[Dilettante_Pro]

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="ctf--b-filt-c-item open ctf--b-filt-c-item--active">
  <div class="ctf--b-filt-c-head"><span class="b-txt">Единица измерения:</span></div>
  <div class="ctf--b-filt-c-body" style="display: block;">
    <div class="ctf--b-wpr-scr">
      <ul class="ctf--b-filt-check-list ctf--b-filt-check-list--double">        
        <li>
          <input type="checkbox" id="idchkk_2_0_0" value="11770">
          <label for="idchkk_2_0_0">
            <i></i>
            Килограмм
          </label>
        </li>
        <li>
          <input type="checkbox" id="idchkk_2_0_1" value="11771">
          <label for="idchkk_2_0_1">
            <i></i>
            Тонна
          </label>
        </li>
      </ul>
      <ul class="ctf--b-filt-check-list ctf--b-filt-check-list--double">
      </ul>
    </div>
  </div>
</div>


<div class="ctf--b-filt-c-item open ctf--b-filt-c-item--active">
  <div class="ctf--b-filt-c-head"><span class="b-txt">Полярность:</span></div>
  <div class="ctf--b-filt-c-body" style="display: block;">
    <div class="ctf--b-wpr-scr">
      <ul class="ctf--b-filt-check-list ">
        <li>
          <input type="checkbox" id="idchkk_2_2_0" value="11773">
          <label for="idchkk_2_2_0">
            <i></i>
            Обратная
          </label>
        </li>
        <li>
          <input type="checkbox" id="idchkk_2_2_1" value="11776">
          <label for="idchkk_2_2_1">
            <i></i>
            Прямая
          </label>
        </li>
      </ul>
    </div>
  </div>
</div>

</div>

<div id="count"></div>
<div id="unit"></div>

<script>
var items = $('.ctf--b-filt-c-item');

$('.ctf--b-filt-check-list :checkbox').on('change', function() {
   var checked, count = 0, labelText, headerText, resultText = '';
   items.each(function (i, el) {
      headerText = $(el).find('.ctf--b-filt-c-head span').text();
      checked = $(el).find('.ctf--b-filt-check-list :checkbox').filter(':checked');
      count += checked.length;
      labelText = checked.map(function(idx, elm) {
           return $(el).find('label').filter('[for="' + elm.id + '"]').text();
      }).get().join(','); 
      if(labelText.length > 0) resultText += headerText + labelText + '<br>';
   });
   $('#count').html('Выбрано: ' + count);
   $('#unit').html(resultText );
});
</script>

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