text: $(document).ready(function () {
      let $ul = $('#hints_list');
      if (localStorage.length === 0) {
          $ul.append(
              '<li>No one tutorial passed yet.</li>'
          )
      }
      for (let i = 0; i < localStorage.length; i++) {
          let $li = $('<li></li>');
          let name = localStorage.key(i).replace(/_/g, ' ');
          name = name.substr(0, 1).toUpperCase() + name.substr(1) + ' hints';
          let $checkbox_div = $('<div class="uk-margin uk-grid-small uk-child-width-auto uk-grid">' +
              '<label><input name="' + localStorage.key(i) + '" class="uk-checkbox hint" type="checkbox"> ' + name + '</label>' +
              '</div>');
          $li.append($checkbox_div);
          $ul.append($li);
          $('input[name=' + localStorage.key(i) + ']')[0].checked = localStorage.getItem(localStorage.key(i)) === '1';
      }
      $('.hint').on('change', function () {
          localStorage.setItem($(this).attr('name'), Number($(this)[0].checked));
      })
  });
  