zlFast

var arr = [{id: 1, label: 'test'},{id: 2, label: 'test1'},{id: 3, label: 'test2'},{id: 4, label: 'test3'},{id: 5, label: 'test4'},{id: 6, label: 'test5'}];
for(var i = 0; i < arr.length; i++){
   $('селектор-куда-добавить-эту-структуру').append('<input type="checkbox" id="id'+arr[i].id+'" name="'+arr[i].label+'"/><label for="id'+arr[i].id+'">'+arr[i].label+'</label>');
}

$(document).ajaxComplete(function() {
    // Код
});

var data = [
  {id: 1, label: 'test'},
  {id: 2, label: 'test1'},
  {id: 3, label: 'test2'},
  {id: 4, label: 'test3'},
  {id: 5, label: 'test4'},
  {id: 6, label: 'test5'}
];

$.each(data, function(key, value) {
  var attr = $.extend(value, {
    'id': 'id' + value.id,
    'type': 'checkbox'
  });

  $('<input />').attr(attr).appendTo('body');
  $('<label />').attr('for', attr.id).text('text' + (key || '')).appendTo('body');
});

$.each([{id: 1, label: 'test'},{id: 2, label: 'test1'},{id: 3, label: 'test2'},{id: 4, label: 'test3'},{id: 5, label: 'test4'},{id: 6, label: 'test5'}], function(item) {
    $('body').append('<input type="checkbox" id="id' + item.id + '" name="test"/><label for="id"'+ item.id + '">' + item.label + '</label>');
});

.then(function (response) {
                    params.total(response.total);
                    $scope.users = response.data;
                    return response.data.map(function(u) { 
                      u.sortName = u.userName.toLowerCase();
                      return u; // Это вот забыли   
                    });
                });

function removeLast(string) {
    var products = string.split(',');
     products.pop();
     return products.join(',');
}

var a = [
  {name: 'Victor'},
  {name: 'Andrew'}
].sort(function(a, b){
  var aname = a.name.toLowerCase(),
    bname = b.name.toLowerCase();
  if(aname < bname) return -1;
  if(aname > bname) return 1;
});

var n = 1.32;

n = n.toString();
n = n.split('.'); // ['1', '32']

var myselect = document.getElementById('myselect'),
    selIndx = 0;
myselect.addEventListener('focus', function() {
    selIndx = this.selectedIndex;
    this.options[this.options.length - 1].selected = true;
}, false);
myselect.addEventListener('blur', function() {
    this.selectedIndex = selIndx;
}, false);
myselect.addEventListener('change', function() {
    selIndx = this.selectedIndex;
    this.blur();
}, false);

var sel = document.querySelector('select');
sel.options[0].textContent = 'от ' + sel.options[0].textContent;
sel.addEventListener('change', function(){
	var curIndex = this.selectedIndex;
    [].forEach.call(this.options,function(opt, i){
    	if(i === curIndex) {
        	opt.textContent = 'от ' + opt.textContent;
        } else {
        	opt.textContent = opt.textContent.replace(/[^\d]+/,'');
        }
    });
});

[].forEach.call(this.options,function(opt, i){
    opt.textContent =  i === curIndex ? 'от ' + opt.textContent : opt.textContent.replace(/[^\d]+/,'');
});

cloneNode

replaceChild

<div id="inp1"></div>
<div id="inp2"></div>

function replaceElements(elemOne, elemTwo){
  var next = elemOne.nextElementSiblings,
        parentOne = elemOne.parentNode,
        parentTwo = elemTwo.parentNode
  ;
  
  parentTwo.insertBefore(elemOne, elemTwo);

  if(next){
     parentOne.insertBefore(elemTwo, next);
  }else{
     parentOne.appendChild(elemTwo);
  }

}

replaceElements(inp1, inp2);

$('#first').insertAfter('#second');
// или аналогично
// $('#second').insertBefore('#first');

function myRound(number) {
  var decimal = number - Math.floor(number);
  if (decimal > 0.01) {
    return number + 0.5;
  }
  return number;
}