All challenges
Multiple ChoiceBeginner 30s

class extends (018)

Choose the best answer for: class inheritance
Options
  1. 1extends is only used to add mixins to a class body
  2. 2extends creates a shallow copy of the parent class
  3. 3class Child extends Parent sets up prototypal inheritance
  4. 4extends is the same thing as implementing an interface

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle