Node JS

July, 2024

• 25 July

  Coding interview questions related to Node.js and Express.js, along with their answers

  1. What is the purpose of app.use() in Express.js? Answer: In Express.js, app.use() is a method used to add middleware to your application. Middleware functions are functions that have access to the request object (req), the response object (res), and the next middleware function in the application’s request-response cycle. They …

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• 12 July

  Interview questions and their answers regarding Node.js and Express.js:

  Node.js What is Node.js? Node.js is a JavaScript runtime built on Chrome’s V8 JavaScript engine, designed to build scalable network applications. How does Node.js work? Node.js operates on a single-threaded event loop architecture that uses non-blocking I/O operations to handle multiple connections concurrently. What are the key features of Node.js? …

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February, 2024

• 16 February

  What is Node.js, and what are its main features?

  Sample Answer: Node.js is an open-source, server-side JavaScript runtime built on Chrome’s V8 JavaScript engine. It allows developers to build scalable, high-performance network applications using JavaScript, a language traditionally associated with client-side scripting in web browsers. Main Features of Node.js: Non-blocking I/O Model: Node.js is built on an event-driven, non-blocking …

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