puppeteer/new-docs/puppeteer.page.waitforfunction.md

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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [waitForFunction](./puppeteer.page.waitforfunction.md)

## Page.waitForFunction() method

<b>Signature:</b>

```typescript
waitForFunction(pageFunction: Function | string, options?: {
        timeout?: number;
        polling?: string | number;
    }, ...args: unknown[]): Promise<JSHandle>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  pageFunction | Function \| string |  |
|  options | { timeout?: number; polling?: string \| number; } |  |
|  args | unknown\[\] |  |

<b>Returns:</b>

Promise&lt;[JSHandle](./puppeteer.jshandle.md)<!-- -->&gt;