javascript - jQuery UI sortable - can't add item to bottom of list -


i trying create app has sortable lists. there list of categories sortable, , each category has list of items sortable. here javascript:

$(function() {   $( ".items" ).sortable({     connectwith: ".items",     placeholder: 'item placeholder',   });   $( ".categories" ).sortable({     connectwith: ".categories",     placeholder: {       element: function(currentitem) {         return $('<div class="category placeholder"></div>')[0];       },       update: function(container, p) {         container.refreshpositions();         return;       }     }   });    $( ".items" ).disableselection();   $( ".categories" ).disableselection();  });

see jsfiddle reference: http://jsfiddle.net/conman124/gmdbw/

the problem encountering is not easy move item 1 category bottom of other. seems have drag second last item in list, , can move down bottom. have looked @ (jquery ui sortable - unable drag elements bottom of connected list/column) similiar question , adding padding @ bottom in question didn't seem fix it.

does have suggestions fix this?


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