success(), Error and complete() in AJAX call

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Below is a diagram illustrating the process flow:

  • The success() (Local Event) is only called if the request was successful (no errors from the server, no errors with the data).

  • On the other hand, the complete() (Local Event) is called regardless of if the request was successful, or not. You will always receive a complete callback, even for synchronous requests.



source :

1.https://stackoverflow.com/questions/1021062/use-success-or-complete-in-ajax-call/42229704#42229704

2. https://api.jquery.com/Ajax_Events/

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