onunload - 当浏览器关闭文档时

  1. <!DOCTYPE html>
  2. <html>
  3. <head>
  4. <script>
  5. function myFunction() {
  6.   alert("感谢您访问baidu！");
  7. }
  8. </script>
  9. </head>
  10. <body onunload="myFunction()">
  11.  
  12. <h1>欢迎访问到我的主页</h1>
  13.  
  14. <p>关闭此窗口或按 F5 重新加载页面。</p>
  15.  
  16. </body>
  17. </html>