jQuery Ajax error handling, show custom exception messages

Question

Is there some way I can show custom exception messages as an alert in my jQuery AJAX error message?

For example, if I want to throw an exception on the server side v

Answer 1

jQuery.parseJSON is useful for success and error.

$.ajax({
    url: "controller/action",
    type: 'POST',
    success: function (data, textStatus, jqXHR) {
        var obj = jQuery.parseJSON(jqXHR.responseText);
        notify(data.toString());
        notify(textStatus.toString());
    },
    error: function (data, textStatus, jqXHR) { notify(textStatus); }
});