Certainly! Here are some jQuery interview questions for fresher candidates in 2023:
- What is jQuery, and why is it used in web development?
- How do you include jQuery in a web page? Can you provide examples of different methods to do so?
- Explain the difference between jQuery and JavaScript. When would you choose one over the other?
- What is a DOM (Document Object Model), and how does jQuery interact with the DOM?
- How can you select an HTML element using jQuery? Provide examples of various selectors.
- What is the difference between $(document).ready() and $(window).load() in jQuery? When would you use each of them?
- How do you create a new HTML element using jQuery, and how do you append it to the DOM?
- Explain the purpose of jQuery plugins. Can you name a few popular jQuery plugins and what they do?
- What is event delegation in jQuery, and why is it important?
- Describe the purpose of AJAX in web development and how jQuery simplifies AJAX requests.
- How can you animate elements using jQuery? Provide an example of a simple animation.
- What is the importance of callback functions in jQuery? Give an example of how you would use a callback in an animation.
- Explain the concept of method chaining in jQuery. Provide an example of method chaining.
- How can you handle errors in jQuery AJAX requests? What are the typical methods for error handling?
- What is the purpose of the $.ajax() method, and what are its essential parameters?
- Can you explain the concept of event handling in jQuery, and how does it differ from standard JavaScript event handling?
- What is the difference between .prop() and .attr() in jQuery when working with HTML attributes?
- How would you optimize the performance of a web page that heavily relies on jQuery? Provide some best practices.
- What is the role of the $.each() function in jQuery, and how would you use it to iterate over an array or object?
- Explain how you would remove an element from the DOM using jQuery.
Remember to not only provide answers but also be prepared to demonstrate your knowledge through practical examples or coding challenges if required during the interview.
