How we can use Event Emitter?

1. Import the module
   const eventEmitter = require(‘events’);
2. Create a class which extends eventEmitter
   class myCustomClass extends eventEmitter {};
3. Instantiate from this class
   const myObject = new myCustomClass();
4. Add event listener
   myObject.on(“myEventName”, myFunction)
5. Emit an event
   myObject.emit(“myEventName”);

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