专注前端素材！
源代码：
点击运行
<!DOCTYPE html> <html> <head> <link rel="stylesheet" href="https://apps.bdimg.com/libs/jquerymobile/1.4.2/jquery.mobile.min.css"> <script src="https://apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script> <script src="https://apps.bdimg.com/libs/jquerymobile/1.4.2/jquery.mobile.min.js"></script> <script> $(document).on("pageloadfailed",function(event,data){ alert("Sorry, requested page does not exist."); }); </script> </head> <body> <div data-role="page"> <div data-role="header"> <h1>Header Text</h1> </div> <div data-role="content"> <a href="externalnotexist.html">External page that does not exist</a> </div> <div data-role="footer"> <h1>Footer Text</h1> </div> </div> </body> </html>
运行结果