2.html 1.3 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. <div id="btn">这是一个按钮</div>
  14. <script type="text/babel">
  15. function onClick(){
  16. console.log(this)
  17. }
  18. function clickFirst(e){
  19. console.log(this,"正常"),
  20. console.log(e,'事件')
  21. }
  22. function clickSecond(e,...user){
  23. console.log(e.target)
  24. console.log(...user)
  25. }
  26. function clickThird(e){
  27. console.log(e)
  28. }
  29. document.getElementById("btn").onclick = onClick;
  30. var aaa = {name:"My name is zzb"};
  31. let element = (
  32. <div>
  33. <p onClick={clickFirst.bind(aaa)}>事件一</p>
  34. <p onClick={(e)=>{
  35. clickSecond(e,3,444,5555)
  36. }}>事件二</p>
  37. <p onClick={clickThird.bind(null,3)}>事件三</p>
  38. </div>
  39. )
  40. let newpage = ReactDOM.createRoot(document.getElementById("root"));
  41. newpage.render(element)
  42. </script>
  43. </body>
  44. </html>