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orientacao-objetos-herança.html
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<!DOCTYPE html>
<html>
<head>
<title></title>
<script>
class Animal {
constructor(){
this.cor = ''
this.tamanho = null
}
dormir() {
console.log('dormiu')
}
}
class Cachorro extends Animal {
constructor(){
super()
this.orelha = 'longas e caídas'
}
correr(){
console.log('correu')
}
rosnar(){
console.log('rosnou')
}
}
class Passaro extends Animal {
constructor(){
super()
this.bico = 'curto'
}
voar(){
console.log('voou')
}
}
class Papagaio extends Passaro {
constuctor(){
this.sabeFalar = true
}
falar(){
if(this.sabeFalar = true){
console.log('falou')
} else {
console.log('não falou')
}
}
}
let cachorro = new Cachorro()
let passaro = new Passaro()
let papagaio = new Papagaio()
console.log(cachorro)
console.log(passaro)
console.log(papagaio)
</script>
</head>
<body>
</body>
</html>