puppeteer/docs/api/puppeteer.csscoverage.start.md

---
sidebar_label: CSSCoverage.start
---

# CSSCoverage.start() method

#### Signature:

```typescript
class CSSCoverage {
  start(options?: {resetOnNavigation?: boolean}): Promise<void>;
}
```

## Parameters

<table><thead><tr><th>

Parameter

</th><th>

Type

</th><th>

Description

</th></tr></thead>
<tbody><tr><td>

options

</td><td>

&#123; resetOnNavigation?: boolean; &#125;

</td><td>

_(Optional)_

</td></tr>
</tbody></table>
**Returns:**

Promise&lt;void&gt;