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How HTTP POST Requests Work in Node.js

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How HTTP POST Requests Work in Node.js

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Diagram

  request
      │
      ▼
  event loop
      │ I/O done
      ▼
  response

Exam tip

For How HTTP POST Requests Work (in node js): definition + a viva board + one failure.

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" }));

How HTTP POST Requests Work in Node.js — http.createServer handles each request with (req, res). Express sits on top of this.

Short notes

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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" }));

How HTTP POST Requests Work in Node.js

Example

Short notes

Questions

How HTTP POST Requests Work in Node.js

Example

Short notes

Questions