puppeteer/website/versioned_docs/version-21.3.1/api/puppeteer.frame.focus.md
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---
sidebar_label: Frame.focus
---
# Frame.focus() method
Focuses the first element that matches the `selector`.
#### Signature:
```typescript
class Frame {
focus(selector: string): Promise<void>;
}
```
## Parameters
| Parameter | Type | Description |
| --------- | ------ | -------------------------- |
| selector | string | The selector to query for. |
**Returns:**
Promise&lt;void&gt;
## Exceptions
Throws if there's no element matching `selector`.