ui selector from list element in javascript

ui-selector.js

  function uiSelector($ulParent, $loader, $container) {

    var $activeItem = $ulParent.find('li:first-child');


    if ($('#label-selector').length === 0) {
      $ulParent.before('<div id="label-selector">' + $activeItem.text() + '</div>');

      $('#label-selector').on('click', function() {
        $ulParent.slideToggle();
        $(this).toggleClass('toggle');
      });
    }
    $ulParent.find('a').on('click.submenu-noticias', function() {
      console.log('onclick a')
      $('#label-selector').text($(this).parent('li').text());
      $ulParent.slideUp();
      $('#label-selector').removeClass('toggle');
    });
  }