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Node.js · Theory

Things You Must Know about Node.js

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Theory

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Things You Must Know about Node.js

Things You Must Know about Node.js is a Node.js topic. In plain words you use it for a short Things You Must Know about Node.js example in a script or API on localhost. Don’t start with a slogan — start with that picture.

Smallest example: the smallest Things You Must Know about Node.js example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Things You Must Know about Node.js.

From the example next to this theory — Things You Must Know about Node.

Trap: only saying “Things You Must Know about Node.js” with no example. Fix that before you talk about advanced Node.js.

Viva: what is Things You Must Know about Node.js? Then show the smallest Things You Must Know about Node.js example you can type. Then name the trap.

Exam tip

What is Things You Must Know about Node.js? Show this: the smallest Things You Must Know about Node.js example you can type. Trap: only saying “Things You Must Know about Node.js” with no example.

Example

// Things You Must Know about 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));

Things You Must Know about Node.js: find user 2, then list names. Say both prints.

Short notes

  • DefThings You Must Know about Node.js — a short Things You Must Know about Node.js example in a script or API on localhost.
  • Rulethe smallest Things You Must Know about Node.js example you can type
  • Traponly saying “Things You Must Know about Node.js” with no example
  • Usea script or API on localhost

Questions

1

What is Things You Must Know about Node.js?

2

Give one small example of Things You Must Know about Node.js.

3

What mistake do beginners make with Things You Must Know about Node.js?

4

Where do you use Things You Must Know about Node.js?

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