Jan 19, 2019 The complete guide to learning JQuery's $.ajax(). download JQuery directly from their website and linking to it as a file on Wikipedia describes the HTTP get request method as only retrieving information from the server. Dec 14, 2014 GETting. Let's start with a simple but common request. We need to a POST where the entire payload of the request consists of the file data:. Feb 11, 2019 How to download files like PDFs, XLS, and other provided by an API with an AJAX method = post and payload, add it to the fetch request Revert back to using XMLHttpRequest or use jQuery to perform the same task. Dec 13, 2015 For files, it's necessarily a POST request (passing the file in the parameters of console.log(percentComplete); } }, false); //Download progress xhr.