JSFiddle - React, Tailwind, and code Playground

HTML

<input type="checkbox" class="chkcl" name="vehicle" value="Bike"> I have a bike<br>
  <input type="checkbox" class="chkcl" name="vehicle" value="Car"> I have a car<br>

JavaScript

$(".chkcl").change(function(){

  var atual = $(this).val();
  alert(atual);
  var troca = 2;
  $(this).val("2"); // quando eu faço isso gostaria que ele alterece o valor daquele checkbox para 2
  alert($(this).val());
});