Button e modal

@can('fin-edit')
                <div class="col-lg-12" style="margin-left: 15px;">
                    <button id="btn-toggle" type="submit" class="btn btn-primary">Receber</button>
                </div>
            @endcan
        </form>
    </div>
    <div class="modal fade" id="modalCartao" tabindex="-1" role="dialog" aria-labelledby="modalCartao" aria-hidden="true">
        <div class="modal-dialog" role="document">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title" id="exampleModalLabel">Modal title</h5>
                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                        <span aria-hidden="true">&times;</span>
                    </button>
                </div>
                <div class="modal-body">
                    ...
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" >Close</button>
                    <button type="button" class="btn btn-primary">Save changes</button>
                </div>
            </div>
        </div>
    </div>

$('#formapagamento').change(function (e) {
                array = $(this).val().split(',');
                e.preventDefault();
                jQuery.ajax({
                    url: "{{ route('invoice.getformapagamento') }}",
                    method: 'post',
                    data: {
                        formapagamento: array,
                        _token: "{{csrf_token()}}",
                    },
                    dataType: 'json', // especifica que vai receber um json de retorno
                    success: function (data) {
                        if (data.data['categoria'] == 'cartao') {
                            $('#btn-toggle').click(function () {
                                $('#btn-toggle').attr("data-toggle", "modal");
                                $('#btn-toggle').attr("data-target", "#modalCartao");
                                $('#modalCartao').modal('show');
                                return false;
                            });
                        } else {
                            $('#btn-toggle').click(function () {
                                $('#btn-toggle').attr("data-toggle", "");
                                $('#btn-toggle').attr("data-target", "");
                                return true;
                            });
                        }
                    }
                });
            });