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docs/ccxt/wiki/examples/js/advanced-error-handling.md

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+- [Advanced Error Handling](./examples/js/)
+
+
+ ```javascript
+ "use strict";
+
+const ccxt      = require ('../../ccxt.js');
+
+// instantiate the exchange
+let exchange = new ccxt.coinbasepro  ({
+    'apiKey': 'XXXXXXXXXXXXXX',
+    'secret': 'YYYYYYYYYYYYYY',
+});
+
+async function checkOrders(){
+    try {
+        // fetch orders
+        let orders = await exchange.fetchOrders ('BTC/USDT');
+        // output the result
+        console.log (exchange.id, 'fetched orders', orders);
+    } catch (e) {
+        if (e instanceof ccxt.DDoSProtection || e.message.includes ('ECONNRESET')) {
+            console.log ('[DDoS Protection] ' + e.message);
+        } else if (e instanceof ccxt.RequestTimeout) {
+            console.log ('[Request Timeout] ' + e.message);
+        } else if (e instanceof ccxt.AuthenticationError) {
+            console.log ('[Authentication Error] ' + e.message);
+        } else if (e instanceof ccxt.ExchangeNotAvailable) {
+            console.log ('[Exchange Not Available Error] ' + e.message);
+        } else if (e instanceof ccxt.ExchangeError) {
+            console.log ('[Exchange Error] ' + e.message);
+        } else if (e instanceof ccxt.NetworkError) {
+            console.log ('[Network Error] ' + e.message);
+        } else {
+            // you can throw it if you want to stop the execution
+            // console.log ('[Exception ' + e.constructor.name + '] ' + e.message);
+            throw e;
+        }
+    }
+}
+
+//  for demonstrational purposes, we use 1000 ms interval
+setInterval(checkOrders, 1000); 
+ 
+```