Node.js · Theory

Difference between process.stdout.write and console.log in Node.js

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Difference between process.stdout.write and console.log in Node.js

Difference between process.stdout.write and console.log (in) is a Node.js topic. In plain words you use it for console.log marks in a script. Don’t start with a slogan — start with that picture.

Smallest example: console.log / error / table. Type it, run it, and say what you see. If you can do that from memory, you know Difference between process.stdout.write and console.log (in).

From the example next to this theory — Difference between process.

Trap — console.log in a hot loop in production. Fix that before you talk about advanced Node.js.

Viva: what is Difference between process.stdout.write and console.log (in)? Then show console.log / error / table. Then name the trap.

Exam tip

What is Difference between process.stdout.write and console.log (in)? Show this: console.log / error / table. Trap: console.log in a hot loop in production.

Example

// Difference between process.stdout.write and console.log in Node.js
const users = [
  { id: 1, name: "Asha" },
  { id: 2, name: "Ravi" },
];

function findUser(id) {
  return users.find((u) => u.id === id) ?? null;
}

console.log(findUser(2));
console.log(users.map((u) => u.name));

Difference between process.stdout.write and console.log in Node.js: find user 2, then list names. Say both prints.

Short notes

DefDifference between process.stdout.write and console.log (in) — console.log marks in a script.
Ruleconsole.log / error / table
Trapconsole.log in a hot loop in production
Usea script

// Difference between process.stdout.write and console.log in Node.js const users = [ { id: 1, name: "Asha" }, { id: 2, name: "Ravi" }, ]; function findUser(id) { return users.find((u) => u.id === id) ?? null; } console.log(findUser(2)); console.log(users.map((u) => u.name));

Difference between process.stdout.write and console.log in Node.js

Example

Short notes

Questions

Difference between process.stdout.write and console.log in Node.js

Example

Short notes

Questions