JSFiddle - React, Tailwind, and code Playground

HTML

<div id="dftenglist">
     <label for="dtfeng">Name:</label><input type="text" class="dfteng"> 
      <button id="plusdfteng">+</button> 
</div>

JavaScript

$("#plusdfteng").click(function() {
  $("#dftenglist").append('<br><span><label for "a">Name:</label><input type="text" class="dfteng"> <button class="minusbtn">-</button></span>'); 
});
    
$(".minusbtn").click(function() {
  $(this).parent().remove();
})