菜鸟教程在线编辑器

 
                <!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>菜鸟教程 React 实例</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/18.2.0/umd/react.production.min.js" ></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/18.2.0/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/prop-types/15.8.1/prop-types.min.js"></script>
</head>
<body>
<div id="root"></div>
<script type="text/babel">
var title = "菜鸟教程";
// var title = 123;
class MyTitle extends React.Component {
  render() {
    return (
      <h1>Hello, {this.props.title}</h1>
    );
  }
}
 
MyTitle.propTypes = {
  title: PropTypes.string
};
const root = ReactDOM.createRoot(document.getElementById("root"));
root.render(
    <MyTitle title={title} />
);
</script>
</body>
</html>
              