JSFiddle - React, Tailwind, and code Playground

by Dmitri Ganenco

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<form>

<div class="input-group control-group after-add-more">
          <input type="text" name="column[]" class="form-control" placeholder="Enter Column name here">
          <div class="input-group-btn"> 
            <button class="btn btn-success add-more" type="button"><i class="glyphicon glyphicon-plus"></i></button>
          </div>
        </div>
          <input type="hidden" name="projectid" class="form-control" value="'.$_REQUEST['project_id'].'">
        </form>

        <!-- Copy Fields -->
        <div class="copy hide">
          <div class="control-group input-group" style="margin-top:10px">
            <input type="text" name="column[]" class="form-control" placeholder="Enter Column name here">
            <div class="input-group-btn"> 
              <button class="btn btn-danger remove" type="button"><i class="glyphicon glyphicon-asterisk"></i></button>
            </div>
          </div>
        </div>

CSS

.row {
  background: #f8f9fa;
  margin-top: 20px;
}

.col {
  border: solid 1px #6c757d;
  padding: 10px;
}

JavaScript

function addMore(){
    var html = $(".copy").html();
          $(".after-add-more").after(html);
}

$('.add-more').on('click', function(){
	const cloned = $(".copy").html();
  $(".after-add-more").after(cloned);
});