require([ 'jquery' ], function($) { $(document).on('click.plugin.codetabs', '.codetabs .codetabs-header .tab', function(e) { var $btn = $(e.target); var $tabs = $btn.parents('.codetabs'); var tabId = $btn.data('codetab'); $tabs.find('.tab').removeClass('active'); $tabs.find('.tab[data-codetab="' + tabId + '"]').addClass('active'); }); });