Move selected items to top of kendo multiselect

        change: e => orderMultiSelect.call(e.sender)
      });
      function orderMultiSelect(multi) {
        let ds = this.dataSource,
            sort = ds.sort();

        ds.sort(sort);
      }

        dataSource: {
          data: [{value: "California", text: "California"}, {value: "Alaska", text: "Alaska"}, {value: "Florida", text: "Florida"}, {value: "Delaware", text: "Delaware"}, {value: "Georgia", text: "Georgia"}],
          sort: {
            field: "text",
            dir: "asc",
            compare: (a, b) => {
              let selectedValues = $("#multiselect").data("kendoMultiSelect").value(),
                  aSelected = selectedValues.indexOf(a.text),
                  bSelected = selectedValues.indexOf(b.text);

              if (aSelected !== -1 && bSelected !== -1) {
                return a.text.localeCompare(b.text);
              }

              if (aSelected !== -1) return -1;
              if (bSelected !== -1) return 1;

              return a.text.localeCompare(b.text);
            }
          }
        }