- HTML DOM tree traversal and manipulation
- Event handling
- CSS animations
- Ajax applications
JQuery is also intended to help provide cross-browser compatibility as well as extensibility.
It was originally created by John Resig. Resig graduated with an undergraduate degree in Computer Science from Rochester Institute of Technology. He has worked for the Khan Academy and the Mozilla Corporation. He is also involved with Processing.js, EnvJS, TestSwarm, Sizzle, and FUEL.