notificationOverAlert.js

notificationOverAlert.js

window.oldAlert = window.alert
window.alert = function (message) {
    var __notification = null;
    if (!("Notification" in window)) {
        window.oldAlert(message);
    } else if (Notification.permission === "granted") {
        __notification = new Notification(message);
    } else if (Notification.permission !== 'denied') {
        Notification.requestPermission(function (permission) {
            // If the user accepts, let's create a notification
            if (permission === "granted") {
                __notification = new Notification(message);
            }
        });
    } else {
        window.oldAlert(message);
    }
    if (__notification !== null) {
        __notification.onclick = function () {
            window.oldAlert(message);
        }
    } else {
        window.oldAlert(message);
    }
    return __notification;
}