15 questions · 15 minutes · JavaScript
JS Essentials: Quiz 2 practice quiz
15 very basic JavaScript questions for absolute beginners (language concepts only).
Before you start
Answer all 15 questions. Each question carries 1 mark. No negative marking. You have 15 minutes.
You can take this without an account and you will still get the full marked review. Only signed-in attempts are saved — sign in first if you want this one kept in your history.
- Questions
- 15
- Time
- 15 minutes
- Marks
- 15
- Subject
- JavaScript
- Marking
- Server-side
What it asks
The first few questions
- Which keyword creates a new variable that can be changed later?
- Which of these is a boolean literal?
- What is the typeof 42 in JavaScript?
- Which operator assigns a value to a variable?
11 more once you begin. Options are withheld until the attempt starts — the answer key never reaches the browser before you have been marked.