ReactJS - 001 Hello World

by Elvis de Freitas

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.1/react.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.1/react-dom.js"></script>
<div id="root"></div>

Babel + JSX

ReactDOM.render(
  <h1>Hello, world!</h1>,
  document.getElementById('root')
);