rauschma, #JavaScript—I’m still a big fan of server-sent events (SSE): They provide a very simple API for sending messages from server to client. That means you often don’t need a library:
– Messages from client to server: use HTTP(S) requests (REST).
– Messages from server to client: SSEQuick howto: https://gist.github.com/rauschma/5ac9c3b8ed708f244ad1f3ef6e6721cb