Why jQuery is used?

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.