International JavaScript Conference London 2026

International JavaScript Conference London 2026 is a five-day hybrid event for JavaScript and full-stack developers, with conference days at Park Plaza Victoria London and the QEII Convention Centre.

The event runs from May 11 to 15, 2026 at the Park Plaza Victoria London hotel, combining workshop days, a bootcamp and two main conference days. Sessions and keynotes cover Angular, React and Next.js, Node.js, generative AI in JavaScript, web architecture and performance, and testing and security. The program includes hands-on workshops alongside keynote and session talks from speakers based in several countries.