JSFiddle - React, Tailwind, and code Playground

HTML

<script type='text/javascript'>
    function changethem() {
  var allOptions = document.getElementsByTagName("option");
  for (var i=0; i<allOptions.length; i++) {
    allOptions[i].innerHTML = allOptions[i].value;
  }
}
</script>

<select name="options" >
    <option value="apple">Fruit</option>
    <option value="rye">Bread</option>
    <option value="beer">Beverage</option>  
</select>
<button onclick='changethem()'>Change them</button>