puppeteer/docs/api/puppeteer.frame.evaluate.md

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Frame.evaluate

Frame.evaluate() method

Signature:

class Frame {
  evaluate<
    Params extends unknown[],
    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
  >(
    pageFunction: Func | string,
    ...args: Params
  ): Promise<Awaited<ReturnType<Func>>>;
}

Parameters

Parameter	Type	Description
pageFunction	Func | string	a function that is run within the frame
args	Params	arguments to be passed to the pageFunction

Returns:

Promise<Awaited<ReturnType<Func>>>

Remarks

This method behaves identically to Page.evaluate() except it's run within the context of the frame, rather than the entire page.