10 Popular JQuery Interview Questions & Answers

1) What is jQuery?

jQuery is lightweight, feature-rich client-side JavaScript framework which assists in traversing  HTML DOM, adding Ajax interaction, manipulating the page content, altering the style and offering amazing UI effects.

2) Is jQuery a programming language?

jQuery is well-written JavaScript code but it is not a programming language. It is basically used for even handling, traversing documents, and animation and Ajax interaction.

3) What is the difference between JavaScript and jQuery?

The main difference is that jQuery is a built-in library made up of JavaScript while JavaScript is a language. JQuery basically simplifies the use of JavaScript language.

5)What are uses of jQuery?

  • jQuery is easy to learn and use
  • It is used for developing browser compatible web applications.
  • jQuery enhances the performance of an application.
  • jQuery is fast and extensible.
  • It offers a cross-browser support.

6) Is jQuery a substitute of JavaScript?

jQuery is not the substitute of JavaScript. It is just a JavaScript library used for interacting with HTML and JavaScript.

7)List some of effects methods used in jQuery?

  • fadeIn()
  • show()
  • toggle()
  • fadeOut()
  • hide()

8)Do jQuery HTML work for XML and HTML document?

No, jQuery HTML does not work for HTML document and it only works for HTML.

9)Name some different types of selectors in jQuery?

  • XPath Selector
  • Custom Selector
  • CSS Selector

10) Is jQuery a W3C standard?

jQuery is not a W3C standard.

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