# hasOwn

# Function: hasOwn()

```ts
function hasOwn(obj, key): boolean;
```

Defined in: [utils.ts:88](https://github.com/TanStack/table/blob/main/packages/table-core/src/utils.ts#L88)

Checks whether an object owns a key, including null-prototype dictionaries.

## Parameters

### obj

`object`

### key

`PropertyKey`

## Returns

`boolean`