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Version: 22.6.2

ElementHandle.$eval() method

Runs the given function on the first element matching the given selector in the current element.

If the given function returns a promise, then this method will wait till the promise resolves.

Signature:

class ElementHandle {
$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 this element's page's context. The first element matching the selector will be passed in as the first argument.

args

Params

Additional arguments to pass to pageFunction.

Returns:

Promise<Awaited<ReturnType<Func>>>

A promise to the result of the function.

Example

const tweetHandle = await page.$('.tweet');
expect(await tweetHandle.$eval('.like', node => node.innerText)).toBe('100');
expect(await tweetHandle.$eval('.retweets', node => node.innerText)).toBe('10');