2022-07-05 13:41:43 +00:00
|
|
|
---
|
|
|
|
sidebar_label: EventEmitter.addListener
|
|
|
|
---
|
|
|
|
|
|
|
|
# EventEmitter.addListener() method
|
|
|
|
|
|
|
|
> Warning: This API is now obsolete.
|
|
|
|
>
|
|
|
|
> please use [EventEmitter.on()](./puppeteer.eventemitter.on.md) instead.
|
|
|
|
|
|
|
|
Add an event listener.
|
|
|
|
|
2022-10-24 07:07:05 +00:00
|
|
|
#### Signature:
|
2022-07-05 13:41:43 +00:00
|
|
|
|
|
|
|
```typescript
|
|
|
|
class EventEmitter {
|
|
|
|
addListener(event: EventType, handler: Handler): EventEmitter;
|
|
|
|
}
|
|
|
|
```
|
|
|
|
|
|
|
|
## Parameters
|
|
|
|
|
|
|
|
| Parameter | Type | Description |
|
|
|
|
| --------- | ------------------------------------- | ----------- |
|
|
|
|
| event | [EventType](./puppeteer.eventtype.md) | |
|
|
|
|
| handler | [Handler](./puppeteer.handler.md) | |
|
|
|
|
|
|
|
|
**Returns:**
|
|
|
|
|
|
|
|
[EventEmitter](./puppeteer.eventemitter.md)
|