ws_javascript.js

// Install with: > npm install bitcoinaverage

const ba = require('bitcoinaverage');
var pub = '<your public key>';
var secret = '<your secret key>';

var wsClient = ba.websocketClient(pub, secret);

wsClient.connectToTickerWebsocketV2('global', ['ETHUSD', 'BCHUSD', 'LTCUSD', 'ETCUSD'], function(response) {
  console.log(response.data.global);
}, function(error){
  console.log(error)
}, function(){
  console.log("websocket closed");
});