puppeteer/website/versioned_docs/version-22.10.0/api/puppeteer.commoneventemitter.md
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---
sidebar_label: CommonEventEmitter
---
# CommonEventEmitter interface
#### Signature:
```typescript
export interface CommonEventEmitter<Events extends Record<EventType, unknown>>
```
## Methods
<table><thead><tr><th>
Method
</th><th>
Description
</th></tr></thead>
<tbody><tr><td>
<span id="emit">[emit(type, event)](./puppeteer.commoneventemitter.emit.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="listenercount">[listenerCount(event)](./puppeteer.commoneventemitter.listenercount.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="off">[off(type, handler)](./puppeteer.commoneventemitter.off.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="on">[on(type, handler)](./puppeteer.commoneventemitter.on.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="once">[once(type, handler)](./puppeteer.commoneventemitter.once.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="removealllisteners">[removeAllListeners(event)](./puppeteer.commoneventemitter.removealllisteners.md)</span>
</td><td>
</td></tr>
</tbody></table>