2rr.icu appears to be a newly registered domain with unknown purpose, as there's no information available about its intended use. It's registered through Gname.com Pte. Ltd. and has been updated recently. The domain's nameservers are managed by Cloudflare. The provided JavaScript library, possibly part of the jQuery library, is used for general scripting tasks, including DOM manipulation, event handling, and Ajax requests, suggesting it's likely used in client-side web development for creating dynamic user interfaces or animations.