naeemqaswar
11/14/2016 - 11:10 AM

Detect browser tab close

Detect browser tab close

window.addEventListener("beforeunload", function (e) {
    var confirmationMessage = "\o/";

    (e || window.event).returnValue = confirmationMessage; //Gecko + IE
    return confirmationMessage;                            //Webkit, Safari, Chrome
});
window.onbeforeunload = function () {
    return "Do you really want to close?";
};