puppeteer/website/versioned_docs/version-19.8.5/api/puppeteer.frame._eval.md

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---
sidebar_label: Frame.$eval
---
# Frame.$eval() method
Runs the given function on the first element matching the given selector in the frame.
If the given function returns a promise, then this method will wait till the promise resolves.
2022-10-24 14:31:12 +00:00
#### Signature:
```typescript
class Frame {
$eval<
Selector extends string,
Params extends unknown[],
Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
NodeFor<Selector>,
Params
>
>(
selector: Selector,
pageFunction: Func | string,
...args: Params
): Promise<Awaited<ReturnType<Func>>>;
}
```
## Parameters
| Parameter | Type | Description |
| ------------ | -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------- |
| selector | Selector | The selector to query for. |
| pageFunction | Func \| string | The function to be evaluated in the frame's context. The first element matching the selector will be passed to the function as its first argument. |
| args | Params | Additional arguments to pass to <code>pageFunction</code>. |
**Returns:**
Promise&lt;Awaited&lt;ReturnType&lt;Func&gt;&gt;&gt;
A promise to the result of the function.
## Example
```ts
const searchValue = await frame.$eval('#search', el => el.value);
```