HTML Code

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="utf-8">

  <title>.ajaxError() status + thrownError</title>

  <style>

    body { font-family: sans-serif; padding: 16px; max-width: 560px; }

    button { padding: 8px 14px; cursor: pointer; background: #dc2626; color: #fff; border: none; border-radius: 6px; }

    .log { margin-top: 14px; padding: 12px; background: #fef2f2; border-radius: 6px; font-size: 14px; line-height: 1.5; }

  </style>

</head>

<body>

  <button type="button" id="fetch">Trigger 404 request</button>

  <div class="log">Click to see jqXHR.status and thrownError.</div>

  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>

  <script>

    $(document).ajaxError(function(event, jqXHR, settings, thrownError) {

      $(".log").text(

        "Status: " + jqXHR.status + " | thrownError: " + thrownError

      );

    });



    $("#fetch").on("click", function() {

      $.get("https://httpbin.org/status/404");

    });

  </script>

</body>

</html>

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jQuery .ajaxError() — thrownError + jqXHR.status (Try It)