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Difference between console.log() and debugger in Node.js

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Difference between console.log() and debugger in Node.js

Difference between console.log() and debugger (in node js) 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 console.log() and debugger (in node js).

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

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

Viva: what is Difference between console.log() and debugger (in node js)? Then show console.log / error / table. Then name the trap.

Exam tip

What is Difference between console.log() and debugger (in node js)? Show this: console.log / error / table. Trap: console.log in a hot loop in production.

Example

// Difference between console.log() and debugger 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 console.log() and debugger in Node.js: find user 2, then list names. Say both prints.

Short notes

DefDifference between console.log() and debugger (in node js) — console.log marks in a script.
Ruleconsole.log / error / table
Trapconsole.log in a hot loop in production
Usea script

// Difference between console.log() and debugger 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 console.log() and debugger in Node.js

Example

Short notes

Questions

Difference between console.log() and debugger in Node.js

Example

Short notes

Questions