jQuery Developer Interview Questions & Answers

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jQuery Developers are highly skilled JavaScript Developers who specialize in working with the jQuery JS library. They are mainly responsible for developing new user-facing web features, building reusable code and libraries, and ensuring the feasibility of UI/UX designs.

Whether you're a job seeker preparing to be interviewed for the role of jQuery Developer or an employer preparing to interview candidates for jQuery Developer position, these jQuery Developer interview questions will help you prepare yourself for the job interview session.

jQuery Developer Interview Questions

Below are a list of some skill-based jQuery Developer interview questions.

1. What is jQuery? How does it work?
2. What’s the difference between jQuery and JavaScript?
3. What are the advantages of working with jQuery as opposed to other JS libraries?
4. Tell me about your experience working with jQuery
5. What projects have you done with jQuery? Can you show us references.
6. Distinguish between jquery.min.js and jquery.js
7. Can you give me some examples of how jQuery can be used in real-world applications?
8. What are some advantages of using jQuery over vanilla JS?
9. How would you ensure that your JavaScript code is scalable for future applications?
10. A client wants an application optimized for speed. How do you proceed?
11. How do you select a specific element from an HTML page using jQuery?
12. How do you traverse elements on an HTML page using jQuery?
13. What’s the difference between jQuery selectors and CSS selectors?
14. Explain what the “each” function does in jQuery?
15. What is the use of the $() method in jQuery?
16. What is the correct way to include jQuery in your HTML document?
17. Differentiate between .empty() vs .remove() vs .detach() in jQuery.
18. What are the methods used to provide effects in jQuery?
19. What is a CDN? What are the advantages of using CDN?
20. Explain the use of the toggle() method in jQuery.
21. Can a jQuery library be used for server scripting?
22. How can you add a jQuery library in your project?
23. What are the selectors in jQuery?
24. Explain how CSS classes can be manipulated in HTML using jQuery.
25. In jQuery, what is the difference between $(this) and this.
26. Explain the use of event.preventDefault() method.
27. Is it possible to pause or postpone the execution of the document.ready for a period of time?
28. Would you still favor jQuery in a case when things can be done simply using javascript?
29. Can you explain the difference between jQuery.get() and jQuery.ajax()?
30. Write a jQuery code to create and delete cookies from the browser.
31. Write a code snippet for preventing the default behavior of the submit button using jQuery.
32. Write A jQuery Code Snippet To Sort A String Array?

jQuery Developer Interview Questions and Answers

Every interview is different and the questions may vary. However, there are lots of general questions that get asked at every interview.

Below are some common questions you'd expect during jQuery Developer interviews. Click on each question to see how to answer them.

1. Why Do You Want This Job?
2. What Is Your Greatest Accomplishment?
3. What is Your Greatest Strength?
4. What is Your Salary Expectation?
5. Tell Me About Yourself
6. Why Do You Want To Leave Your Current Job?
7. Are You a Leader or a Follower?
8. Do You Have Any Questions for Us?
9. What is Your Greatest Weakness?
10. Why Should We Hire You?

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