2.jsx-数据渲染.htm 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. <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"></div>
  13. <!--
  14. vue 动态渲染 {{}} 模板语法
  15. react 表达式 {} 可以做运算
  16. -->
  17. <script type="text/babel">
  18. let rain = '下雨';
  19. let userName = {
  20. fistName:'卢',
  21. lastName:'星'
  22. }
  23. // const snow = <h3>明天休息,但是有可能{false + 1 + 'hello' + userName.fistName}</h3>;
  24. // const snow = <h3>明天休息,但是有可能{rain}</h3>;
  25. function getName(userName) {
  26. return `${userName.fistName} ${userName.lastName}`
  27. }
  28. const snow = <h4>{getName(userName)}</h4>;
  29. const getRoot = document.querySelector("#root");
  30. ReactDOM.createRoot(getRoot).render(snow);
  31. </script>
  32. </body>
  33. </html>