如何在Rails 3中使用AJAX请求实现重定向响应？

I have a simple scenario where I want to request a page. The request format is AJAX. If there is some error in the controller/action logic for that request, I want to redirect to an error page. The issue is that a redirect is not a JavaScript response type, so I am not sure whether it will work. I have a simple scenario where I want to reques