freeCodeCamp/guide/english/react/a-react-environment-using-a.../index.md

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title
A React Environment Using a Remote Code Repository

This is how to create a non production React environment utilizing a remote code repository. We will use the cdnjs.cloudflare.com 16.0.0 react, react-dom, and babel-standalone 6.26.0 to accomplish this. babel-polyfill is used for older browsers compatibility.

<!DOCTYPE html>
<html>

<head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>Hello React</title>

 <script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.0.0/umd/react.production.min.js">
 </script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.0.0/umd/react-dom.production.min.js">
 </script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js">
 </script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-polyfill/6.26.0/polyfill.min.js">
 </script>
</head>

<body>
 <div id="helloreact"></div>
 <script type="text/babel">
   ReactDOM.render(
   <h1>Hello React</h1>, document.getElementById('helloreact'));
 </script>
</body>

</html>

If this code is saved with the html file extension (helloReact.html)it can be opened in a web browser it will run React and Babel.