puppeteer/website/versioned_docs/version-21.3.8/api/puppeteer.csscoverage._constructor_.md

---
sidebar_label: CSSCoverage.(constructor)
---

# CSSCoverage.(constructor)

Constructs a new instance of the `CSSCoverage` class

#### Signature:

```typescript
class CSSCoverage {
  constructor(client: CDPSession);
}
```

## Parameters

| Parameter | Type                                    | Description |
| --------- | --------------------------------------- | ----------- |
| client    | [CDPSession](./puppeteer.cdpsession.md) |             |