<!DOCTYPE html><html><head> <meta charset="UTF-8"> <title>Document</title> <script src="js/react.js"></script> <script src="js/react-dom.js"></script></head><body> <div id="example"></div> <script type="text/babel"> ReactDOM.render( <h1>Hello, world!</h1>, document.getElementById('example') ); </script></body></html>
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