JSFiddle - React, Tailwind, and code Playground

HTML

<div id="main"></div>
<button onclick="myFunction()">Try it</button>    
    <p id="demo"></p>

JavaScript

$(function() {
    $( "#main" ).html('<p>Date: <input type="text" id="datepicker"></p>');
    $( "#datepicker" ).datepicker();
  });


function myFunction()
{
document.getElementById("demo").innerHTML='123';
}