this, Prototypes & Classes
← JavaScript course — Chapter 5 of 5
How this is determined, prototype chains, classes and inheritance, ES modules, and what new actually does.
~~~
Your score — this, Prototypes & Classes
/ (%)
~~~
Learn more
These quizzes are based on tutorials published on this site. Go deeper on this, Prototypes & Classes:
~~~
About this course
This is a chapter of the free JavaScript quiz course. Answer each question, get immediate feedback with an explanation, and move on. Your progress is saved in your browser — nothing leaves your machine.