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多行html建議用()包裹

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<div id="app"></div>

<script src="./node_modules/@babel/standalone/babel.min.js"></script>
<script src="./node_modules/react/umd/react.development.js"
>
</script> <script src="./node_modules/react-dom/umd/react-dom.development.js"></script> <script type="text/babel"> // const getMessage = () => "hello world"; // console.log(getMessage()); // const element = <h1>hello world</h1>; // const element = (<div>
// <h1>hello world</h1> // <p>react</p> // </div>); // function getTitle() { // return (<div> // <h1>hello world</h1> // <p>react</p> // </div>); // } function getTitle() { return
( <div> <h1>hello world</h1> <p>react</p> </div>); } const element = getTitle(); ReactDOM.render(element, document.getElementById('app'));
</script> </body> </html>