<div id="root"></div>
body {
  font-family: "Poppins", sans-serif;
}
const reactElement = React.createElement("h1", null, "Hello World");

ReactDOM.render(reactElement, document.getElementById("root"));
View Compiled

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://unpkg.com/react@16/umd/react.production.min.js
  2. https://unpkg.com/react-dom@16/umd/react-dom.production.min.js