<html> <head><title>JS测试</title> <script type="text/javascript"> window.onbeforeunload = function(event){ var msg = ''; msg +='您确定要放弃此商品的购买? '; msg += '★多款产品任选,购买即享超低折扣。'; return msg; }; </script> </head> <body> JS测试,关闭页面时候,弹出提示对话框! </body> </html>
<html> <head><title>JS测试</title> <script type="text/javascript"> window.onbeforeunload = function(event){ var msg = ''; msg +='您确定要放弃此商品的购买? '; msg += '★多款产品任选,购买即享超低折扣。'; return msg; }; </script> </head> <body> JS测试,关闭页面时候,弹出提示对话框! </body> </html>