chrome/test/data/beforeunload.html

   1 <html>
   2   <head>
   3     <title>Loading...</title>
   4     <script>
   5       window.onbeforeunload = function(e) { return 'foo'; };
   6     </script>
   7   </head>
   8   <body>
   9     <p>Navigate to another page to trigger beforeunload handler.</p>
  10   </body>
  11 </html>