How Events Work in Node.js | EventEmitter in Node.js Explained

Node.js is built around an event-driven architecture And one of the core modules behind it is: EventEmitter. It allows different parts of your application to: ✔ Emit events ✔ Listen for events ✔ React asynchronously This is how Node.js handles: • Streams • HTTP requests My Notes : 1. EventEmitter is an inbuilt class provided by Nodejs. 2. To use class object we type : const emitter = new EventEmitter(); & user emitter object which holds methods and properties to use. 3. From them , we explore on and emit prototype. 4. Multiple events can be trigger by same emitter and same emitter can trigger multiple same event. Explore by example. 5. Know what is eventlistener & eventhandlers ------------ 5. Explore setMaxListeners(), once() --OPTIONAL