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jQuery Interview Questions and Answers

1
What is jQuery?

jQuery is not a programming language but a well written JavaScript code. It is a JavaScript code, which do document traversing, event handling, Ajax interactions and Animations.

2
Why jQuery is needed?

jQuery is needed for the following list:

  • Used to develop browser compatible web applications
  • Improve the performance of an application
  • Very fast and extensible
  • UI related functions are written in minimal lines of codes
3
What are the methods used to provide effects?

Some of the effects methods are:

  • Show()
  • Hide()
  • Toggle()
  • FadeIn() and
  • FadeOut()
4
Is jQuery is a JavaScript or JSON library file?

jQuery is a library of JavaScript file and it consists of DOM, event effects and the Ajax functions. jQuery is said to be a single JavaScript file.

5
Which operating system is more compatible with jQuery?

Mac, Windows and Linux are more compatible with the jQuery.

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