<script>
$(function () {
    $(document).on('click', '.btn-danger', function (e) {
        e.preventDefault;
        var codigo = $(this).closest('tr').find('th[data-nome]').data('nome');
        var teste ='Teste';
       //alert(codigo);
    });
}); <?php$variavelphp = "<script>document.write(teste)</script>"; ?> </script>