onbeforeunload

How to show the “Are you sure you want to navigate away from this page?” when changes committed?

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Here in stackoverflow, if you started to make changes then you attempt to navigate away from the page, a javascript confirm button shows up and asks: “Are you sure you want to navigate away from this page?” blee blah bloo… Has anyone implemented this before, how do I track that changes were committed? I believe … Read more

How can I override the OnBeforeUnload dialog and replace it with my own?

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I need to warn users about unsaved changes before they leave a page (a pretty common problem). window.onbeforeunload = handler This works but it raises a default dialog with an irritating standard message that wraps my own text. I need to either completely replace the standard message, so my text is clear, or (even better) … Read more