18 lines
909 B
Markdown
18 lines
909 B
Markdown
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<!-- Do not edit this file. It is automatically generated by API Documenter. -->
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[Home](./index.md) > [puppeteer](./puppeteer.md) > [FrameWaitForFunctionOptions](./puppeteer.framewaitforfunctionoptions.md) > [polling](./puppeteer.framewaitforfunctionoptions.polling.md)
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## FrameWaitForFunctionOptions.polling property
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An interval at which the `pageFunction` is executed, defaults to `raf`<!-- -->. If `polling` is a number, then it is treated as an interval in milliseconds at which the function would be executed. If `polling` is a string, then it can be one of the following values:
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- `raf` - to constantly execute `pageFunction` in `requestAnimationFrame` callback. This is the tightest polling mode which is suitable to observe styling changes.
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- `mutation` - to execute `pageFunction` on every DOM mutation.
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<b>Signature:</b>
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```typescript
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polling?: string | number;
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```
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