Running own turtl server


Hi, I am trying to use own turtl server.I have used server repo and created websocket for the server. I am trying to use turtl/js repo for running my interface and replaced the websocket endpoint to my server endpoint but not able to see anything in the browser when i open index.html only header is showing up and nothing. Please let me know how i can use js repo to run the user interface with my server.