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I need to do something when an ajax request is completed, irrespective of it's failure or success. I am using jQuery deferred objects "always" method for this.

My question is inside "always" method how do I determine if it's called because service request failed or succeeded

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完全的

Type: Function( jqXHR jqXHR, String textStatus )

请求完成时要调用的函数（在执行成功和错误回调之后）。该函数传递了两个参数：jqXHR（在 jQuery 1.4.x 中，XMLHTTPRequest）对象和一个对请求状态进行分类的字符串（"success"、"notmodified"、"error"、"timeout"、"abort"或“解析器错误”）。从 jQuery 1.5 开始，完整的设置可以接受一个函数数组。每个函数都会被依次调用。

参考：jQuery.ajax()

于 2013-07-12T18:02:39.733 回答