171. What is the purpose of the console.log() statement in debugging Node.js code?
Answer:To display output messages in the console for inspection
172. In Visual Studio Code, what extension is commonly used for debugging Node.js applications?
173. What is "watch mode" in debugging tools like nodemon or ts-node-dev for Node.js?
Answer:A mode for monitoring code changes and automatically restarting the application during development
174. What is the purpose of profiling in Node.js debugging tools?
Answer:To analyze the performance of code and identify bottlenecks
175. Which tool is commonly used for memory profiling in Node.js applications?
Answer:Chrome Developer Tools
176. What is one of the key benefits of using asynchronous, non-blocking I/O in Node.js for performance optimization?
Answer:Lower memory usage
177. In Node.js, what is the purpose of the Event Loop in terms of performance optimization?
Answer:To efficiently manage I/O operations and callbacks
178. What is the term for an external module in Node.js that can be used to cluster multiple Node.js processes for better performance and concurrency?
179. In the context of Node.js performance, what is "caching"?
Answer:Storing frequently accessed data in memory to reduce redundant computations and speed up responses
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