---
sidebar_label: JSCoverage.(constructor)
---
# JSCoverage.(constructor)

Constructs a new instance of the `JSCoverage` class

**Signature:**

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

## Parameters

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