JS는 브라우저 페이지가 새로 고쳐졌는지 아니면 Closed_javascript 기술인지 구분합니다.

const MAX_WAIT_TIME = 10;
const currentDate = new Date().getTime();
const lastestLeaveTime = parseInt(this.$window.localStorage.getItem('lastestLeaveTime'), 10) || currentDate;
this.secondCounter = Math.max(MAX_WAIT_TIME - Math.ceil((currentDate - lastestLeaveTime) / 1000), 0);
if (this.secondCounter > 0) {
this.logoutTimeInterval = this.$interval(()=> {
this.secondCounter--;
this.$scope.$digest();
}, 1000, this.secondCounter, false).then(() => {
this.updateByStatus(this.AvayaService.status.OFFLINE);
});
} else {
this.updateByStatus(this.AvayaService.status.OFFLINE);
}

//刷新页面或者关闭页面
$window.onbeforeunload = () => {
return '操作将会导致页面数据清空，请谨慎操作...';
};
//每次页面unload时，设置LocalStorage时间；
$window.onunload = () => {
$window.localStorage.setItem('lastestLeaveTime', new Date().getTime());
};

onStatusClick(index, name) {
if (name === '退出') {
this.mgDialog.openConfirm({
showClose: false,
template: 'app/header/logoutDialog.html',
controller: 'HeaderDialogController as dialog',
data: {
'title': '您确定要退出系统吗？'
}
}).then(() => {
this.$window.location.href = '/logout';
this.$window.onbeforeunload = null;
});
} else {
// 内部操作，大家不用管
...
}
}