puppeteer/website/versioned_docs/version-19.2.2/api/puppeteer.page.once.md

sidebar_label
Page.once

Page.once() method

Signature:

class Page {
  once<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