36 lines
965 B
Markdown
36 lines
965 B
Markdown
---
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sidebar_label: Page.on
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---
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# Page.on() method
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Listen to page events.
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:::note
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This method exists to define event typings and handle proper wireup of cooperative request interception. Actual event listening and dispatching is delegated to [EventEmitter](./puppeteer.eventemitter.md).
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:::
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**Signature:**
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```typescript
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class Page {
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on<K extends keyof PageEventObject>(
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eventName: K,
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handler: (event: PageEventObject[K]) => void
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): EventEmitter;
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}
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```
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## Parameters
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| Parameter | Type | Description |
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| --------- | -------------------------------------------------------------------------- | ----------- |
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| eventName | K | |
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| handler | (event: [PageEventObject](./puppeteer.pageeventobject.md)\[K\]) => void | |
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**Returns:**
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[EventEmitter](./puppeteer.eventemitter.md)
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