• By Bimlesh Kumar
• 24 Dec, 2025
• IT Consultancy

Top jQuery Interview Questions and Answers for 2025 Last Part (Beginner to Advanced)

This is the last part of the jQuery Qustions and Answers

41. What are the four parameters used for jQuery Ajax method?

The four parameters are:

• URL – Need to specify the URL to send the request
• type – Specifies type of request(Get or Post)
• data – Specifies data to be sent to server
• Cache – Whether the browser should cache the requested page

42. What is the use of jQuery filter?

The jQuery filter is used to filter the certain values from the object list based on the criteria. Example is to filter certain products from the master list of products in a cart website.

43. Which program is useful for testing jQuery?

QUnit is used to test jQuery and it is very easy and efficient.

44. What is the script build up by jQuery?

jQuery is a Javascript file and it is single javascript file that contains common DOM, event effects and Ajax functions.

45. What is the use of jQuery.ajax method ()?

jQuery.ajax method is used for asynchronous HTTP requests.

46. What is called chaining?

Chaining is used to connect multiple events and functions in a selector.

47. What are the advantages of jQuery?

Following are the advantages of jQuery:

• Just a JavaScript enhancement
• Coding is simple, clear, reusable
• Removal of writing more complex conditions and loops

48. Which is the fastest selector in jQuery?

ID and Element are the fastest selectors in jQuery.

49. What is the slowest selector in jQuery?

Class selectors are the slowest selectors in jQuery.

50. Why jQuery is better than JavaScript?

jQuery is a library used for developing Ajax application and it helps to write the code clean and concise. It also handles events, animation and Ajax support applications.