puppeteer/website/versioned_docs/version-19.1.0/api/puppeteer.frame.isoopframe.md

---
sidebar_label: Frame.isOOPFrame
---

# Frame.isOOPFrame() method

**Signature:**

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

**Returns:**

boolean

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