doc: add isBigIntObject to documentation

Refs: #19989 Fixes: #55446 PR-URL: #55450 Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Yagiz Nizipli <[email protected]> Reviewed-By: Antoine du Hamel <[email protected]>
nodejs · Nov 27, 2024 · 2030285 · 2030285
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commit 2030285
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diff --git a/doc/api/util.md b/doc/api/util.md
@@ -2375,6 +2375,24 @@ util.types.isBigInt64Array(new BigInt64Array());   // Returns true
 util.types.isBigInt64Array(new BigUint64Array());  // Returns false
 ```
 
+### `util.types.isBigIntObject(value)`
+
+<!-- YAML
+added: v10.4.0
+-->
+
+* `value` {any}
+* Returns: {boolean}
+
+Returns `true` if the value is a BigInt object, e.g. created
+by `Object(BigInt(123))`.
+
+```js
+util.types.isBigIntObject(Object(BigInt(123)));   // Returns true
+util.types.isBigIntObject(BigInt(123));   // Returns false
+util.types.isBigIntObject(123);  // Returns false
+```
+
 ### `util.types.isBigUint64Array(value)`
 
 <!-- YAML