[Home](./index.md) > [puppeteer](./puppeteer.md) > [Page](./puppeteer.page.md) > [$eval](./puppeteer.page._eval.md) ## Page.$eval() method Signature: ```typescript $eval(selector: string, pageFunction: Function | string, ...args: unknown[]): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | selector | string | | | pageFunction | Function \| string | | | args | unknown\[\] | | Returns: Promise<ReturnType>