Get Bitfinex API data with Websockets

Intro-Bitfinex-API-Websockets

// First go to http://docs.bitfinex.com and click on the websockets tab
// Scroll down and find the SSL websocket connection URL
For example: wss://api.bitfinex.com/ws

// In a new Javascript file create a variable for new websocket
var ws = new WebSocket('wss://api.bitfinex.com/ws');

// Create function to send on open
ws.onopen = function() {
  ws.send(JSON.stringify({"event":"subscribe", "channel":"ticker", "pair":"BTCUSD"}));
};

// Tell function what to do when message is received and log messages to "btc" div
ws.onmessage = function(msg) {
  // create a variable for response and parse the json data
  var response = JSON.parse(msg.data);
  // save hb variable from bitfinex
  var hb = response[1];
  if(hb != "hb") {
    document.getElementById("btc").innerHTML = "ASK: " + response[3] + "<br> LAST: " + response[7] + "<br> BID: " + response[1];
  }
};

does bitfinex support batch request .....
Ex: ws.send(JSON.stringify([{"event":"subscribe", "channel":"ticker", "pair":"BTCUSD"},{"event":"subscribe", "channel":"ticker", "pair":"ETHUSD"},{"event":"subscribe", "channel":"ticker", "pair":"XRPUSD"}]))