JQuery interview questions and Answers
jQuery is a feature-rich, lightweight, and fast JavaScript library, which makes HTML documents, event handling, Ajax, and animation easier with a simple API that works across almost all browsers. These jQuery interview questions will enhance your skills and help you to write in a mainstream JavaScript library, used by major players. The critical purpose of jQuery is to make using JavaScript more convenient on your website. A great combination of extensibility and flexibility, jQuery takes a lot of general tasks that require multiple lines of JavaScript code and wraps them in a manner that you can use with a single line of code.
Most Frequently Asked JQuery interview questions
Both .js
and min.js
have the same functions. But, min.js is a compressed version of .js with comments and whitespaces stripped out of it to preserve bandwidth.
$(this) method wrapper around the DOM tree method, whereas ‘this’ is a complete DOM tree method.
$(this) method can be used to call jQuery functions, but ‘this’ calls only the DOM tree functions.
Development History of jQuery
jQuery was released by John Resig at the BarCamp NYC in January 2006. Currently, it is headed by Timmy Wilson and managed by a team of expert developers.
Latest Version: The most recent version is 3.5.0, which was released on 4th May 2020.
Advantages
- Easy to learn and intuitive
- Deals with many cross-browser bugs
- Clean and simple syntax
- Open source library
- Highly extensible
These jQuery interview questions will help you prepare for your upcoming job interview as well and fast-track your career, whether you are a fresher or an experienced Jquery developer.