Realtime Data in JS / Page 4

WebTransport Chat

Here chat rides on one reliable bidirectional stream, but the transport can also expose datagrams when you care more about freshness than perfect delivery.

HTTP/3 based Streams + datagrams Useful for richer low-latency protocols

Stream chat

If WebTransport is available locally, this page opens one stream and keeps writing JSON lines into it.

Connection Checking
Channel Reliable stream
Peers 0 live