JavaScriptWTFs

Lorenzo Baracchi

EPISODE 4

Prototype

Person

Alice Bob

Person

Alice Bob

name: alice age: 24

name: bob age: 42

Person

Alice Bob

name: alice age: 24

name: bob age: 42

Person

Alice Bob

name: alice age: 24

name: bob age: 42

?

youngherThan = function(x){ … } youngherThan = function(x){ … }

Person

Alice Bob

name: alice age: 24

name: bob age: 42

__proto__ __proto__

Person. prototype

Alice Bob

__proto__ __proto__

Personprototype

Person. prototype

Alice Bob

__proto__ __proto__

Personprototype

ObjectprototypeObject.

prototype

__proto__