Show a prompt before page gets refreshed in mobile safari
The code you did is something like this?
$(window).bind('beforeunload', function() {
return "You have unsaved stuff";
});
It seems it doesn't work in mobile Safari
See this possible duplicate: Is there an alternative method to use onbeforeunload in mobile safari?
Onbeforeunload event support on iPad
This has been discussed previously here, and there are is some anecdotal evidence to say that it does work in some circumstances.
onbeforeunload in Opera
onbeforeunload is now supported in Opera 15 based on the WebKit engine but not in any prior versions based on Presto.
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