| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script> | |
| window.onbeforeunload = function() { | |
| return "This is beforeunload from an iframe."; | |
| }; | |
| // JavaScript onbeforeunload dialogs require a user gesture. | |
| if (window.eventSender) { | |
| eventSender.mouseMoveTo(window.frameElement.offsetLeft + 5, | |
| window.frameElement.offsetTop + 5); | |
| eventSender.mouseDown(); | |
| eventSender.mouseUp(); | |
| } | |
| </script> | |
| </body> | |
| <p>This is an iframe with a beforeunload handler.</p> | |
| </body> | |
| </html> |