puppeteer/new-docs/puppeteer.framemanager._ensureisolatedworld.md

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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [FrameManager](./puppeteer.framemanager.md) &gt; [\_ensureIsolatedWorld](./puppeteer.framemanager._ensureisolatedworld.md)

## FrameManager.\_ensureIsolatedWorld() method

<b>Signature:</b>

```typescript
_ensureIsolatedWorld(name: string): Promise<void>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  name | string |  |

<b>Returns:</b>

Promise&lt;void&gt;