method EventEmitter.prototype.addListenerDeprecatedDeprecatedplease use {@link EventEmitter.on} instead. import { EventEmitter } from "https://dotland.deno.dev/x/puppeteer@16.2.0/mod.ts"; addListener(event: EventType, handler: Handler): EventEmitterAdd an event listener. Add an event listener. Parametersevent: EventTypehandler: HandlerReturnsEventEmitter