track page data has changed
in Gmail compose, we get alert message if we click on any of link [except links those get loaded in another window.]
Saying "your message has not been sent. Discard your message?"
this gets prompts Even if we hits in the Back button,
i believe, they don't maintain a simple javascript and keep calling same function in every link.
how does it actually happens?is there any other way to prompt this
popup?
expect demo [code]
Thanks
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