JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/require.js/2.3.2/require.js"></script>

JavaScript

requirejs.config({
"paths":{
    "react": "https://unpkg.com/[email protected]/dist/react",
    "react-dom": "https://unpkg.com/[email protected]/dist/react-dom"
	}
});

require(["require", "exports", 'react', 'react-dom'], function (require, exports, React, ReactDOM) {
    "use strict";    
    console.log(ReactDOM);
    alert(ReactDOM);
});