Job offersCompaniesTestsBlogI'm an employerSign upLog in
fr
fr
Home>IT Tests>Questions>NodeJS

89 interview questions on NodeJSfor developers (2024)

Test your technical skills before an interview of NodeJS with 89 corrected questions. Beginner, Intermediate or Expert level.

or
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
89
To review
0
89 questions
Expert
10 votes846 runs0 comment

How to define a global variable with Node.js?

Back-end developer
variables
node.js
Jean-marie Cléryat May 11, 2022
Medium
8 votes484 runs0 comment

What is the best practice to apply in your code to improve the performance of your application?

Back-end developer
performance
gzip
Vincent Cotroat Nov 15, 2023
Medium
6 votes843 runs0 comment

Parse a query string into an object in NodeJS

Back-end developer
javascript
node.js
Jean-marie Cléryat May 11, 2022
Easy
4 votes856 runs0 comment

How to start a NodeJS server

Back-end developer
node
server
Vincent Cotroat May 18, 2022
Medium
4 votes836 runs0 comment

Which of these 4 solutions for serving a very large file will be the most optimized in terms of _server resources_ and _loading speed for the client_?

Back-end developer
nodejs
file
server
Jean-marie Cléryat May 11, 2022
Hard
3 votes868 runs0 comment

A simple SocketIO chat server, coupled with Express.

Back-end developer
socket.io
websockets
Jean-marie Cléryat May 11, 2022
Hard
3 votes832 runs0 comment

Write a NodeJS server that returns a different message depending on the route.

Back-end developer
http
server
Jean-marie Cléryat May 11, 2022
Hard
2 votes918 runs0 comment

How to get the result of 3 asynchronous functions in NodeJS

Back-end developer
promises
async
javascript
Jean-marie Cléryat May 11, 2022
Medium
1 vote936 runs0 comment

Start a REPL session on Node.js

Back-end developer
repl
node
Léoat Mar 28, 2022
Easy
1 vote911 runs0 comment

What does npm mean?

Back-end developer
package manager
npm
Léoat Mar 28, 2022
Hard
1 vote899 runs0 comment

What does a dependency marked as `^4.2.x` in the `package.json` mean?

Back-end developer
dependencies
semver
Jean-marie Cléryat May 11, 2022
Easy
1 vote897 runs0 comment

What types of databases can a node.js application access?

Back-end developer
databases
node.js
Léoat Mar 28, 2022
Easy
1 vote896 runs0 comment

Which class is used to create custom events in Node.js?

Back-end developer
classes
events
Léoat Mar 28, 2022
Easy
1 vote891 runs0 comment

What is NPM?

Back-end developer
package manager
npm
Léoat Mar 28, 2022
Medium
1 vote885 runs0 comment

What will the `result` variable contain at the end of this code?

Back-end developer
promises
async/await
Jean-marie Cléryat May 11, 2022
Hard
1 vote877 runs0 comment

How to return an error and a result from an asynchronous function in NodeJS

Back-end developer
callback
error
Jean-marie Cléryat May 11, 2022
Hard
1 vote876 runs0 comment

Given a tree structure and Express middlewares, which file will be returned when calling the `tutorial.mp4` resource?

Back-end developer
express
static
Jean-marie Cléryat May 11, 2022
Medium
1 vote862 runs0 comment

Which of the following are Node templating engines?

Back-end developer
templating
Jean-marie Cléryat May 11, 2022
Hard
1 vote857 runs0 comment

Fix the following code:

Back-end developer
callback
this
Jean-marie Cléryat May 11, 2022
Easy
1 vote857 runs1 comment

What is the advantage of using mongoose over MongoDB.MongoClient to deal with a MongoDB database?

Back-end developer
mongoose
mongodb
models
Jean-marie Cléryat May 11, 2022
NodeJS tests