🟣 Express.js interview questions and answers to help you prepare for your next technical interview in 2025. - Devinterview-io/express-interview-questions

Bindings for node.js and io.js to ZeroMQ. It is a high-performance asynchronous messaging library, aimed at use in distributed or concurrent applications ... The only option is to automate the update / security audit of your dependencies. For that there are free and paid options: ... X-DNS-Prefetch-Control to disable browsers DNS prefetching. /** * Helmet */ const express = require('express') const helmet = require('helmet') const app = express() app.use(helmet())

Async functions can make use of the await expression. This will pause the async function and wait for the Promise to resolve prior to moving on. ... { console.time("loop"); for (var i = 0; i < 1000000; i += 1) { // Do nothing } console.timeEnd("loop"); } The time required to run this code in Google Chrome is considerably more than the time required to run it in Node.js Explain why this is so, even though both use the v8 JavaScript Engine.

Rapid Prototyping: Express, a minimalist web framework for Node.js, and NPM's wealth of modules expedite early application development and testing.

In Node.js, the spawn() is used to launch a new process with the provided set of commands. This method doesn’t create a new V8 instance and just one copy of the node module is active on the processor. When your child process returns a large amount of data to the Node you can invoke this method. ... Express.js is a framework built on top of Node.js that facilitates the management of the flow of data between server and routes in the server-side applications.

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September 19, 2025 - Here, we have compiled all Express.js interview questions and answers that will help you during an interview.

List types of Http requests supported by Node.js. ... Write the steps for setting up an Express JS application.

Differentiate between CommonJS (require) and ES Modules (import/export) in Node.js. What are the key differences in their usage, resolution, and when would you choose one over the other?

🟣 Express.js interview questions and answers to help you prepare for your next technical interview in 2024.

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What is a callback? Ans: A callback function is called after a given task. It allows other code to be run in the meantime and prevents any blocking. Being an asynchronous platform, Node.js heavily relies on callback.

Preparing for an Express.js interview can be daunting, but having a solid grasp of key concepts can make all the difference. In this article, we've compiled 90+ essential Express.js interview questions and answers to help you ace your next interview with confidence.

:octocat: A curated awesome list of lists of interview questions. Feel free to contribute! :mortar_board: - awesome-interview-questions/README.md at master · DopplerHQ/awesome-interview-questions

🟣 Express.js interview questions and answers to help you prepare for your next technical interview in 2025. - Activity · Devinterview-io/express-interview-questions

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To use JS instead of TypeScript rename src/index.ts to index.js

Most Asked Express.js Interview Questions and Answers with interview questions and answers, .net, php, database, hr, spring, hibernate, android, oracle, sql, asp.net, c#, python, c, c++ etc.

This course, targeted towards aspiring Node.js developers preparing for interviews, delves into essential Node.js concepts and provides a curated collection of real-world interview questions commonly encountered on platforms like GitHub. ... Prepare for Node.js interviews with this comprehensive course featuring the most frequently asked questions, covering core Node concepts, Express.js, MongoDB, and essential tools.

Whether you're a beginner or have significant experience with Express.js, our collection of questions and answers caters to all levels. These Express.js interview questions and answers have been compiled from multiple sources and experiences, providing you with a deep understanding of the subject.