JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container"></div>

JavaScript

var newIframe = document.createElement("iframe");
var container = document.getElementById("container");
container.appendChild(newIframe);
var iframeContent = newIframe.contentWindow.document;
iframeContent.open();
iframeContent.write("<input type='text' />");
iframeContent.close();
newWidget.setAttribute("sandbox", "allow-scripts");