//桌面提醒function notify(title, content) {                if(!title && !content){            title = "桌面提醒";            content = "您看到此条信息桌面提醒设置成功";        }        var iconUrl = "/images/send_ok.png";                if (window.webkitNotifications) {            //chrome老版本            if (window.webkitNotifications.checkPermission() == 0) {                var notif = window.webkitNotifications.createNotification(iconUrl, title, content);                notif.display = function() {}                notif.onerror = function() {}                notif.onclose = function() {}                notif.onclick = function() {this.cancel();}                notif.replaceId = ‘Meteoric‘;                notif.show();            } else {                window.webkitNotifications.requestPermission($jy.notify);            }        }        else if("Notification" in window){            // 判断是否有权限            if (Notification.permission === "granted") {                var notification = new Notification(title, {                    "icon": iconUrl,                    "body": content,                });            }            //如果没权限，则请求权限            else if (Notification.permission !== ‘denied‘) {                Notification.requestPermission(function(permission) {                    // Whatever the user answers, we make sure we store the                    // information                    if (!(‘permission‘ in Notification)) {                        Notification.permission = permission;                    }                    //如果接受请求                    if (permission === "granted") {                        var notification = new Notification(title, {                            "icon": iconUrl,                            "body": content,                        });                    }                });            }        }    }