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Node.jsNode.js & Express Interview GuideCareerKit
- TopicNode.js
- LevelIntermediate
- Length132 pages
- Inside100 questions
- FormatPDF
Node.js & Express Interview Guide
Backend questions on Node internals, Express, REST APIs, authentication and databases.
What's inside
- How Node.js works: event loop and libuv
- Modules, npm and streams
- Express routing and middleware
- REST API design
- Authentication with JWT
- Error handling and security
Sample from the ebook
What is middleware in Express?
A function that runs between the request and the response. It can read or change the request, end the response, or pass control on with next().
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Free sample questions
Read 12 full answers from this ebook for free, and see all 100 questions it covers.
- What is Node.js, and why is it used for backends?
- Is Node.js single-threaded?
- How does require() find and load a module?
- What is the difference between module.exports and exports?