How to capture ALT+F4 Key code

I would like to fire a confirm message to user when he is exiting from the application pressing ALT +f4
How can I do that ?
I tried to capture the key code using event.altKey but it's not working
Any Ideas!!


  • event.altKey is not firing in my system
  • : event.altKey is not firing in my system


    You can use the window.onunload event to fire the confirm
    message, but there are many people that doesnt like that
    and im one of them.

    Hope it helps.
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