window.addEventListener('beforeunload', (event) => { event.returnValue = `Are you ... ... <看更多>

window.addEventListener("beforeunload", function (e) { var confirmationMessage = "你還沒有完成你的文章，就這樣離開了嗎？"; (e || window.event). ... <看更多>

How do i detect the browser event when customer closing the browser tab by clicking X in jquey? I just want to show popup to the customer while ... ... <看更多>

The open/close event is captured here… https://github.com/nathansmith/jQuery-Desktop/blob/master/assets/js/jquery.desktop.js#L256-L260 ... ... <看更多>

By using the "unload" event in JavaScript you are able to detect when the window has closed. In the case ... ... <看更多>