puppeteer/new-docs/puppeteer.page.emulate.md

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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [emulate](./puppeteer.page.emulate.md)

## Page.emulate() method

<b>Signature:</b>

```typescript
emulate(options: {
        viewport: Viewport;
        userAgent: string;
    }): Promise<void>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  options | { viewport: Viewport; userAgent: string; } |  |

<b>Returns:</b>

Promise&lt;void&gt;