JSFiddle - React, Tailwind, and code Playground

HTML

<form>
<select id="myList" >
  <option value="default">Default</option>
  <option value="theme1">Theme 1</option>
  <option value="theme2">Theme 2</option>  
  <option value="theme3">Theme 3</option>
</select>
<form>

JavaScript

document.getElementById("myList").onchange = function() {
//   setActiveStyleSheet(this.value);
  alert(this.value)
   return false
};