[Home](./index.md) > [puppeteer](./puppeteer.md) > [Frame](./puppeteer.frame.md) > [evaluate](./puppeteer.frame.evaluate.md) ## Frame.evaluate() method Signature: ```typescript evaluate(pageFunction: Function | string, ...args: unknown[]): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | pageFunction | Function \| string | a function that is run within the frame | | args | unknown\[\] | arguments to be passed to the pageFunction | Returns: Promise<ReturnType> ## Remarks This method behaves identically to [Page.evaluate()](./puppeteer.page.evaluate.md) except it's run within the context of the `frame`, rather than the entire page.