Just a wrapper around Jquery to perform ajax requests in a browser more easily.creates a new instance of Request. notice, not all browsers support this, you should probably use POST, and some technique to override methods in your server. Be aware that this will affect all subsequent AJAX requests unless changed again.Related posts: PHP Caching Headers. Using Apache modexpires to control browser caching. Load JSON data with jQuery, PHP and MySQL. I am trying to use JQuery ajax post to call an ASP.Net Core Controller.This is Request Payload: The request parameter has always the following values: Answer null UserId 0 TenantId 0 What am I doing wrong? jQuery supports HTTP post request using two basic methods The jQuery JSON request has found a distinct advantage while sending form data to the server. 2) AJAX . There are a couple ways to initiate a GET ajax request using jQuerys API. One involves the get method, which is shorthand for ajax with a type of get.Now, lets send a POST where the entire payload of the request consists of the file data This tutorial shows how to send ajax request using jQuery ajax() method. The jQuery ajax() method provides core functionality of Ajax in jQuery.