JSFiddle - React, Tailwind, and code Playground

HTML

<div id="conteiner"></div>

JavaScript

var parent = document.getElementById('conteiner');
for (var i = 0; i < 10; i++) {
  var
    element = document.createElement("input");
  element.className = 'appointmentClass'
  element.id = 'countAppointments' + i;
  element.type = 'button';
  element.name = 'name';
  element.value = 'remove';
  element.onclick = function() {
    alert(this.id);
    this.parentNode.removeChild(this);
  };
  parent.appendChild(element);
}