Node.js · Theory

What are Request and Cheerio in Node.js NPM

Theory

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What are Request and Cheerio in Node.js NPM

If you can teach What are Request and Cheerio in Node.js NPM using install express, you know it. If you only know the heading, you don’t.

Do What are Request and Cheerio in Node.js NPM once by hand. npm init + npm i express. Change one input. Say the new result out loud.

Skip What are Request and Cheerio in Node.js NPM and deleting package-lock blindly shows up in a new folder.

What are Request and Cheerio in Node.js NPM shows up in a new folder. Name install express, not “a real-world scenario”.

What are Request and Cheerio in Node.js NPM miss: deleting package-lock blindly. Fix it before you talk about advanced Node.js.

Place What are Request and Cheerio in Node.js NPM next to nearby Node.js work — npm init + npm i express is the link.

Viva for What are Request and Cheerio in Node.js NPM: what it is → npm init + npm i express → the mistake (deleting package-lock blindly).

Exam tip

Say What are Request and Cheerio in Node.js NPM in one breath, then npm init + npm i express, then deleting package-lock blindly.

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" }));

What are Request and Cheerio in Node.js NPM — http.createServer handles each request with (req, res). Express sits on top of this.

Short notes

DefWhat are Request and Cheerio in Node.js NPM — Sara uses it for install express in a new folder.
RuleWhat are Request and Cheerio in Node.js NPM → npm init + npm i express.
RememberWhat are Request and Cheerio in Node.js NPM + npm (a new folder).
UseWhat are Request and Cheerio in Node.js NPM in a new folder (install express).
TrapWhat are Request and Cheerio in Node.js NPM — deleting package-lock blindly.
ExWhat are Request and Cheerio in Node.js NPM → install express.

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" }));

What are Request and Cheerio in Node.js NPM

Example

Short notes

Questions

What are Request and Cheerio in Node.js NPM

Example

Short notes

Questions