Someone

<script type="text/javascript">
                
                     
function Methode () {
  var input = document.createElement("input");
  input.setAttribute("name","Option"+i);
  input.setAttribute("value","Option"+i);
   document.Test.appendChild(document.createElement("br"));
  document.Test.appendChild(input);
  i++;
}
var i=0;

        </script>
        <input type="button" name="button"  value="addfield"
                   onclick="Methode()">
<table>
<tr>
<td name="test">
</td>
</tr>
</table>