prototype.html

<!DOCTYPE html>
<html>
<head>
    <title></title>
    <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
    
    <script type="text/babel">
       
      let a1 = {
         cor: 'Azul',
         modelo: 'Airbus a300',

         levantarVoo: function(){
            document.write("O AVIÂO ESTÀ VOANDO")
         }
      }

      let AviaoFactory = function(){
         this.cor = 'branco',
         this.modelo = 'Boeing a300',
         this.levantarVoo = function(){
            document.write("O AVIÂO ESTÀ VOANDO")
         }
      }

      let a2 = new AviaoFactory()

      console.log(a1)
      console.log(a2)

      Object.prototype.atrib4 = 'Herdou de Object'

      let animal = { atrib1: 'Herdou animal com o proto'}
      let vertebrado = { __proto__: animal, atrib2: 'Herdou vertebrado com o proto'}
      let ave = { __proto__: vertebrado, atrib3: 'c'}
      console.log(ave.atrib2, ave.atrib1, ave.atrib4)
      
    </script>
</head>
<body>
    
</body>
</html>