JSFiddle - React, Tailwind, and code Playground

HTML

<script   src="https://code.jquery.com/jquery-2.2.4.min.js"   integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44="   crossorigin="anonymous"></script>

<input name="file" class="files" type="file" multiple>

JavaScript

$('.files').change(function(ev) {
var item = $(this);
  
  var data = new FormData();
  
  $.each(ev.currentTarget.files, function (key, value) {
  	 data.append('files', value);
  });
  
  console.log(data.getAll('files'));
});