JSFiddle - React, Tailwind, and code Playground

HTML

<div id="response"></div>

JavaScript

var ajax_response='var message="Hello World!";';

 function printMessage(){
    alert(message);
  }

var res=document.getElementById('response');
res.innerHTML="<input type=\"button\" onclick=\"printMessage()\" value=\"test\" />";

var sc=document.createElement('script');
sc.text=ajax_response;
res.appendChild(sc);