JSFiddle - React, Tailwind, and code Playground

HTML

<div id="site-info">
    <button onclick="item.Footer();">MUDAR DIV!</button>
</div>

JavaScript

(function () {
    window.item = {
        Name: "site-info",
        Html: "Powered by <a target='_blank' href='https://www.twitter.com/FRNathan13'></a>",
        Footer: function () {
            document.getElementById(item.Name).innerHTML = item.Html;
        }
    }
})()