JSFiddle - React, Tailwind, and code Playground

by msfrisbie

HTML

<div id="container">
  <p id="content">
    Foo bar
  </p>
</div>

JavaScript

// Create MutationObserver instance and use console.log as the callback
const observer = new MutationObserver((mutationRecord) => console.log('mutation observed!', mutationRecord));
const element = document.querySelector('#container');

observer.observe(element, {attributes: true, characterData: true, childList: true});

element.className = "baz";
element.innerText = "qux";