Uploading Files in Polymer 3

Tutorial for using <iron-form> to upload files to any server as multipart

File Input with <iron-form> in Polymer Framework

Polymer Framework (v3.4.1) has been a matured framework to write multiple web applications & its project maintainers have actually written a lot of elements, both visual & utility ones and are being actively maintained as well. The developers & maintainers have done a commendable job in keeping the elements as per the standards with their…