JSFiddle - React, Tailwind, and code Playground

HTML

<div class="products">
<input class="clautomenge" type="text" value="1" id="automenge"  name="Menge[]" placeholder="Menge" required/>
</div>
<button id="clone-search" class="formstylebutton" type="button">add one</button>

JavaScript

var products = $(".products").clone();
$('#clone-search').click(function(){
var clonedRow = products.clone().insertAfter(".products:last").find(":input").val(this.value).end();
console.log(products,clonedRow,$('[name="Produkt[]"]', clonedRow))
});


	$( ".products:last #automenge" ).on("change",  function() {
	alert("wow");

	});