JSFiddle - React, Tailwind, and code Playground

JavaScript

var A = function(ruedas, tipo){};
   A.prototype.constructor = A;
   A.prototype.ruedas = 0;
   A.prototype.tipo = "normal";
   A.prototype.getRuedas = function(){
      return "Ruedas: " + this.ruedas;
   }
   A.prototype.setRuedas = function(ruedas){
      this.ruedas = ruedas;
   }
      
   var B = function(){};
   B.prototype = new A;
   B.prototype.constructor = B;
   B.prototype.pedales = 2;
   B.prototype.getPedales = function(){
      return "Pedales: " + this.pedales;
   }
   var b = new B();
   alert(b.getPedales());
   b.setRuedas(2);
   alert(b.getRuedas());