$('.cari').select2({
        placeholder: 'Cari...',
        ajax: {
          url: "{{ url('master/guru/santri/ajax') }}",
          dataType: 'json',
          delay: 250,
          processResults: function (data) {
            return {
              results:  $.map(data, function (item) {
                return {
                  text: item.nama,
                  id: item.id
                }
              })
            };
          },
          cache: true
        }
      });