JSFiddle - React, Tailwind, and code Playground

HTML

<script>
   function cambiavalor(dato) {
     document.forms[0].campotexto.value=dato;
     return true;
   }
</script>
<form>
  <input type="text" name="campotexto">
  <select onChange="javascript:cambiavalor(this.value)">
    <option value='DERECHO'>DERECHO</option>
    <option value='IZQUIERDO'>IZQUIERDO</option>
    <option value='AMBOS'>AMBOS</option>
  </select> 
</form>