3.jsx属性绑定.html 1.6 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354
  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="UTF-8">
  5. <meta name="viewport" content="width=device-width, initial-scale=1.0">
  6. <title>Document</title>
  7. <script src="./babel.min.js"></script>
  8. <script src="./react.development.js"></script>
  9. <script src="./react-dom.development.js"></script>
  10. <!-- <link rel="stylesheet" href=""> -->
  11. <style>
  12. #tips {
  13. color: red;
  14. }
  15. .hi {
  16. color: purple;
  17. }
  18. </style>
  19. </head>
  20. <body>
  21. <div id="root"></div>
  22. <script type="text/babel">
  23. let root = ReactDOM.createRoot(document.getElementById("root"));
  24. // 静态属性
  25. let element = <div id='tips'>hello</div>
  26. element = <img width='300' height='400' src="https://pic.rmb.bdstatic.com/bjh/bc1118b6d868/250616/4081c418b456da14b12e3d59d67188d5.jpeg" />
  27. element = (<table border='2'>
  28. <tr>
  29. {/* 使用camelCase绑定多单词属性 */}
  30. <td colSpan='2'>成绩</td>
  31. {/*<td>成绩</td> */}
  32. </tr>
  33. <tr>
  34. <td>90</td>
  35. <td>80</td>
  36. </tr>
  37. </table>)
  38. // class 属于js关键字 在React中不允许作为属性名使用
  39. // class => className
  40. element = <h1 className='hi'>大家好</h1>
  41. element = (
  42. <div>
  43. <label htmlFor="username">姓名:</label>
  44. <input type="text" id='username' />
  45. </div>
  46. )
  47. root.render(element);
  48. </script>
  49. </body>
  50. </html>