tarzak

function countClasses(array) {
    var object = {}
        ;

    array.forEach(function(element) {
        if (object[element]) {
            object[element]++;
        }
        else {
            object[element] = 1;

tarzak

var arr = [1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10]
  , i
  , sum
  ;

console.time("while");
  i = arr.length;
  sum = 0;
  
  while (i--)

tarzak

function square(a) {
  return a*a;
}

function squareMaxElements (a,b,c) {
  var min = Math.min(a,b,c)
    , arr = [a,b,c]
    ;
  
  return arr = arr.filter(function (element) {

tarzak

[{a:1},{a:undefined},{a:3}].reduce( function(a,b) {
  if (b.a) {
   return a+=b.a
  }
  else {
    return a
  }
},0)

tarzak

//function to test
function aPlusB (a,b) {
  return a+b
};

//test-function
function testAplusB (func) { 
  return func(2,1) === 3 
};

tarzak

function createList(array) {
    var list = createNext(0, array);
    
    return list;
}

function createNext(i, array) {
    var result;
    
    if (i < array.length) {

tarzak

function changeVal (obj, path, val) {
  var arr = path.split('.');
  var object = obj || {};
  var tempObj = object;
  
  for (var i = 0; i < arr.length - 1; i += 1) {
    if(typeof tempObj[arr[i]] !== 'object') {
      tempObj[arr[i]] = {};
    }
    tempObj = tempObj[arr[i]];

tarzak

function compareTwoObjects (objOne, objTwo) {
  var property
    , checker = true
    ;
  
  for (property in objTwo) {
    if (!objOne[property] || objTwo[property] !== objOne[property] ) {
      checker = false;
      return checker;
    }

tarzak

var arr = [5,3,2,1,4];

function bSort(arr) {
  var i,j,temp;
  
  for (i = 0; i < arr.length; i += 1) {
    for (j = i + 1; j < arr.length; j += 1) {
      if (arr[i] > arr[j]) {
        temp = arr[i];
        arr[i] = arr[j];

tarzak

var arr = [
    {ccy:"EUR", balance:1000},
    {ccy:"USD", balance:"2700"},
    {ccy:"EUR", balance:"5600"},
    {ccy:"USD", balance:"2500"}
  ] 

var newArr = [];

arr.reduce(function(previousValue, currentValue, index, array) {