JSFiddle - React, Tailwind, and code Playground

HTML

<div class="my-node"></div>

JavaScript 1.7

var node = document.querySelector(".my-node"),
                event = document.createEvent("Event");

            node.addEventListener("myEvent", function (e) {
                alert("the event fired!!");
            }, false);

            event.initEvent("myEvent", false, false);

            event.target = node;

            node.dispatchEvent(event);