puppeteer/website/versioned_docs/version-15.4.1/api/puppeteer.eventemitter.on.md
release-please[bot] d734c14813
chore(main): release 15.4.1 (#8678)
* chore(main): release 15.4.1

* chore: generate versioned docs

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
2022-07-21 09:35:51 +02:00

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sidebar_label
EventEmitter.on

EventEmitter.on() method

Bind an event listener to fire when an event occurs.

Signature:

class EventEmitter {
  on(event: EventType, handler: Handler): EventEmitter;
}

Parameters

Parameter Type Description
event EventType the event type you'd like to listen to. Can be a string or symbol.
handler Handler the function to be called when the event occurs.

Returns:

EventEmitter

this to enable you to chain method calls.