The Jquery Foundation
jQuery is a widely-used, fast, small, and feature-rich JavaScript library designed to make client-side scripting much simpler. It streamlines complex JavaScript tasks, providing an easy-to-use API for navigating and manipulating the HTML Document Object Model (DOM), handling events, performing animations, and making asynchronous HTTP (Ajax) requests. It abstracts away many browser inconsistencies, allowing developers to write less code that works reliably across different web browsers. The library is typically loaded as a single .js file on a webpage and exposes a global 'jQuery' or '$' object for interaction.