JSFiddle - React, Tailwind, and code Playground

HTML

<input type=button id=addCount value="Adicionar Count">
    
    <div id="new_elem">
        
    </div>

CSS

p{
    background: red;
    color: #fff;
}

JavaScript

var count = 5;//recebendo o valor 5 que vocĂŞ disse
$('#addCount').click(function(){
  $('#new_elem').append('<p>'+count+'</p>');
  count++;
});