Query is the world's most popular JavaScript library (by far) in terms of sites using it in production today. Learn the basics of jQuery in 100 seconds.

jQuery is an open-sourced JavaScript library that simplifies creation and navigation of web applications. Specifically, jQuery simplifies HTML Document Object Model (DOM) manipulation, Asynchronous ...

Ajax file uploads. A developer can perform an Ajax-based file upload to a server with JavaScript in five steps: An HTML5 input form element must be included in the webpage that renders in the client’s ...