Dynamic Tab Interface Builder

Open the same page in two tabs and send messages between them. See real‑time cross‑tab communication. Learn the API.

API API Broadcast Channel messaging tabs

Set up a Shared Worker that shares state across multiple browser tabs. Counter and messaging demo. Advanced web.

API demo Shared Worker state tabs

See how many tabs you have open and estimate memory usage based on navigator object. Fun productivity check.

Info browser counter memory tabs

Tag: Dynamic Tab Interface Builder