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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Target](./puppeteer.target.md) &gt; [worker](./puppeteer.target.worker.md)

## Target.worker() method

If the target is not of type `"service_worker"` or `"shared_worker"`<!-- -->, returns `null`<!-- -->.

<b>Signature:</b>

```typescript
worker(): Promise<WebWorker | null>;
```
<b>Returns:</b>

Promise&lt;[WebWorker](./puppeteer.webworker.md) \| null&gt;

