JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Hello</h1>
<div>
    Where is the content?
    <span id='content'></span>
</div>

JavaScript

var holder = document.getElementById('content');

//simulate ajax call
setTimeout(function() {
    var responseData = "<div><strong>Here I Come</strong> to save the day!</div>";
    
    holder.innerHTML = responseData;
    
}, 2500);