FastCDN

FastCDN is a high-speed and globally available content distribution network for the most popular, open-source libraries.

You can use http or https. We'll use https for all urls on this page.

Prototype

Prototype takes the complexity out of client-side web programming. Built to solve real-world problems, it adds useful extensions to the browser scripting environment and provides elegant APIs around the clumsy interfaces of Ajax and the Document Object Model.

prototypejs.org

Version 1.7.3