Warning message when user navigates away from a page
1387
Are there any simple rules for choosing the definite vs. indefinite (vs. none) article?
156152
How to detect page scroll to a certain point in jQuery?
87124
How to prevent pagebreak for a custom environment?
86728
What's the protocol for requesting a tag warning?
78449
Popup detection before user logs in
66496
How to detect unsaved data in form when user leaves the page?
105926
Disable the "You've gone full screen" notification in Chrome
158537
Online/offline or Away status indicator in Stack overflow
120992
The buttons on the modal dialog box for leaving a page with unsaved changes are confusing
91602
Android cancel Toast when exiting the app and when toast is being shown
24498
Clicking on a spoiler tag to reveal the text shouldn't navigate you to another page
45062
Crossbrowser onbeforeunload?
71243
Add "log out globally" button on user popup
60634
How do you force Chrome pages/tabs to crash using JavaScript?
28298
adapt to break across page boundaries
13967
Can I try/catch a warning?
2416
Stay on current page, when form validation is false