And what is the code on “submit-form.php” ? ALN Thanks a lot for the explanation. I idea behind using so many elements is to show you how you can save form data in text file using values extracted from different input elements. Do not get overwhelmed by the size of the program. In response to this call the new object fires up the formdata event, on which we register another listener.In this second listener we can grab the actual data from event.formData.. JavaScript Form Validation. Here Mudassar Ahmed Khan has explained with an example, how to submit (POST) JavaScript FormData object to Controller using jQuery AJAX in ASP.Net MVC Razor. In the first event listener we build a new FormData from the form. Casimir de Hauteclocque Thanks ! How to Post FormData (multipart/form-data) with Angular 9/8, TypeScript and HttpClient. If a form field (fname) is empty, this function alerts a message, and returns false, to prevent the form from being submitted: In this quick howto tutorial, you'll learn how to work with FormData in Angular 9 and TypeScript and how to post it to a web server via a POST request and HttpClient. I have designed a simple form using CSS and few HTML elements along with a