<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <script> window.onload = function () { var img = document.getElementById("checkCode"); img.onclick=function () { var date=new Date().getTime(); img.src="www.baidu.com?"+date; } var t=document.getElementById("change"); t.onclick=location.reload() } </script> </head> <body> <img id="checkCode" src="www.baidu.com" alt=""> <a id="change"href='javascript:void(0)'>哈哈哈</a> </body> </html>