onbeforeunload close tab

How can I display "Are you sure you want to leave the page?" when the user actually tries to close the page (click the X button on the browser window or tab) not when he tries to ...

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Actual Transparent Window is a desktop enhancement tool, which renders open windows transparent either with the help of a dedicated button on the title-bar or by using a keyboard shortcut. You can...

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  • Chrome runs the function successfully if I navigate away from the page but does not run it...
    javascript - Chrome onbeforeunload event when tab (or browse ...
    https://stackoverflow.com
  • How can I display "Are you sure you want to leave the page?" when the user actua...
    javascript - jquery beforeunload when closing (not leaving) ...
    https://stackoverflow.com
  • - we close the tab, - we close the browser. Tested on Android 4.4.2 (both Chrome 0.39.X an...
    ... unload pagehide events not raised when closing tab ...
    https://www.experts-exchange.c
  • The onunload event occurs once a page has unloaded (or the browser window has been closed)...
    onunload Event - W3Schools Online Web Tutorials
    https://www.w3schools.com
  • Fixing summary. It works if you navigate away from the page, just not if you close the tab...
    370096 - onbeforeunload doesn't work when closing tabwi ...
    https://bugzilla.mozilla.org
  • Hello, Currently I am working on a project, and I have hit a snag. I am somewhat new to As...
    Firing onbeforeunload when closing the web broswertab | The ...
    http://forums.asp.net
  • The onbeforeunload event occurs when the document is about to be unloaded. This event allo...
    onbeforeunload Event - W3Schools Online Web Tutorials
    https://www.w3schools.com
  • "Window close event of browser"... people are searching for this key sentence fo...
    Window Close Event of Browser - CodeProject
    https://www.codeproject.com
  • URL: Repro Steps: 1.Open IE11 with an onbeforeunload event configured (the sample from ref...
    IE11 - onbeforeunload being called after IE closes - ...
    https://developer.microsoft.co
  • "Allow blocked content" - your running the html file from the file system....(do...
    bug on ie10 and ie11 with onbeforeunload and closing tabs ...
    https://social.msdn.microsoft.