31 lines
695 B
Markdown
31 lines
695 B
Markdown
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<!-- Do not edit this file. It is automatically generated by API Documenter. -->
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[Home](./index.md) > [puppeteer](./puppeteer.md) > [EventEmitter](./puppeteer.eventemitter.md) > [addListener](./puppeteer.eventemitter.addlistener.md)
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## EventEmitter.addListener() method
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> Warning: This API is now obsolete.
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>
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> please use `on` instead.
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>
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Add an event listener.
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<b>Signature:</b>
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```typescript
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addListener(event: EventType, handler: Handler): EventEmitter;
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```
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## Parameters
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| Parameter | Type | Description |
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| --- | --- | --- |
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| event | EventType | |
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| handler | Handler | |
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<b>Returns:</b>
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[EventEmitter](./puppeteer.eventemitter.md)
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