Developer Quiz
Test your web development knowledge with multiple-choice quizzes on JavaScript, CSS, and general web concepts. 10 questions per quiz, shuffled from a pool of 20+ per category.
Select a Category
10 questions per quiz, shuffled from a larger pool. All processing happens locally.
Developer Quiz
Test your web development knowledge with multiple-choice quizzes on JavaScript, CSS, and general web concepts. 10 questions per quiz, shuffled from a pool of 20+ per category.
Features
- 63-question bank covering JavaScript, CSS, and General Web fundamentals (21 questions per category)
- Each question has 4 options, one correct answer, and an explanation
- 10-question session with shuffled selection and per-session scoring
- Timer tracks per-session elapsed time
- Review mode shows correct + your answer for each question after submission
How to use
- Select a quiz category: JavaScript, CSS, or General Web.
- Click Start Quiz to begin your 10-question challenge.
- Select an answer for each question and click Confirm to check your answer. Review the explanation, then proceed to the next question. After all questions, view your score and review all answers.
Tips & Best Practices
- Categories are balanced — three rounds gives a full coverage of all 63 questions.
- Pay attention to the explanations — even when you get the answer right, the explanation often surfaces a subtle detail.
- JavaScript questions cover language fundamentals; web questions cover HTTP, DOM, accessibility, and security basics.
- For more comprehensive interview prep, supplement with structured resources like JavaScript.info, MDN, and frontend interview repos.
- Quiz results aren't saved across sessions — close the tab and the score is gone.
FAQ
How many questions are in each quiz?
Each quiz contains 10 questions randomly selected and shuffled from a pool of over 20 questions per category. This means you will get a different quiz each time you play.
What categories are available?
There are three categories: JavaScript (covering language features, ES6+, async, closures), CSS (layout, selectors, modern features), and General Web (HTTP, security, performance, APIs).
Can I see which answers I got wrong?
Yes. After completing the quiz, a detailed review shows every question with your answer and the correct answer. Wrong answers are highlighted with the correct answer shown alongside.
Is there a time limit?
There is no enforced time limit. However, the quiz tracks how long you take to complete all 10 questions, so you can challenge yourself to improve your speed.
Is my quiz data sent to a server?
No. All questions, scoring, and results are processed entirely in your browser. No data is sent to any server, making it completely private.
Can I retake the same quiz?
Yes. Click the Try Again button after viewing your results to start a new quiz. Questions are re-shuffled each time, so you may get different questions from the pool.