[Home](./index.md) > [puppeteer](./puppeteer.md) > [JSHandle](./puppeteer.jshandle.md) > [evaluate](./puppeteer.jshandle.evaluate.md)
## 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
evaluate(pageFunction: T | string, ...args: SerializableOrJSHandle[]): Promise>;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| pageFunction | T \| string | |
| args | [SerializableOrJSHandle](./puppeteer.serializableorjshandle.md)\[\] | |
Returns:
Promise<[EvaluateFnReturnType](./puppeteer.evaluatefnreturntype.md)<T>>
## Example
```js
const tweetHandle = await page.$('.tweet .retweets');
expect(await tweetHandle.evaluate(node => node.innerText)).toBe('10');
```