1. What does JavaScript primarily allow you to do in web development?
2. Which of the following is NOT a valid JavaScript data type?
3. How do you comment a single line of code in JavaScript?
4. Which keyword is used to declare a variable in JavaScript?
5. What will be the result of the following code , console.log(5 + "5");?
6. Which operator is used to compare two values for equality without considering their data types?
7. What is the correct way to declare a function in JavaScript?
8. How do you check the length of an array in JavaScript?
9. Which of the following statements is used to exit a loop prematurely in JavaScript?
10. What does the typeof operator return for an undefined variable?
11. What is the result of the expression 5 > 3 && 2 < 4?
12. How can you convert a string to an integer in JavaScript?
13. What is the purpose of the setTimeout() function in JavaScript?
14. What is an anonymous function in JavaScript?
15. Which of the following is the correct way to write a JavaScript array?
[1, 2, 3, 4]
{1, 2, 3, 4}
(1, 2, 3, 4)
1, 2, 3, 4
16. What is the result of the expression 2 + "2"?
17. What does the NaN value represent in JavaScript?
18. What is the purpose of the else statement in JavaScript?
19. Which built-in object is used to display messages in a pop-up box in JavaScript?
20. What does the this keyword refer to in JavaScript?
21. Which statement is used to throw an exception in JavaScript?
22. What is the purpose of the forEach method in JavaScript?
23. Which operator is used for strict equality comparison in JavaScript?
24. What does the localStorage object in JavaScript allow you to do?
25. Which function is used to remove an item from the end of an array in JavaScript?
25 uniquely designed questions just for you to evaluate your skills in Javascript Basics quiz. Are you ready to challenge yourself and explore more? Let's get started and see how much you can score out of 25.
Test your knowledge of JavaScript basics with this interactive quiz. Explore JavaScript data types, operators, functions, and more in web development
Please feel free to report any corrections if you come across any inaccuracies or errors. Your feedback is valuable in maintaining the accuracy of our content.
Questions