JSFiddle - React, Tailwind, and code Playground

HTML

<pre><code id="myHTML"><span style='font-size:20px'>Click Here to Apply </span></code></pre>

JavaScript

function revealElementHTML(el) {
    var html = el.innerHTML;
    el.innerHTML = "";
    el.appendChild(document.createTextNode(html));
}
onload = function () {
    revealElementHTML(document.getElementById("myHTML"));
};