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Node.js
Backend
Node.js
Server-side JavaScript runtime: event loop, async, streams and scaling.
30
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Junior
10
Middle
12
Senior
8
Node.js questions
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›
What is Node.js and what is it good for?
Junior
#Runtime
#Nodejs
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›
What is npm and what do package.json and the lockfile do?
Junior
#Tooling
#Nodejs
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›
What is the process object and what can it do?
Junior
#Runtime
#Nodejs
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›
How do you work with the file system in Node?
Junior
#Core
#Nodejs
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›
How do you create a basic HTTP server in Node?
Junior
#Core
#Nodejs
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›
What are Buffers in Node.js?
Junior
#Core
#Nodejs
Details →
›
Why use the path module instead of string concatenation?
Junior
#Core
#Nodejs
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›
What is the EventEmitter and how is it used?
Middle
#Events
#Nodejs
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›
How does Express middleware work?
Middle
#Framework
#Nodejs
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›
How do you run external processes with child_process?
Middle
#Process
#Nodejs
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›
How do you manage configuration and secrets in Node?
Middle
#Framework
#Nodejs
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›
What are npm scripts and lifecycle hooks?
Middle
#Tooling
#Nodejs
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›
How do you implement graceful shutdown?
Senior
#Reliability
#Nodejs
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›
How do you approach logging and monitoring in production Node?
Senior
#Reliability
#Nodejs
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