<div class="custom-radio">
   <input type="checkbox"  class="batchCheckbox" name="batch[]" value=" {{$item->indivgroup_option}}">
 <label><span></span>{{ ($item->indivgroup_option =='i')?"Individual Tour":"Group Tour" }}</label>
  </div>
 @endforeach

var categories;
 var getfilters = function () {
$.ajax({
    type: 'POST',
    headers: {
        'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
    },

    url:'{{URL::to('offer-category')}}',

    data: {categories: categories},
    error: function(e) {
        console.log(e.responseText);
    },
    success: function (data) {
        console.log(data);
        $('#myResponse').html(data);
    }});
 };


    $(document).ready(function() {
        $('input[type="checkbox"]').on('change', function(event) {
           event.preventDefault();
    categories = $("input:checkbox:checked").map(function(){
    return $(this).val();
      }).get(); // <----
    $('#myResponse').html(categories.toString()); // <---- 'one,two,three;
      getfilters();
        });
        });

public function getoffergroup(Request $request)
 {

 $input  = array(Input::get('categories'));
  $posts=Offer::whereIn('indivgroup_option' , $input)->get();
  $categories = Category::getGroup();
  return response()->view('offer.archive', compact('offers', 'categories'));
 }