[英]When exactly does jquery.ajax run the fail callback?
I cannot find this in the documentation. 我在文档中找不到这个。 I also did a run through the jquery source and can't find any more info.
我还浏览了jquery源代码,无法找到更多信息。
By using jquery.ajax, when can I expect the fail callback to be run? 通过使用jquery.ajax,我什么时候可以运行失败回调?
Apart of the following: 除以下内容:
server is down and does not respond 服务器已关闭但无响应
// EDIT: added after comments, a lot of thanks to @charlietfl : //编辑:评论后添加,非常感谢@charlietfl:
http error code equal to or greater then 400 http错误代码等于或大于400
what are the other cases when jquery will run the fail callback? 当jquery运行失败回调时的其他情况是什么?
When the response status returned is 4xx or 5xx, which indicates a client-side or server-side error respectively. 返回的响应状态为4xx或5xx,分别表示客户端或服务器端错误。 Here's the entire list of such status codes.
以下是此类状态代码的完整列表 。
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