puppeteer/docs/api/puppeteer.page.once.md

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Page.once

Page.once() method

Signature:

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

Parameters

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

Returns:

this