This websocket connection automaticaly reconnects when the closing event gets fired.

reconnectiong-websocket.js

// gets called when a message is recieved
var onmessage = function (event) { 
  console.log(event);
};

// reconnecting websocket
var socket;
(function start(address){
  // creating a WebSocket and set eventhandlers
  socket = new WebSocket(address);
  socket.onmessage = onmessage;
  socket.onclose = function(){
    // reconnect the websocket
    setTimeout(function() {
      start(address);
    }, 100);
  };
})('ws://url.to/web/socket');