JQuery interview questions and Answers

Last updated on Jan 09, 2023
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JQuery interview questions

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

Here in this article, we will be listing frequently asked JQuery interview questions and Answers with the belief that they will be helpful for you to gain higher marks. Also, to let you know that this article has been written under the guidance of industry professionals and covered all the current competencies.

Q51. Explain the difference between .js and .min.js?
Answer

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.

Q52. What is the between $(this) and 'this' in jQuery?
Answer

$(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.

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