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