jQuery Question Answer

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. Whether jQuery HTML work for both HTML and XML documents?

No, jQuery HTML only works for HTML documents not for XML Documents.

4. What are the methods used to provide effects?

Some of the effects methods are:

• Show()
• Hide()
• Toggle()
• FadeIn() and
• FadeOut()

5. What is the advantage of using minimized version of jQuery?

Efficiency of web page increases when minimized version of jQuery is used.min.js file will be more than 50% less than the normal js file. Reduction in the file size makes the web page faster.