puppeteer/website/versioned_docs/version-21.3.8/api/puppeteer.httpresponse.fromserviceworker.md

---
sidebar_label: HTTPResponse.fromServiceWorker
---

# HTTPResponse.fromServiceWorker() method

True if the response was served by a service worker.

#### Signature:

```typescript
class HTTPResponse {
  fromServiceWorker(): boolean;
}
```

**Returns:**

boolean