Crossbrowser Javascript with custom message on onbeforeunload event.
Tested with :
- Firefox (Gecko) >= 1
- Chrome >= 1
- Internet Explorer >= 4
- Opera >= 12
- Safari (Webkit) >= 3
Special behaviour for Firefox which decided to prevent dialog with onbeforeunload event : https://developer.mozilla.org/en-US/docs/Web/API/window.onbeforeunload
crossbrowser-onbeforeunload est mis à disposition selon les termes de la licence Creative Commons Attribution - Pas d’Utilisation Commerciale - Partage dans les Mêmes Conditions 4.0 International.
