Node JS

July, 2024

• 25 July

  Some coding Interview question answer of NodeJS and Express.js

  1. Node.js Code a) Display Hostname and Platform Details Create a file named `systemInfo.js`: “`javascript // systemInfo.js const os = require(‘os’); console.log(‘Hostname:’, os.hostname()); console.log(‘Platform:’, os.platform()); “` Run the script using: “`bash node systemInfo.js “` b) Display Text in Colors First, install the `colors` module: “`bash npm install colors “` Create …

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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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