code: function applySearch(strSearch) {
          sbSearch.parse(strSearch);
          setFilterBtnStates();
          $sidebarNodes.each(function () {
              var node = $(this);
              var show = true;
              if (sbSearch.scope.length > 0) {
                  show = sbSearch.hasScope(node.attr('data-scope'));
              }
              if (show && sbSearch.kind.length > 0) {
                  show = sbSearch.hasKind(node.attr('data-kind'));
              }
              if (show && sbSearch.keywords.length > 0) {
                  // get the data keywords to be searched from each node's target
                  // attribute.
                  show = sbSearch.matchesAnyKeyword(node.attr('data-keywords'));
              }
              if (show) {
                  node.removeClass('hidden');
              } else {
                  node.addClass('hidden');
              }
          });
      }
docs: Applies the search filter by showing/hiding corresponding nodes in the
  sidebar.
  @private
  @param {String} strSearch - String to search.