JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/msngr/3.1.0/msngr.min.js"></script>
<div id="output"></div>

JavaScript

msngr("MyTopic").on(function(payload) {
    var output = document.getElementById("output");
    output.appendChild(document.createTextNode("I received the following payload:"));
    output.appendChild(document.createElement("br"));
    output.appendChild(document.createTextNode(payload));
});

msngr("MyTopic").emit("This is crazy cool!");