puppeteer/website/versioned_docs/version-21.9.0/api/puppeteer.frame.isoopframe.md

---
sidebar_label: Frame.isOOPFrame
---

# Frame.isOOPFrame() method

Is `true` if the frame is an out-of-process (OOP) frame. Otherwise, `false`.

#### Signature:

```typescript
class Frame {
  abstract isOOPFrame(): boolean;
}
```

**Returns:**

boolean