JSFiddle - React, Tailwind, and code Playground

HTML

<div id="Result"></div>
<input type="button" onclick="request();" value="Request"/>
<input type="button" onclick="removeResponse();" value="Remove response"/>

CSS

#Result {
    width: 100px;
    height: 100px;
    border: 1px solid blue;
}

JavaScript

function request() {
    var req = new XMLHttpRequest();
    req.open('GET', '/echo/html/', true);
    req.onreadystatechange = function (aEvt) {
        if (req.readyState == 4 && req.status == 200) {
            Result.innerHTML = 'This would be the response';
        }
    };
    req.send(null);
}

function removeResponse() {
    Result.innerHTML = null;
}