class EventEmitter
implements CommonEventEmitter
import { EventEmitter } from "https://deno.land/x/puppeteer@16.2.0/vendor/puppeteer-core/puppeteer/common/EventEmitter.d.ts";
The EventEmitter class that many Puppeteer classes extend.
Methods
on(event: EventType, handler: Handler): EventEmitter
Bind an event listener to fire when an event occurs.
once(event: EventType, handler: Handler): EventEmitter
Like on
but the listener will only be fired once and then it will be removed.
removeAllListeners(event?: EventType): EventEmitter
Removes all listeners. If given an event argument, it will remove only listeners for that event.