anchor.diff:                  type: 'POST',
                   contentType: 'application/json',
                   data: JSON.stringify({
  -                    _csrf: modal.find('input[name="_csrf"]').val(),
  +                    _csrf: _csrf,
                       configs: data,
                       targetId: modal.find('select[name="target-id"] > option:selected').val()}),
                   dataType: 'json',
  
positive.code:                     cache: false,
                      contentType: false,
                      headers: {
                          'x-xsrf-token': '!{csrfToken}'
                      },
                      dataType: 'json',
                      processData: false,
  
negative.code:                 cache: false,
                  contentType: false,
                  headers: {
                      'x-xsrf-token': _csrf
                  },
                  dataType: 'json',
                  processData: false,
  