## intersection() function

List the keys that shared by all `objects`.

The semantics of what constitutes a "key" is described in [subtract()](/content/docs/sdk/core.subtract).

**Signature:**

```typescript
export declare function intersection(objects: ArrayLike<{  
    [index: string]: any;  
}>): string[];
```

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| objects | ArrayLike<{ \[index: string\]: any; }> | Array of objects to compare |

**Returns:**

string[]

Array of keys that are in ("own-properties" of) every object in `objects`.