Var confMessage = "*************************************** \n \n W A I T !!! \n \nBefore leaving our site, follow CodexWorld for getting regular updates on Programming and Web Development. Only change the confMessage variable value as per the suitable message which you want to show to the user. Place the below JavaScript code in the desired webpage. As far as I know, what you want to do - closing an original window that you have not opened - is impossible. Other than that, there is no way to close the current window or tab programmatically. JavaScript onbeforeunload event display a message in a confirmation dialog box to inform the users whether they want to stay or leave the current page. window.close should also work for new windows your page has created using target'blank'. ![]() Using JavaScript onbeforeunload event, you can easily show a confirmation on tab close event. Not only for the above situations, you can use JavaScript browser close confirmation many other cases. When user closing tab/browser, if you implement a confirmation alert then it will help to solve the both the above-described situation. ![]() A visitor visits another page and left from the website without knowing those offers. Situation 2: Your website has a special offer or promotion for the visitors in a page. ![]() In that case, he/she lose all the data and he/she would be very unhappy with your website. Situation 1: In your web project an user fills up a long form but forgot to save the form and close the current tab or browser. For the better understanding of the uses of this script, we’re demonstrating two situations here. It is very helpful for both the user and website. Note that window.But there is a workaround to resolve this issue. For example, the following will close the current window/tab. Some browsers will not allow you to close the window using window.close () unless the script opened the window. Window.Today we’ll show you a small JavaScript snippet for displaying a confirmation dialog box at the time of closing the tab or browser. How to Close a Window with JavaScript To close a window or tab that was opened using JavaScript, call window.close (). from there you will need to keep track of the guid and session and your activeId. window.name property is unique to each browser window/tab and wont be shared across the windows. In this we have to use the preventDefault() to show the confirmation dialog according to the specifications. So, to close the current tab in javaScript, it must have to be opened by using the window.open () method. Using Javascript assign a unique id like a guid to the browser window / tab by assigning the guid value to the window.name property. 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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