Is there a way to "redirect" the user during the onbeforeunload event? If not, what is the alternative method to achieve this?

Can the browser be redirected to another page upon closing?

Various Methods Tried:

  1. Attempted using onunload, but unsuccessful

    window.onunload = function redirect(){...}

  2. Another method tested, also unsuccessful:

    window.onbeforeunload = redirect(){...}


  3. <body onbeforeunload="return false; redirecty()">

In the 3rd method, the goal was to delay the browser closure by canceling onbeforeunload, and then call the redirect function using window.confirm. If confirmed, redirection would take place. However, this approach did not yield the desired results.

Are there any alternative solutions? Perhaps a prompt could be used to allow the user to choose whether to redirect to a new page upon browser closure. The brainstorming process continues...

javascriptbrowserhttp-redirect

Answer №1

When utilizing the onbeforeunload event, make sure it returns a non-false string to be displayed by the browser to the user. 

window.onbeforeunload = function(){
        location.assign('http://www.google.com');
        return "Are you sure you want to go to google instead?";
    }

Crafting a message that effectively communicates the action to the user can be quite challenging. Additionally, the functionality may not be consistent across all browsers. As tested in Chrome, the tab may become uncloseable, requiring termination through the task manager.

Answer №2

While it may have its drawbacks, this solution is effective

window.onbeforeunload = function(){
        window.open("https://www.yourwebsite.com","newwindow");
        return "Are you sure you want to leave this page?";
}

When a user tries to leave the page, a new window will pop up directing them to the specified website. Keep in mind that popup blockers in the browser could potentially limit this functionality.

Answer №3

When a user attempts to close the browser, their intention is quite clear: they want the browser to close. Interrupting this process by causing something else to happen before the browser closes seems counterintuitive to me. Is there a valid reason for this? Personally, I believe that when a user clicks on the 'close' button, they expect the browser to close without any additional interruptions. I think it's a reasonable expectation. But who can really say for sure.

Why not consider a less intrusive approach to redirecting the user to another page? Perhaps using a link or a banner would be a more user-friendly option?

Answer №4

In short, the answer is negative. Allowing browsers to expand the capabilities of onbeforeunload/onunload events could potentially open the door to malicious exploitation.

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