Node.js · Theory

urlObject.port API Property

Theory

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urlObject.port API Property

urlObject.port API Property is a Node.js topic. In plain words you use it for a short urlObject.port API Property example in a script or API on localhost. Don’t start with a slogan — start with that picture.

Smallest example: the smallest urlObject.port API Property example you can type. Type it, run it, and say what you see. If you can do that from memory, you know urlObject.port API Property.

From the example next to this theory — urlObject.

Trap — only saying “urlObject.port API Property” with no example. Fix that before you talk about advanced Node.js.

Viva: what is urlObject.port API Property? Then show the smallest urlObject.port API Property example you can type. Then name the trap.

Exam tip

What is urlObject.port API Property? Show this: the smallest urlObject.port API Property example you can type. Trap: only saying “urlObject.port API Property” with no example.

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" }));

urlObject.port API Property — http.createServer handles each request with (req, res). Express sits on top of this.

Short notes

DefurlObject.port API Property — a short urlObject.port API Property example in a script or API on localhost.
Rulethe smallest urlObject.port API Property example you can type
Traponly saying “urlObject.port API Property” with no example
Usea script or API on localhost

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" }));

urlObject.port API Property

Example

Short notes

Questions

urlObject.port API Property

Example

Short notes

Questions