This list of Node.js interview questions will help you pass your next interview:
- What is Node.js?
- What is the difference between Node.js and JavaScript?
- Is Node.js single-threaded?
- What kind of API functions does Node.js support?
- What are modules in Node.js?
- What is npm? What are its advantages?
- What is middleware?
- Even though Node.js is single-threaded, how does it handle concurrency?
- What is the control flow of Node.js?
- What is the event loop in Node.js?
- What are the main disadvantages of Node.js?
- What is the REPL in Node.js?
- How to import modules in Node.js?
- What is the difference between Node.js and AJAX?
- What is package.json in Node.js?
- What is the most popular Node.js framework currently?
- What is Promise in Node.js?
- What is event-driven programming in Node.js?
- What is Buffer in Node.js?
- What are streams in Node.js?
- Explaining the crypto module in Node.js.
- What is callback hell?
- Explain the purpose of the timers module in Node.js.
- What is the difference between setImmediate() and process.nextTick() methods?
- What is the difference between setTimeout() and setImmediate() methods?
- What is the difference between spawn() and fork() methods?
- Explain the purpose of the passport module in Node.js.
- What is fork in Node.js?
- What are some ways to avoid callback hell?
- What is body-parser in Node.js?
- What is CORS in Node.js?
- Explaining the tls module in Node.js.
- What is a cluster in Node.js?
- How to manage sessions in Node.js?
- Explain the types of streams in Node.js.
- How to implement authentication and authorization in Node.js?
- Explanation of packages for file upload in Node.js.
- How to handle database connections in Node.js?
- How to read command line parameters in Node.js?
- What is a subprocess in Node.js?
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