Node Js Interview Question and Answers

Node.js is an open-source, cross-platform, server-side runtime environment built on Chrome's V8 JavaScript engine. It allows developers to use JavaScript on the server-side to build scalable and high-performance applications. Node.js provides an event-driven architecture and a non-blocking I/O model, making it well-suited for building real-time, data-intensive, and high-traffic applications.

Node.js can be used to build various types of applications, such as web applications, command-line tools, and desktop applications. It has a large and active community of developers who have created a vast number of modules and packages that can be easily integrated into Node.js applications.

Some of the key features of Node.js include:

• Fast and efficient performance due to its non-blocking I/O model.
• Event-driven architecture that allows developers to write scalable and high-performance applications.
• Easy to learn and use, especially for developers who are already familiar with JavaScript.
• Cross-platform compatibility that allows developers to build applications that can run on different operating systems.

Overall, Node.js is a popular and powerful tool for building server-side applications that require scalability and high performance.