// window.addEventListener('load', function () {
  console.log("Page loaded... connecting to server...");
  const webSocket = new WebSocket(`ws://${window.location.host}`);
  var last_contact = Date.now();
  setInterval( () => {
    if (last_contact + 5000 < Date.now()) {
      console.log("Connection to server hung...");
    }
  }, 3500 )
  webSocket.onopen = (e) => {
    webSocket.send("TEST");
  }
  webSocket.onclose = (e) => {
    console.log("Disconnected from server");
  }
  webSocket.onerror = (e) => {
    console.log("Connection ERROR");
    console.log(e);
  }
  webSocket.onmessage = (e) => {
    if( e.data === "PONG" ) { last_contact = Date.now(); return }
    if( e.data === "TEST" ) { return console.log("Connected to server"); }
    console.log(e.data);
    console.log(JSON.parse(e.data));
  }
  window.setInterval( ()=>webSocket.send('PING'), 1000 );
// })