JSFiddle - React, Tailwind, and code Playground

HTML

<button>Clone and add</button>

<p>
  <input class="file" type="file" name="files[]">
</p>

JavaScript

$('button').click(function(){
	var $cloned = $('p:first').clone();
  $cloned.find('input').each(function(){
  	this.value = null;
  });
  $cloned.appendTo('body');
});