/// window.onerror = function (msg, url, line) { alert("Error: " + msg + "\nurl: " + url + "\nline #: " + line); var suppressErrorAlert = true; // If you return true, then error alerts (like in older versions of // Internet Explorer) will be suppressed. return suppressErrorAlert; }; $(document).ajaxSuccess(function (event, XMLHttpRequest, ajaxOptionsa) { console.log(ajaxOptionsa); });