How to handle jQuery ajax post error when navigating away from a page

Question

Is there a way to handle the error from an ajax request within JQuery such that when the user navigates away from the page, the resulting error is ignored?

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Answer 1

Checking the status didn't work for me, but

// Ignore incomplete requests, likely due to navigating away from the page
if (jqXHR.readyState < 4) {
    return true;
} 

in the error handler did (4 being DONE).