var deleteRow = $('<%= params[:element] %>');
var refreshUrl = '<%= params[:refresh_url] %>';

var refreshFunc = function(url) {
  $.ajax({
    url: url.length > 0 ? url : window.location.href,
    method: 'GET',
    dataType: "script"
  })
}

if(deleteRow.length > 0){
  var needRefresh = deleteRow.siblings().length == 0;

  deleteRow.remove();

  if(needRefresh){ refreshFunc(refreshUrl); }
} else {
  refreshFunc(refreshUrl);
}