[Home](./index.md) > [puppeteer](./puppeteer.md) > [Frame](./puppeteer.frame.md) > [waitForFunction](./puppeteer.frame.waitforfunction.md) ## Frame.waitForFunction() method Signature: ```typescript waitForFunction(pageFunction: Function | string, options?: { polling?: string | number; timeout?: number; }, ...args: unknown[]): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | pageFunction | Function \| string | | | options | { polling?: string \| number; timeout?: number; } | | | args | unknown\[\] | | Returns: Promise<[JSHandle](./puppeteer.jshandle.md)>