cryptocurrency price tracker

processRequest-method.js

function processRequest(e) {
  if (xhr.readyState == 4 && xhr.status == 200) {
    var response = JSON.parse(xhr.responseText);
        pubnub.publish({
          channel: 'bitcoin-feed',
          message: {
            eon: {
              'BitCoin': response.BTC.USD.toFixed(2)
            }
          }
        });
        pubnub.publish({
          channel: 'ether-feed',
          message: {
            eon: {
              'Ether': response.ETH.USD.toFixed(2)
            }
          }
        });
        pubnub.publish({
          channel: 'litecoin-feed',
          message: {
            eon: {
              'LiteCoin': response.LTC.USD.toFixed(2)
            }
          }
        });
    }
}