Basic Orderbook Polling

import ccxt from '../../js/ccxt.js';

const id = 'huobipro', exchange = new ccxt[id] ({ enableRateLimit: true }), symbol = 'ETH/BTC';(async function main () {

   await exchange.loadMarkets ()

   for (let i = 0; i < 2000; i++) {

       const orderbook = await exchange.fetchOrderBook (symbol)
       console.log (new Date (), i, symbol, orderbook.asks[0], orderbook.bids[0])
   }

}) ()