function Person() {
this.name = 'John'
}
// adding property
Person.prototype.name = 'Peter';
Person.prototype.age = 23
const person1 = new Person();
console.log(person1.name); // John
console.log(person1.age); // 23{
prop: "some value",
__proto__: {
foo: "bar",
constructor: ƒ doSomething(),
__proto__: {
constructor: ƒ Object(),
hasOwnProperty: ƒ hasOwnProperty(),
isPrototypeOf: ƒ isPrototypeOf(),
propertyIsEnumerable: ƒ propertyIsEnumerable(),
toLocaleString: ƒ toLocaleString(),
toString: ƒ toString(),
valueOf: ƒ valueOf()
}
}
}