JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>
            <select id="ListeElement" name ="ListeElement" onchange="changeLabel(this)"> 
               <option value="Option 1">Option 1</option> 
               <option value="Option 1">Option 2</option>
            </select> 
        </td>
        <td>
            <span id="labelElement" name="labelElement" onchange="changeLabel(this)">option</span>
        </td>
    </tr>
    <tr>
        <td>
            <select id="ListeElement" name="ListeElement" onchange="changeLabel();"> 
               <option value="Option 1">Option 1</option> 
               <option value="Option 1">Option 2</option>
            </select> 
        </td>
        <td>
            <span id="labelElement" name="labelElement" onchange="changeLabel()">option</span>
        </td>
    </tr>
</table>

JavaScript

function changeLabel(that){
     var e = document.getElementsByName("ListeElement");
     document.getElementsByName("labelElement")[0].innerHTML = e.options[e.selectedIndex].value;
    
}