How do I ask for confirmation when closing a window?

Question

How do I ask for confirmation when closing a window?

I want to display a confirmation message if the user wants to leave the current page, just like stackoverflow does it when you enter a question.

Can anyone help me with this by providing me with a script or redirecting me to an answer (on this site or elsewhere)?

thank

+2

javascript

Maxime ARNSTAMM Jan 25. 10 at 14:07

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5 answers

You can use event onbeforeunload

.

window.onbeforeunload = function() {
   return 'Are you sure that you want to leave this page?';
};

+8

Jacob Relkin Jan 25. 10 at 14:09

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window.onbeforeunload Seems to work for IE, but something like

window.onunload = function()
{
    if (confirm('Save changes?'))
        document.forms['form1'].submit();
};

Seems to work for all browsers.

+1

FOR Jan 25. 10 at 14:11

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You will need to store all the values of your fields in some variables and check them whenever the page url changes or any link is clicked to catch the page unload event using the page.

Event unloading page / sample http://help.dottoro.com/ljflhicd.php .

0

Ravia Jan 25. 10 at 14:13

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Doesn't this work?

<body onunload="return confirm('really quit?');">

Also for framesets by the way ...

-1

Ropstah Jan 25. 10 at 14:10

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SLaks · Accepted Answer · 2010-01-25T14:09:18+0000

You need to process the window onbeforeunload

and return a confirmation message as a string.

`onunload`

won't work here. Demo

How do I ask for confirmation when closing a window?

onunload (adsbygoogle = window.adsbygoogle || []).push({}); won't work here. Demo

More articles:

`onunload`

won't work here. Demo