This is a discussion on "Detecting form navigation" within the JavaScript Forum section. This forum, and the thread "Detecting form navigation are both part of the Program Your Website category.
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Detecting form navigation
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Aug 23rd, 2007, 09:56
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Detecting form navigation
Hi Everyone,
I'm trying to implement navigation checking on my form. My web site has some buttons/links on the top and provides some input fields below. Once the user starts entering any data I want the navigation, to other links, to be detected/checked. Meaning if a user enters values in any of the text input fields and then clicks on a link on the top, I want to show a message like 'You are now navigating away from the input. Any data entered will not be saved. Please confirm Y/N ?' How do you go about implementing something like this ? Any points on this will be really helpful Thanx in advance Amit 
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Aug 23rd, 2007, 10:23
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Re: Detecting form navigation
Put a function for unload:
<body onunload="leavingPage()"> then the function: <script type="text/javascript"> /* put what you want to happen when the user leaves */ alert(you are leaving) </script> should work
Last Blog Entry: 3D Chess in your browser! (Mar 14th, 2008)
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Aug 24th, 2007, 04:14
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Re: Detecting form navigation
Thanx for the reply AlexGeek. Your script does work but not what I'm looking for. Below is my test script :
<html> <head> <title>Test me</title> </head> <body onunload="leavingPage()"> <a href="http://www.hotmail.com">Hotmail</a> <script language="JavaScript"> <!-- function leavingPage() { if (!confirm('Sure Y/N ?')) return false; } //--> </script> </body> </html> What I am expecting is that if I clicked 'Cancel' then I should be returned back to my page and not redirected to the new URL. Also if i refreshed my page again I get this message. I can understand why but that not what I want to do. Thanx Amit PS : The positioning of the script at the end or at the begining inside the <head> tag doesn't work
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Aug 24th, 2007, 15:48
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Re: Detecting form navigation
Let me have a google about on this now
Last Blog Entry: 3D Chess in your browser! (Mar 14th, 2008)
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Aug 24th, 2007, 16:26
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Re: Detecting form navigation
apparently it's impossible (though a lot of people have done it like gmail)...
though there are confusing work arounds. like storing the users input in a cookie, then with the onunload event making then go back in history. unless anyone else knows how to here?
Last Blog Entry: 3D Chess in your browser! (Mar 14th, 2008)
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