$( "#accordion .panel" ).each(function( index ) { if($(this).attr("id") !== undefined ){ var id = $(this).attr("id"); var _link = $('#accordion #'+ id + ' a:first'); //_link.css('color', 'red'); //prepare the link _link.wrap(''); _link.addClass('collapsed'); _link.attr('data-toggle', 'collapse'); _link.attr('data-parent', '#accordion'); _link.attr('href', '#'+ id + "1"); var subA = $('#accordion #'+ id + ' ul:first a'); subA.unwrap(); subA.wrap('

'); var subULs = $('#accordion #'+ id + ' ul'); subULs.wrap(''); subULs.wrap(''); } $('#accordion ul li .panel').unwrap(); });