Nov 5, 2012 · I want to show an alert message "Please logout before closing the window" with an logout button, when an user tries to close the window and after clicking on logout button the …

Jul 24, 2022 · In JavaScript, you can use the beforeunload event to detect a tab or window closing in a browser. It is used to alert the user about unsaved changes on the webpage or to prevent …

Oct 4, 2023 · window.alert() instructs the browser to display a dialog with an optional message, and to wait until the user dismisses the dialog. Under some conditions — for example, when …

The alert() method displays an alert box with a message and an OK button. The alert() method is used when you want information to come through to the user.

Aug 7, 2009 · setConfirmUnload(true) to enable the confirmation or false if you want to allow them to close the screen without a warning (if you have a close button for instance).

Mar 11, 2025 · Detecting when a user closes a browser tab or window can be crucial for web applications that need to manage user sessions or save data. In this tutorial, we will explore …

Feb 14, 2024 · In such cases, prompting the user for confirmation before the tab closes can prevent frustration and data loss. In this tutorial, we will explore how to implement such a …

Aug 22, 2024 · To detect when a user is about to close the browser or navigate away, use the beforeunload event: Detecting a browser close event is useful for scenarios such as saving …

Mar 17, 2025 · When a user closes a browser tab, it triggers the beforeunload event in JavaScript. This event is fired just before the page is unloaded, allowing you to execute custom code. You …

Dec 23, 2010 · This script will help you to detect browser or tab close event and alert some messages. Even this script will be useful to call some Ajax functions which terminate …