2022-07-05 13:41:43 +00:00
---
sidebar_label: JSHandle.evaluate
---
# JSHandle.evaluate() method
This method passes this handle as the first argument to `pageFunction` . If `pageFunction` returns a Promise, then `handle.evaluate` would wait for the promise to resolve and return its value.
**Signature:**
```typescript
class JSHandle {
evaluate<
Params extends unknown[],
Func extends EvaluateFunc< [this, ...Params]> = EvaluateFunc<
[this, ...Params]
>
>(
pageFunction: Func | string,
...args: Params
): Promise< Awaited < ReturnType < Func > >>;
}
```
## Parameters
| Parameter | Type | Description |
| ------------ | -------------- | ----------- |
| pageFunction | Func \| string | |
| args | Params | |
**Returns:**
Promise< Awaited< ReturnType< Func> > >
## Example
```ts
const tweetHandle = await page.$('.tweet .retweets');
expect(await tweetHandle.evaluate(node => node.innerText)).toBe('10');
```
