My experience is that the OPTIONS call disappeared, I got the POST verb jQuery ajax request works, same AngularJS ajax request doesnt. Enabling refreshing for specific html elements only.From .ajax documentation: Cross-domain requests and dataType: jsonp requests do not support synchronous operation. Cross Domain AJAX Request. Posted on: October 2, 2016 by Dimitar Ivanov.Usually, this happens when you execute AJAX cross domain request using jQuery Ajax interface, Fetch API, or plain XMLHttpRequest. From .ajax documentation: Cross-domain requests and dataType: jsonp requests do not support synchronous operation.admin. Related Posts. How can I get an oauth access token in sharepoint 2013? January 30, 2018 Jquery Leave a comment. I am making call to cross domain web api request. If I just paste the URL its returning the XML response(not passing any credentials).