js: heid columns from table : i wanna heid some of columns in my table

1. in this table i want to heid columens 10-20 but wen i use som code like (styl.display=blocke) it hide just th th title of columns without included celle. i nedd a slotion that to be able to heid the specific columns.
   thanks
   [tabl that insertet rows afther submit the form][1]

    <td class="td_class">

        <table class="_table" id="displayList" name="displayList" action="terminsuchen" cellspacing="">
           
              <thead>
                <tr>
                    <!-- <th>Nr.</th> -->
                    <th>1</th>
                    <th>2</th>
                    <th>3</th>
                    <th>4</th>
                    <th>5</th>
                    <th>6</th>
                    <th>7</th>
                    <th>8</th>
                    <th>9</th>
                    <th>10</th>
                     <th>11</th>
                    <th>12</th>
                    <th>13</th>
                    <th>14</th>
                    <th>15</th>
                    <th>16</th>
                    <th>17</th>
                    <th>18</th>
                    <th>19</th>
                    <th>20</th>

                </tr>
            </thead>
            <tr></tr>


        </table>
    </td>```


  [1]: https://i.stack.imgur.com/KK8KI.jpg