JSFiddle - React, Tailwind, and code Playground

HTML

<button>Add JS</button>

JavaScript

$(function() {
    $('button').click(function() {
        var scriptNode = document.createElement('script');
        scriptNode.src = 'https://gist.github.com/raw/2767385/897cffca74411dbb542c0713bacb5a4048d6708b/gistfile1.js';
        scriptNode.onload = function() {
            $('button').triggerHandler('customEvent');
        };
        document.body.appendChild(scriptNode);
        
    });
});