Why jQuery?

jQuery is very compact and well written JavaScript code that increases the productivity of the developer by enabling them to achieve critical UI functionality by writing very less amount of code.

It helps to

# Improve the performance of the application
# Develop most browser compatible web page
# Implement UI related critical functionality without writing hundreds of lines of codes
# Fast
# Extensible – jQuery can be extended to implement customized behavior

Other advantages of jQuery are

# No need to learn fresh new syntax's to use jQuery, knowing simple JavaScript syntax is enough
# Simple and Cleaner code, no need to write several lines of codes to achieve complex functionality.