In JavaScript, three kinds of dialog boxes are available, Alert box, Confirm box, and Prompt box. These popup boxes are used to show the status message on the browser, based on the action requested by the user. Generally, the alert(), confirm(), prompt() m...

In this article, we'll show you a small JavaScript snippet for displaying a confirmation dialog box at the time of closing the tab or browser. It is very helpful for both the user and website. Using JavaScript onbeforeunload event, you can easily show a co...