I do not know how to get the values of the selected checkboxes. Example :
$('.listAdditional input:checkbox').change(function() { var favorite = []; //some active here }); <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.0/jquery.min.js"></script> <div class="listAdditional"> <div class="part1"> <h3>Состояние</h3> <input name="additional" id="i1" type="checkbox"> <label for="i1">Новый</label> <br> <br> <input name="additional" id="i2" type="checkbox"> <label for="i2">Как новый</label> <br> <br> <input name="additional" id="i3" type="checkbox"> <label for="i3">Б/у</label> <br> <br> <input name="additional" id="i4" type="checkbox"> <label for="i4">Показывать с фотографиями</label> <br> <br> </div> <div class="part2"> <h3>Наличие</h3> <input name="additional" id="i5" type="checkbox"> <label for="i5">В наличии</label> <br> <br> <input name="additional" id="i6" type="checkbox"> <label for="i6">Под заказ</label> <br> <br> <input name="additional" id="i7" type="checkbox"> <label for="i7">В архиве</label> <br> <br> </div> </div>