源代码 :
点击运行
<!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> <title>开源教程 React 实例</title> <script src="https://cdn.staticfile.org/react/16.4.0/umd/react.development.js"></script> <script src="https://cdn.staticfile.org/react-dom/16.4.0/umd/react-dom.development.js"></script> <script src="https://cdn.staticfile.org/babel-standalone/6.26.0/babel.min.js"></script> <style> .foo{ color:red; } </style> </head> <body> <div id="root"></div> <script type="text/babel"> const element = <h1 className="foo">Hello, world</h1>; ReactDOM.render(element, document.getElementById('root')); </script> </body> </html>
运行结果