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My Node.js - First Interview Experience & Important Concepts!
- First Node.js interview experience highlighted the importance of understanding core concepts in backend development.
- Topics covered included function declaration versus expression, setTimeout() function, selecting DOM elements, async/await, callbacks, and Node.js basics.
- Node.js is a runtime environment for running JavaScript outside the browser, utilizing Google's V8 Engine for speed.
- Node.js is single-threaded due to its use of Event Loop and Non-blocking I/O.
- Cannot access DOM in Node.js as it runs on the server, not in the browser.
- Example of creating a simple HTTP server in Node.js illustrated.
- Distinction between synchronous and asynchronous functions was explained.
- Common HTTP methods like GET, POST, PUT, DELETE were mentioned.
- Explanation provided on 'this' keyword, undefined vs null, and == vs === comparisons in JavaScript.
- Understanding truthy and falsy values and global versus local scope were part of the discussion.
- The preference between startup and big companies was shared as per personal goals and preferences.
- Key takeaway emphasized the importance of strong JavaScript knowledge as the foundation for learning Node.js.
- Encouragement to practice daily for continuous learning and growth.
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