JSFiddle - React, Tailwind, and code Playground

JavaScript

var script = document.createElement('script');
document.getElementsByTagName("head")[0].appendChild(script);
//check if script was loaded
script.onload = function() {
    alert('loaded');
}
//check if it didn't load
script.onerror = function() {
    alert('foo!');
}
script.src = 'http://nothingishere.pl/script.js';