<div id="root"></div>
const name = 'Roy';
const element = <h1>Hello, {name}</h1>;

ReactDOM.render(
  element,
  document.getElementById('root')
);
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External CSS

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External JavaScript

  1. //unpkg.com/react/umd/react.development.js
  2. //unpkg.com/react-dom/umd/react-dom.development.js