Ndtyjky

    $('.table-salva').click(function() {

                $(this).parents('tr').attr("contenteditable", "false");

            });



    $('.table-modifica').click(function() {

                $(this).parents('tr').attr("contenteditable", "true");

            });

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.3.1/jquery.min.js"></script>

<div class="table-editable">

    <table id="table" class="tabella text-center">

        <thead>

            <tr class="hide">

                <th>ID</th>

                <th>Data</th>

                <th>Entrata</th>

                <th>Uscita</th>

            </tr>

        </thead>

        <tbody>

            <tr>

                <td>#</td>

                <td>AAAA-MM-GG</td>

                <td>00:00</td>

                <td>00:00</td>

                <td id="bottoni">

                    <span class="table-salva"><button disabled type="button" class="btn btn-danger btn-rounded btn-sm my-0">Salva</button></span>

                    <span class="table-modifica"><button disabled type="button" class="btn btn-danger btn-rounded btn-sm my-0">Modifica</button></span>



                </td>

            </tr>

        </tbody>   

    </table>

</div>