status is canceled problem

Problem phenomenon:

 

Occasionally, on the Google browser, the status is canceled:

 when submitting ajax, the status is canceled, causing the ajax request to be terminated.

 

problem causes:

After the URL is changed, the currently executing ajax request will be aborted. The status code for the request will be canceled after aborting.

 

Solution:

Change the default asynchronous of ajax to synchronous: