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docs/ccxt/wiki/examples/js/basic-orderbook-polling.md

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+- [Basic Orderbook Polling](./examples/js/)
+
+
+ ```javascript
+ 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])
+    }
+
+}) () 
+```