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JSP Basics Beginning-level questions on JSP. More advanced coders should post to Pro JSP.
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Old December 12th, 2007, 04:38 AM
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Default How to check whether 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?

expect demo [code]
Thanks

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