puppeteer/website/versioned_docs/version-19.5.0/api/puppeteer.coverage.startcsscoverage.md
2023-01-09 10:58:41 +01:00

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---
sidebar_label: Coverage.startCSSCoverage
---
# Coverage.startCSSCoverage() method
#### Signature:
```typescript
class Coverage {
startCSSCoverage(options?: CSSCoverageOptions): Promise<void>;
}
```
## Parameters
| Parameter | Type | Description |
| --------- | ------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------- |
| options | [CSSCoverageOptions](./puppeteer.csscoverageoptions.md) | <i>(Optional)</i> Set of configurable options for coverage, defaults to <code>resetOnNavigation : true</code> |
**Returns:**
Promise&lt;void&gt;
Promise that resolves when coverage is started.