As you build more complex applications with Express.js, you will encounter scenarios where handling large amounts of data or performing heavy computations can slow down your server. To address these challenges, Express.js provides advanced features like Streams and Workers.

Understanding Streams in Express.js

A Stream is a data-handling method in Node.js that allows you to process data in chunks instead of loading everything into memory at once. This is useful for handling large files, video streaming, or transferring large amounts of data over HTTP.