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4.jsx属性绑定.html 1.1 KB

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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. <!-- jsx 语法浏览器不识别 jsx => js 浏览器可识别的语言 -->
  8. <script src="./babel.min.js"></script>
  9. <!-- react的核心库 -->
  10. <script src="./react.development.js"></script>
  11. <!-- 解析react中的dom库 -->
  12. <script src="./react-dom.development.js"></script>
  13. </head>
  14. <body>
  15. <div id="root">
  16. </div>
  17. <script type="text/babel">
  18. let root = ReactDOM.createRoot(document.getElementById("root"));
  19. // 动态属性
  20. let url = 'https://ts1.cn.mm.bing.net/th/id/R-C.ac133896b2735871271f35272484cfbf?rik=k0a86ZhyanNt9g&riu=http%3a%2f%2fn.sinaimg.cn%2fsinacn10114%2f600%2fw1920h1080%2f20190518%2f1372-hwzkfpv2143245.jpg&ehk=DU3HSmHLIjdJx1fj6fhR1FLcDsewKDsoKdyrELfab%2bg%3d&risl=&pid=ImgRaw&r=0';
  21. // jsx 语法
  22. let element = <img width='200' height='200' src={url} alt=""></img>
  23. root.render(element)
  24. </script>
  25. </body>
  26. </html>