This method fetches an element with `selector`, scrolls it into view if needed, and then uses [Page.mouse](./puppeteer.page.mouse.md) to hover over the center of the element.
**Signature:**
```typescript
class Frame {hover(selector: string): Promise<void>;}
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| selector | string | the selector for the element to hover. If there are multiple elements, the first will be hovered. |
**Returns:**
Promise<void>
## Remarks
If there's no element matching `selector`, the method throws an