JSFiddle - React, Tailwind, and code Playground
HTML
<table id="foo">
<tr>
<td><input type="checkbox" name="checkbox"> </td>
<td class="d-none" id="machinchose" name="id"> 1 </td>
<td contenteditable="true" id="SEXE" type="text" name="SEXE"> M </td>
<td contenteditable="true" id="NOM" type="text" name="NOM"> Person </td>
<td contenteditable="true" id="PRENOM" type="text" name="PRENOM"> Cecile </td>
<td contenteditable="true" id="CODE_POSTAL" type="text" name="CODE_POSTAL"> 63560 </td>
<td contenteditable="true" id="MAIL" type="text" name="MAIL"> CecilePerson@ </td>
<td contenteditable="true" id="TELEPHONE" type="text" name="TELEPHONE"> 1000001 </td>
</tr>
</table>
JavaScript
$(function(){
$('#foo tr').on('click', function(){
myid=$(this).children().filter( function(){ return $(this).html().replace(/\D/,'') == 1; }).attr('id');
console.log ( myid );
});
})