Week 7
Quiz 16

Quiz 16: Prototypes and Inheritance

Question 1

Shows true?
JavaScript
class Person { }
class Student { }
const s = new Student();
Object.setPrototypeOf(s, Student.prototype);
s instanceof Person;

Question 2

Shows true?
JavaScript
class Person {
 
}
const p = { }
Object.setPrototypeOf(p, Person.prototype);
 
p instanceof Person;

Question 3

Shows true?
JavaScript
class Person {
    constructor(name) {
        this.name = name;
    }
    isCool() { return this.name.length > 5 };
}
 
const p = new Person('Dierk');
 
p instanceof Person;

Question 4

Shows true?
JavaScript
class Person { }
class Student { }
const s = new Student();
Object.setPrototypeOf(s, Person.prototype);
s instanceof Student;

Question 5

Shows true?
JavaScript
class Person { }
class Student { }
const s = new Student();
Object.setPrototypeOf(Student.prototype, Person.prototype);
s instanceof Person;

Question 6

Shows true?
JavaScript
class Person { }
class Student extends Person { }
const s = new Student();
 
s instanceof Person;

Question 7

Shows true?
JavaScript
class Person {
 
}
const p = { };
Object.setPrototypeOf(p, Person.prototype);
 
p instanceof Person;

Question 8

Shows true?
JavaScript
class Person { }
class Student extends Person { }
const s = new Student();
 
s instanceof Student;

Question 9

Shows true?
JavaScript
class Person { }
class Student { }
const s = new Student();
Object.setPrototypeOf(Student, Person);
s instanceof Person;
Quiz 15Quiz 16a