1. Navigation of a document
2. Selection of elements
3. Creating animations
4. Handling events
5. Developing Ajax applications
Selecting DOM elements, traversal and manipulation enabled by Sizzle (selector engine), creating a new programming style, fusing DOM data structures and algorithms.
Example:- <script src="https://ajax.aspnetcdn.com/ajax/jQuery/jQuery-3.2.1.min.js"></script >
This script is used in jQuery.
jQuery works on the philosophy “Write less, do more.” It already has a pre inbuilt library so less of writing codes.
A jQuery code is: