Are You a JavaScript Pro? Test Your Knowledge!
Do you think you know JavaScript like a pro? Indeed, it is time to learn! In this fantastic article, we will try a piece of a JavaScript quiz that will help you study more about this incredible language. Check out how you are unique from others and challenge yourself with these quizzes!
Why Take a JavaScript Quiz?
Taking a JavaScript quiz goes beyond only evaluating your knowledge level. Learning something new is much enhanced by this way! For those who have a little experience, or for complete novices, a quiz can either check your knowledge up to a particular skill level or alert you to required improvement.
What to Expect in This Quiz
This JavaScript quiz will cover various topics, including:
- Basic JavaScript concepts
- Functions and variables
- Arrays and objects
- Control structures
- Advanced JavaScript techniques
Notice the readings and pick the correct answer to each question. Let’s get started!
The JavaScript Quiz Begins!
Question 1: What is a variable in JavaScript?
A. A way to store data
B. A function that performs actions
C. An object that holds values
D. A type of loop
Question 2: How do you create a function in JavaScript?
A. function = myFunction() {}
B. function myFunction() {}
C. myFunction: function() {}
D. create function myFunction() {}
Question 3: Which one of the following options does not correspond to one of JavaScript’s data types?
A. Number
B. String
C. Character
D. Boolean
Question 4: What symbol is used for comments in JavaScript?
A. //
B. /*
C. #
D. —
Question 5: What will the following code output: console.log(2 + ‘2’);?
A. 4
B. ‘22’
C. 2
D. Error
Question 6: Which method of adding element is implemented to append an element to the end of an array?
A. push()
B. pop()
C. shift()
D. unshift()
Question 7: What is the use of? this keyword in JavaScript?
A. The global object
B. The current object
C. A variable
D. A function
Question 8: How can you declare a constant variable in JavaScript?
A. var
B. let
C. const
D. static
Question 9: Of the following examples, which one is an example of an array?
A. {1, 2, 3}
B. [1, 2, 3]
C. (1, 2, 3)
D. 1, 2, 3
Question 10: So when one has to perform a function on each element of an array, what does he/she do?
A. Loops through an array and performs a function on each element
B. Adds an element to the end of an array
C. Removes the last element of an array
D. Creates a new array
Question 11: What is JSON?
A. A programming language
B. A way to store data in a structured format
C. A function
D. A method of encrypting data
Question 12: What does the ‘map’ method do in JavaScript?
A. Transforms an array by applying a function to each element
B. Combines two arrays
C. Sorts an array
D. Filters an array
Key Takeaways from the Quiz
- Practice Makes Perfect: Tomorrow’s quizzes are always fun to take as they are an opportunity to revise material which has been taught.
- Identify Your Strengths: Learn what of the two you like doing most, and what of the two you need to do most practice on.
- Stay Updated: JavaScript is a very vast language, so let’s keep exploring!
Answers to the Quiz
Now, let’s see how you did! Here are the correct answers to the JavaScript quiz:
- A — A way to store data
- B — function myFunction() {}
- C — Character
- A — //
- B — ‘22’
- A — push()
- B — The current object
- C — const
- B — [1, 2, 3]
- A — Loops through an array and performs a function on each element
- B — A way to store data in a structured format
- A — Transforms an array by applying a function to each element
Scoring Your Quiz
Now that you know the answers, let’s check how you scored!
11–12 correct answers: You are a JavaScript genius! Keep up the amazing job!
9–10 correct answers: You have a strong understanding of JavaScript. With a little more practice, you’ll be a pro!
7–8 correct answers: Not bad! You have a good grasp but there’s still more to learn. Keep practicing!
5–6 correct answers: You’re on the correct track. Consider studying some JavaScript principles to improve.
0–4 correct answers: Don’t worry! Everyone begins somewhere. Check out some lessons and practice more.
Final Thoughts
JavaScript quizzes are the best way to take a fun filled test and get to know some new things. Success of programming depends on the amount of practice done more the time one spends practicing the better he or she becomes. Besides, JavaScript is always useful whether you are going to develop websites or are looking for a hobby that will help you spend your free time.
If you liked this quiz, consider trying an Advanced JavaScript Quiz next! Keep coding, keep learning, and most importantly, have fun!
Now go ahead and share your score with your friends! Who knows, you might inspire others to accept the task too. Happy coding!
