Download file via ajax request javascript

 · Currently most of the web applications show a normal link for the user to download a file. However it is also possible to download a file using a Javascript AJAX .  · For more details, the above source code is able to download a file using a JQuery Ajax request (GET, POST, PUT etc). It, also, helps to upload parameters as JSON and to change the content type to application/json (my default). The html source.  · Download file with ajax() POST request via Spring MVC. Ask Question Asked 8 years, 11 months ago. Active 1 year, 11 months ago. Viewed 66k times How do I send a cross-domain POST request via JavaScript? jQuery Ajax File Upload. jQuery Ajax POST example with PHP. Reviews: 8.

When the Download Button is clicked, the DownloadFile JavaScript function is called. Inside the DownloadFile JavaScript function, the URL of the File is passed as parameter to the jQuery AJAX function. Inside the jQuery AJAX function, using the XmlHttpRequest (XHR) call, the PDF file is downloaded as Byte Array (Binary Data). A cached file is not an option (update a file or database on the server). Sending a large amount of data to the server (POST has no size limitations). Sending user input (which can contain unknown characters), POST is more robust and secure than GET. reply. sarussian. 1. i believe this is the easiest way to do so: make a page that generates the file you want just like you would do with ajax (unless this is a fixed file which makes it even easier) and simply set a button with javascript code: "bltadwin.ru (location);" and it will download the file!

Occasionally I stumble upon the need to download files from POST requests. An example would be generating PDF files, where the PDF content is dependent on the request. Interestingly this is not as straightforward as you may think, but it's not that hard either. The file will be downloaded as BLOB using jQuery AJAX and XmlHttpRequest (XHR) request and then the file will be downloaded using the Response inside the Success event handler of jQuery AJAX function. I have an ajax function that exports a database of contacts to bltadwin.ru file, and just after it finishes, it automatically starts bltadwin.ru file download. So, after I get the responseText and everything is Ok, I redirect browser like this.