151. What is the primary purpose of error handling in Node.js applications?
Answer:To gracefully handle unexpected errors and prevent application crashes
152. In Node.js, how can you catch and handle errors that occur during the execution of synchronous code?
Answer:By using the try...catch statement
153. What is the purpose of the Error object in Node.js error handling?
Answer:To represent a caught exception or error, providing information such as the error message and stack trace
154. In Node.js, what is the role of the process.on('uncaughtException') event handler for error handling?
Answer:To handle uncaught exceptions and prevent the application from exiting abruptly
155. Which Node.js module is commonly used for logging and error management in applications?
156. What is the primary purpose of testing in Node.js development?
Answer:To identify and fix bugs and errors in the application code
157. Which testing framework is commonly used for unit testing in Node.js?
158. In Node.js unit testing, what is a test suite?
Answer:A group of related test cases that are executed together
159. What is the purpose of a test runner in Node.js unit testing?
Answer:To execute test cases and provide the test results
160. What does "TDD" stand for in the context of Node.js testing?
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