[Aetae]

$(document).ready(function(){
        $('.delete').click(function(){
             
            var id = $(this).parent('td').prevAll('.index').html();
             
            $.post(
                '/admin/ajax',
                {data:id},
                complete
            );
 
        });
         
        function complete(data){
                var selec = '#7';
                var step = $(selec);
                console.log(step);
            }
    });