Supporting the advancement of the web through JavaScript

The jQuery Foundation Mission

The jQuery Foundation is a member supported non-profit trade association for web developers. We:

For more information, see our mission & vision statement.

Support the jQuery Foundation

The jQuery Foundation is fully supported by generous donations of time and money. You and your company can help:

  • Donate to jQuery today. You can send a small or large amount via PayPal or by check. Every bit makes a difference.
  • Join the jQuery Foundation. Individual members receive an annual membership gift such as a t-shirt, hoodie, or bag, depending on their membership level. Corporate members receive discounts on conference sponsorships and recognition at our many world-wide events. All members are recognized on our members page,
  • Contribute time or services. Like any organization, we constantly need people to write code, maintain servers, write documentation, and many other tasks. If you or your company would like to donate time or services, please contact us.
  • Apply for a jQuery credit card. For every person who receives a jQuery credit card, the jQuery Foundation gets $50. The card has no annual fee and gives you reward points for purchases.

Founding Members

  • WordPress
  • IBM

jQuery Core

jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers. With a combination of versatility and extensibility, jQuery has changed the way that millions of people write JavaScript.
jQuery UI

jQuery UI

jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library. Whether you're building highly interactive web applications or you just need to add a date picker to a form control, jQuery UI is the perfect choice.
jQuery Mobile

jQuery Mobile

A unified, HTML5-based user interface system for all popular mobile device platforms, built on the rock-solid jQuery and jQuery UI foundation. Its lightweight code is built with progressive enhancement, and has a flexible, easily themeable design.


QUnit is a powerful, easy-to-use JavaScript unit testing framework. It's used by the jQuery, jQuery UI and jQuery Mobile projects and is capable of testing any generic JavaScript code, including itself!


A pure-JavaScript CSS selector engine designed to be easily dropped in to a host library.