Redirecting on closing window

Hi
I record the time of login and logout of users on my site
The problem is when users close the window before logging out, the log out time is not recorded?
Has anyone a solution for this?

For example is it possible to redirect to the logout page if the close button is clicked?

Thank you in advance for your help

 

yes you should be able to process a window change

window.location = 'http://www.yourdomain.com'

 

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