4.动态属性绑定.html 770 B

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  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. </head>
  11. <body>
  12. <div id="root">
  13. <!-- <h1>你好</h1> -->
  14. <!-- <img src="./1.jpg" alt=""> -->
  15. </div>
  16. <script type="text/babel">
  17. // jsx可以进行页面渲染
  18. // jsx中所有标签必须闭合
  19. let imgUrl = './zz.jpg'
  20. const element = <img src={imgUrl} />;
  21. const root = ReactDOM.createRoot(document.getElementById("root"));
  22. root.render(element);
  23. </script>
  24. </body>
  25. </html>