ajaxComplete stopPropagation

JavaScript

$(document).ajaxError(function (e, jqXHR) {
    alert('a - ' + jqXHR.responseText);
    e.stopPropagation();
    e.stopImmediatePropagation();
    e.preventDefault();
});
$(document).ajaxError(function (e) {
    alert('b');
});

$.ajax({url: '/echo/json1/', type: 'POST', error: function (jqXHR) { alert(jqXHR.responseText);}, global: true});