puppeteer/website/versioned_docs/version-18.2.1/api/puppeteer.page.on.md

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Page.on

Page.on() method

Listen to page events.

:::note

This method exists to define event typings and handle proper wireup of cooperative request interception. Actual event listening and dispatching is delegated to EventEmitter.

:::

Signature:

class Page {
  on<K extends keyof PageEventObject>(
    eventName: K,
    handler: (event: PageEventObject[K]) => void
  ): EventEmitter;
}

Parameters

Parameter	Type	Description
eventName	K
handler	(event: PageEventObject[K]) => void

Returns:

EventEmitter