React

by warriormole

HTML

<head>  
<script src="https://unpkg.com/react@16/umd/react.development.js"></script>  
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>  
<script src="https://unpkg.com/[email protected]/babel.min.js"></script>  
</head>  


<body>  
    <div id="root"></div>  
    <script type="text/babel">  
      
    class Hello extends React.Component {  
    render() {  
        return <h1>Hello world!</h1>;  
    }  
}

ReactDOM.render(  
    <Hello />,   
    document.getElementById("root")  
);
      
    </script>  
</body>