JSFiddle - React, Tailwind, and code Playground

HTML

<body id="hello" dir="auto" style="margin-top:0;margin-bottom:0;color:red" bgcolor="green"></body>

JavaScript

var newDiv = document.body.cloneNode();
document.body.appendChild(newDiv);
newDiv.outerHTML = newDiv.outerHTML.replace(/body/g,"div");