4.事件处理.html 722 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="../js/babel.min.js"></script>
  8. <script src="../js/react.development.js"></script>
  9. <script src="../js/react-dom.development.js"></script>
  10. </head>
  11. <body>
  12. <div id="root"></div>
  13. <script type="text/babel">
  14. function handleClick(e, ...params) {
  15. console.log(this)
  16. console.log(e.target)
  17. console.log(...params)
  18. }
  19. let element = (
  20. <div onClick={e => {
  21. handleClick(e, 1, 2, 3)
  22. }}>事件</div>
  23. )
  24. ReactDOM.createRoot(document.getElementById('root')).render(element)
  25. </script>
  26. </body>
  27. </html>