Here you can find the source of foreach( callback )
Array.prototype.foreach = function( callback ) { for( var k=0; k<this .length; k++ ) { callback( k, this[ k ] );/* w w w . ja va 2 s . com*/ } };
Array.prototype.forEach1 = function ( callback ) { for (var j = 0, k ; k=this[j++]; ) { callback(k,j,this) ; } Array.prototype.forEach2 = function ( callback ) { for (var j = 0 ; j < this.length; j++ ) { callback(this[j],j,this) ; } Array.prototype.forEach3 = function ( callback ) { var j = 0 ; while( this[j++] ) { callback(this[j],j,this) ; } var a = [1,2,3,4,5,6,7,8,9,0] ; function unit ( method ) var s = [] ; a[method]( function (v,i,a) { s.push(i+":"+v); } ) return s ; function loop ( size, method ) { var t1 = new Date() ; while ( size--) { unit(method); } return (new Date()) - t1 ; loopall = function ( ) { var s = [] ; var j = 0, method ; while ( method = arguments[j++] ) { s.push( method + ": " + loop( 1e4 , method ) + " ms " ) ; return s ; } ( "forEach1", "forEach2", "forEach3" ) .join("\n") ;
Array.prototype.forEach2 = function (a) { for (var b = 0; b < this.length; ++b) a(this[b], b, this) }; Array.prototype.map2 = function (a) { var l = this.length; var array = new Array(l), i = 0; for (; i < l; i++) { array[i] = a(this[i], i) ...
'use strict'; Array.prototype.forEachCallback = function(callback, finishCallback) { var current = 0; var self = this; var next = function() { if (!self) { console.log("Something went wrong..."); throw('No self!'); return; ...
var async = require('async'); var worker = function(array,callback,compliteCallBack){ var index = 0; var q = async.queue(function(item,cb){ var cback = function(){ index = index+1; cb(); }; callback(item,index,cback) ...
var async = require('async'); var worker = function(array,callback,compliteCallBack){ var index = 0; var q = async.queue(function(item,cb){ var cback = function(){ index = index+1; cb(); }; process.nextTick(function(){ ...
Array.prototype.foreach = function( callback ) { for( var k=0; k<this .length; k++ ) { callback( k, this[ k ] ); Object.prototype.foreach = function( callback ) { for( var k in this ) { if(this.hasOwnProperty(k)) { callback( k, this[ k ] ); ...
Array.prototype.foreach = function(callback) { for(var i in this) if(this.hasOwnProperty(i)) callback(this[i]); return this;
Array.prototype.foreach = function(callback) for (var i = 0; i < this.length; i++) callback(this[i]) Array.prototype.getRandomIndex = function() var n = Math.floor(Math.random()*this.length) return n Array.prototype.getRandomElement = function() var n = this.getRandomIndex() return this[n] var Arrays = { remove: function(obj, arr) { var index = arr.indexOf(obj); if (index != -1) arr.splice(index, 1); }, contains: function(obj, arr) { return arr.indexOf(obj) > -1; }, addIfAbsent: function(obj, arr) { if (!Arrays.contains(obj, arr)) { arr.push(obj); }, getRandomElement: function(arr) { var n = this.getRandomIndex(arr); return arr[n]; }, getRandomIndex: function(arr) { var n = Math.floor((Math.random()*arr.length)); return n; };
Array.prototype.foreach = function(fn) { for (let i = 0; i < len; i++) fn(this[i], i, this); };