFunction(element);
       });
   };
   

8. each(iterator)

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

9. each(iterator, context)

   Array.prototype.each = function(iterator, context)
     for(var i = 0, length = this.length >>> 0; i < length; i++)
       if(i in this)
         if(iterator.call(context, this[i], i, this) === false)
           return;