1.组件创建.html 1.0 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="UTF-8" />
  5. <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  6. <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  7. <title>Document</title>
  8. <script src="../react.development.js"></script>
  9. <script src="../react-dom.development.js"></script>
  10. <script src="../babel.min.js"></script>
  11. </head>
  12. <body>
  13. <div id="root"></div>
  14. <script type="text/babel">
  15. // 定义组件
  16. function Greeting() {
  17. return (
  18. <div className="greeting">
  19. <h3>大家,下午好。</h3>
  20. {/**
  21. {{ name: '哈哈' }}
  22. **/}
  23. {[1, 2, 3]}
  24. {null}
  25. {undefined}
  26. {false}
  27. {true}
  28. {1}
  29. {'sjfhajf'}
  30. </div>
  31. );
  32. }
  33. let element = <Greeting />; // 将组件 => jsx(React元素)
  34. ReactDOM.createRoot(document.querySelector('#root')).render(element);
  35. </script>
  36. </body>
  37. </html>