![]() Inside our script.js file, we have a function called close_tab(), which will be executed only when the user clicks on the close browser tab button present in our HTML document. This anchor tag points to the function close_tab(), which is present inside our script file. The styling for this anchor tag, our button, is done inside the style tag. The anchor tag will represent the button using which we will perform the browser tab closing operation. The script will be used to link our JavaScript file with the HTML document. Inside our HTML document, we have a body tag that contains an anchor tag and a script tag. That's a security/UX feature that's mandated by the HTML5 spec, and it can't be worked around in recent versions of browsers. So, Let’s see how to implement this method in JavaScript and close the browser tab. 1 As the error says, you can't close a browser window through JavaScript if you didn't create the window through a script to begin with. This method is supported on all modern browsers like Chrome, Brave, and Firefox. You can also directly use the close() method without using the keyword window as well. Using this method, we can easily achieve our goal of closing a browser tab. To close a browser tab, JavaScript provides us with a method associated with a window object, and that method is called window.close(). Close Browser Tab Using window.close() Method in JavaScript Let’s see how we can achieve this in detail. Of course, you can use the close button in the browser, or you can also create a close button and ask the user to click on it. ![]() ![]() You might have seen this scenario, where you do the transaction online via the bank’s portal, and then after you log out from the net banking account, the bank displays a text on the screen which tells us to close the browser window. So, it could be done by closing that particular browser tab. To close a browser tab, JavaScript provides us with a method associated with a window object, and that method is called window.close (). During an online transaction, a session is created, and various things happen in the background and during that time, the browser’s job is to display the response coming from the server so that the client or user can see what’s exactly happens.Īfter the transaction is completed, we are supposed to close the session currently happening inside that particular browser tab so that no misuse of personal information could occur. There are some specific situations where closing a browser tab can be necessary and essential, especially if you are developing websites that support payment systems (of course, there can be other possible use cases). ![]() In this we have to use the preventDefault() to show the confirmation dialog according to the specifications. In this case, beforeunload event will be fired just before the window or tab is to be unloaded. In the javascript, we bind the event using addEventListener() method, when we bind any event with addEventListener() then the handler function calls when that This is basically used to alert the user for data save on the page or user has mistakenly refresh or navigate away from the current page by closing the tab or the browser. In the javascript, A browser or tab closing can be detected by the beforeunload event. Detect the browser closing or tab closing in javascript
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