251. Which Node.js tool is commonly used for enforcing and automatically formatting code according to a specific coding style?
252. In Node.js development, what is the recommended naming convention for variables and functions?
Answer:CamelCase (e.g., myVariable)
253. What is the purpose of using comments in Node.js code?
Answer:To explain the code's functionality, logic, and usage
254. What is "callback hell" in the context of Node.js development, and how can it be mitigated?
Answer:A coding style that involves nested callbacks, making the code hard to read and maintain
255. Which Node.js module is commonly used for handling asynchronous operations and avoiding callback hell?
256. When should error handling be implemented in Node.js code?
Answer:Error handling should be implemented for all possible error scenarios to ensure robustness.
257. What is the purpose of "promises" in Node.js development, and how do they differ from callbacks?
Answer:Promises are a way to handle asynchronous operations in a more readable and structured manner compared to callbacks.
258. Which HTTP status code should be returned when a requested resource is not found in a Node.js web application?
Answer:404 Not Found
259. In Node.js, what is the purpose of the "try...catch" statement in error handling?
Answer:To catch and handle exceptions or errors that occur within a block of code
Node Js Interview Questions With Answers Node Js MCQ Node Js Multiple Choice Questions Node Js MCQ Questions And Answers