JSFiddle - React, Tailwind, and code Playground

HTML

<form>
    <select name="id_personen">
      <option value="0">Herr K.</option>
      <option value="1">Frau B.</option>
      <option value="2">Frau Y.</option>
      <option value="3">Herr G.</option>
    </select>
    <input type="submit" value="absenden">
</form>
<div class="output"></div>

JavaScript

$(document).ready(function(){
    $('form').submit( function(event){ 
        event.preventDefault();
        
        $('.output').append('<div>Select ID ist: '+$('Select').val()+'</div>' );
        console.log($('Select'));
    });
});