console 命令行工具 X clear

console

const App = () => {
    const [count, setCount] = React.useState(0);

    // TODO here
    // add some code to make the counter
    // increase 1 every 1 second
    // use react hoook

    return <div>{count}</div>;
}

ReactDOM.render(
    <App />,
    document.getElementById('root')
);

<html>
<body>
    <div id="root"></div>
    <script src="https://unpkg.com/react@17/umd/react.development.js" crossorigin ></script>
    <script src="https://unpkg.com/react-dom@17/umd/react-dom.development.js" crossorigin ></script>
</body>
</html>