try-catch doesn#39;t work with XMLHTTPRequest(try-catch 不适用于 XMLHTTPRequest)
问题描述
我正在尝试使用 try-catch
语句来处理来自 XMLHTTPRequest
的错误,如下所示:
I am trying to use the try-catch
statements to handle the errors from XMLHTTPRequest
, like below:
当 xhr.sendMultipart
抛出 401 错误时,error_handle_function
未被调用.知道如何解决这个问题吗?
When there was a 401 error thrown by xhr.sendMultipart
, the error_handle_function
was not called. Any idea how to fix this?
谢谢!
推荐答案
我认为您无法以这种方式捕获服务器错误.你应该检查状态码:
I think you can't catch server errors that way. you should be checking the status code instead:
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