WebSocket Echo Server
Show how to write a simple WebSocket server application.
This Echo Server shows how to create a simple server application that sends back a reply in response to a message it receives, using the WebSocket API. For the sake of illustration, the reply is simply a copy of the message.
If your web browser supports WebSocket, you can also use it to open the echoserver/echoclient.html{echoclient.html} file, and operate as shown in the following screenshot:
Otherwise use the WebSocket Echo Client to connect to the server.
See also WebSocket Echo Client.