how to test this

[KotsanisNakos]

i follow the steps of this and i cant check if it work for me. i have create the view-stream.html and i have also start the server *[\test\ node index.js] Listening on port :80. Now in browser I'm trying to see if the project is working by typing:
localhost:8080/view-stream.html | localhost:8080
localhost:3000/view-stream.html | localhost:3000
localhost:5000/view-stream.html | localhost:5000
localhost:4800/view-stream.html | localhost:4800
localhost:80 -->hello world?
any solution how to make it work for me?