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What is EventEmitter in Node.js?

EventEmitter is a Node.js class that allows objects to emit and listen for custom events. It follows the observer pattern and is commonly used in streams, servers, and asynchronous workflows. Developers can create custom events using emit() and listen using on().

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Jeevan Bhargav

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This answer is calibrated for technical interviews. Verify benchmarks in local sandboxes before deploying.