JQuery method for monitoring all ajax requests on the page

This article mainly introduces jQuery's method for implementing all ajax requests on the monitoring page. It involves ajax request Determination Techniques in jQuery and has some reference value, for more information about how jQuery implements all ajax requests on the monitoring page, see the following example. We will share this with you for your reference. The details are as follows:

Have you ever encountered the following problem: when two ajax requests are initiated on the page and you want them to succeed, do another action?

It is easy to think of a solution that, after one of them ends, initiates another one. This process is completed using the callback function.

However, if the code for one of the ajax requests is not written by you, you cannot change it. What should I do?

Or, you just want to know when a url request will end and don't want to worry about other requests. How can this problem be solved?