是监控的位置。在XHR应用程序中，哈希是历史的解决方案?

As is well known, in XHR (aka AJAX) web applications no history for your app is build and clicking the refresh button often moves the user out of his/her current activity. I stumbled upon location.hash (e.g. As is well known, in XHR (aka AJAX) web applica