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88 interview questions on NodeJSfor developers (2025)

Test your technical skills before an interview of NodeJS with 88 corrected questions. Beginner, Intermediate or Expert level.

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88 questions
Expert
10 votes901 runs0 comment

How to define a global variable with Node.js?

Back-end developer
variables
node.js
Jean-marie Cléryat May 11, 2022
Medium
6 votes897 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 votes997 runs0 comment
Easy
3 votes1022 runs0 comment
Hard
3 votes975 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
Hard
3 votes922 runs0 comment

A simple SocketIO chat server, coupled with Express.

Back-end developer
socket.io
websockets
Jean-marie Cléryat May 11, 2022
Hard
3 votes888 runs0 comment
Easy
2 votes1091 runs0 comment
Easy
2 votes1025 runs0 comment
Medium
2 votes905 runs0 comment
Medium
1 vote1083 runs0 comment
Easy
1 vote1051 runs0 comment

What does npm mean?

Back-end developer
package manager
npm
Léoat Mar 28, 2022
Easy
1 vote1043 runs0 comment
Easy
1 vote1019 runs0 comment

What is NPM?

Back-end developer
package manager
npm
Léoat Mar 28, 2022
Hard
1 vote949 runs0 comment
Medium
1 vote932 runs0 comment