Node.js Interview Review

Lesson content

Description Review the runtime, asynchronous execution, APIs, security, testing, and architecture. Explanation A strong Node.js interview answer should connect the JavaScript runtime to an engineering decision. Review the event loop, libuv, streams, process isolation, HTTP semantics, authentication, testing, observability, and scaling. For each topic, explain the concept, give a small example, name a tradeoff, and describe one production failure it prevents. Code // The original source file was empty. // Add a focused Node.js Interview Review example here. Tip Run the Node.js Interview Review example in a small isolated project, observe its output, then explain why it behaves that way. Key takeaway Review the runtime, asynchronous execution, APIs, security, testing, and architecture.