JSFiddle - React, Tailwind, and code Playground

by Alexander

HTML

<div>Test</div>

JavaScript

console.clear();

var newHtml = "<h1>*end</h1>",
    parentList;

parentList = document.querySelector("div");

parentList.insertAdjacentHTML('beforeend', newHtml);
parentList.insertAdjacentHTML('afterend', newHtml);