Call a JavaScript Function when Back Button of Browser is Clicked

Question

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Best way to detect when user leaves a web page

How can I call a javascript or jQuery function when back button of browser is clicked? I have seen some solutions but none of them worked for me. Can anybody show me some example code?

http://stackoverflow.com/questions/147636/best-way-to-detect-when-user-leaves-a-web-page — HerrLiljegren, Oct 19 '12 at 08:52
@ohaal: I can't remember, but did not work. Can u tell me the best way? — Hamid Mohayeji, Oct 19 '12 at 08:56
You cannot detect the back button. You can detect when the visitor is leaving using onbeforeunload and that is about it. — mplungjan, Oct 19 '12 at 09:08

score 9 · Answer 1 · edited Sep 19 '13 at 08:21

9

In jQuery try this :

$(window).unload( function () 
{
// put your code here
});

In javascript :

window.onbeforeunload = function () {
   // put your code here
}

edited Sep 19 '13 at 08:21

Niklas

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answered Oct 19 '12 at 09:01

senthilbp

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unload() event is not specific to browser's back button but thats answered the question so +1 – A. Wolff Oct 19 '12 at 09:03
unload event will even work if you submit or navigate to future pages. – SuRaj Creator Jun 30 '22 at 07:55

score 1 · Answer 2 · answered Oct 19 '12 at 09:17

1

<body onUnload="yourFunction();>
<!-- ... -->
</body>

answered Oct 19 '12 at 09:17

Lajos Arpad

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score 0 · Answer 3 · answered Oct 19 '12 at 11:16

You can use history.replaceState() (see browser support) to modify the previous URL you visited to the current page with an added parameter of your choosing like for instance redirect=<URL of previous actual previous page> (you can maybe get this URL from the referer?), then detect the parameter in document ready and perform the required actions.

This is just an untested theory, I might elaborate later on when I get to test it.

Call a JavaScript Function when Back Button of Browser is Clicked

3 Answers3

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