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docs/ccxt/wiki/examples/js/compare-two-exchanges-capabilities.md

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+- [Compare Two Exchanges Capabilities](./examples/js/)
+
+
+ ```javascript
+ import ccxt from '../../js/ccxt.js';
+// AUTO-TRANSPILE //
+async function example() {
+    const prefix = '-';
+    const exchange_1 = new ccxt.okx();
+    const exchange_2 = new ccxt.htx();
+    const keys_1 = Object.keys(exchange_1.has);
+    const keys_2 = Object.keys(exchange_2.has);
+    // check missing from exchange-1
+    console.log('### checking missing functionalities from exchange-1:', exchange_1.id);
+    for (let i = 0; i < keys_2.length; i++) {
+        const key = keys_2[i];
+        if (exchange_2.has[key]) {
+            if (!keys_1.includes(key)) {
+                console.log(prefix, key, 'does not exist in', exchange_1.id, 'as opposed to', exchange_2.id);
+            }
+            else if (exchange_2.has[key] !== exchange_1.has[key]) {
+                console.log(prefix, key, '> ', exchange_1.id, ':', exchange_1.has[key], ',', exchange_2.id, ':', exchange_2.has[key]);
+            }
+        }
+    }
+    // check missing from exchange-2
+    console.log('### checking missing functionalities from exchange-2:', exchange_2.id);
+    for (let i = 0; i < keys_1.length; i++) {
+        const key = keys_1[i];
+        if (exchange_1.has[key]) {
+            if (!keys_2.includes(key)) {
+                console.log(prefix, key, 'does not exist in', exchange_2.id, 'as opposed to', exchange_1.id);
+            }
+            else if (exchange_1.has[key] !== exchange_2.has[key]) {
+                console.log(prefix, key, '> ', exchange_2.id, ':', exchange_2.has[key], ',', exchange_1.id, ':', exchange_1.has[key]);
+            }
+        }
+    }
+}
+await example();
+ 
+```