puppeteer/docs/api/puppeteer.eventemitter.listenercount.md

---
sidebar_label: EventEmitter.listenerCount
---
# EventEmitter.listenerCount() method

Gets the number of listeners for a given event.

**Signature:**

```typescript
class EventEmitter {listenerCount(event: EventType): number;}
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  event | [EventType](./puppeteer.eventtype.md) | the event to get the listener count for |

**Returns:**

number

the number of listeners bound to the given event