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In the second part of this Node.js tutorial series, the focus shifts to ECMAScript, the standardized scripting language specification that serves as the foundation for JavaScript. This tutorial explores how ECMAScript versions (such as ES6 and beyond) enhance JavaScript with modern features like arrow functions, classes, modules, and promises. Node.js, being built on top of V8, supports these ECMAScript features, allowing developers to write cleaner and more efficient code. The tutorial covers practical examples demonstrating how these features can be utilized in Node.js applications to improve readability, maintainability, and performance. By delving into ECMAScript compatibility and best practices within the Node.js ecosystem, viewers gain insights into leveraging modern JavaScript capabilities for server-side development effectively.