puppeteer/docs/api/puppeteer.eventemitter.on.md

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EventEmitter.on

EventEmitter.on() method

Bind an event listener to fire when an event occurs.

Signature:

class EventEmitter {
  on(event: EventType, handler: Handler<any>): this;
}

Parameters

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

Returns:

this

this to enable you to chain method calls.