server.listen() Method — Node.js Technical Interview Questions & Answers

server.listen() Method

server.listen() Method

  • server.listen() Method is a Node.js topic. In plain words you use it for a short server.listen Method example in a script or API on localhost. Don’t start with a slogan — start with that picture.
  • Smallest example: the smallest server.listen Method example you can type. Type it, run it, and say what you see. If you can do that from memory, you know server.listen() Method.
  • From the example next to this theory: server.listen() Method — http.createServer handles each request with (req, res). Express sits on top of this..
  • Trap: only saying “server.listen Method” with no example. Fix that before you talk about advanced Node.js.
  • Viva: what is server.listen() Method? Then show the smallest server.listen Method example you can type. Then name the trap.

Technical Interview Tip: What is server.listen() Method? Show this: the smallest server.listen Method example you can type. Trap: only saying “server.listen Method” with no example.

Code Examples for server.listen() Method

server.listen() Method — working example

const http = require("http");

const server = http.createServer((req, res) => {
  res.writeHead(200, { "Content-Type": "application/json" });
  res.end(JSON.stringify({ ok: true, path: req.url }));
});

// server.listen(3000);
console.log("handler ready for", "/api/health");
console.log(JSON.stringify({ ok: true, path: "/api/health" }));

server.listen() Method — http.createServer handles each request with (req, res). Express sits on top of this.

How to Explain server.listen() Method to an Interviewer

What is server.listen() Method?

Used for a short server.listen Method example a script or API on localhost Not just the heading

Give one small example of server.listen() Method.

the smallest server.listen Method example you can type server.listen() Method — http.createServer handles each request with (req, res). Express sits on top of this.

What mistake do beginners make with server.listen() Method?

only saying “server.listen Method” with no example Show the fix

Where do you use server.listen() Method?

a script or API on localhost a short server.listen Method example