Javascript examples for DOM Event:onbeforeunload
jQuery bind beforeunload
<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <script type="text/javascript" src="https://code.jquery.com/jquery-1.9.1.js"></script> <script type="text/javascript"> $(window).load(function(){// w ww . j av a 2 s . co m onbeforeunload = function() { return "Are you sure"; } }); </script> </head> <body> </body> </html>