Creating Custom Node.js Modules — Node.js Technical Interview Questions & Answers

Creating Custom Node.js Modules

Creating Custom Node.js Modules

  • Creating Custom Node.js Modules is a Node.js topic. In plain words you use it for install express in a new folder. Don’t start with a slogan — start with that picture.
  • Smallest example: npm init + npm i express. Type it, run it, and say what you see. If you can do that from memory, you know Creating Custom Node.js Modules.
  • From the example next to this theory: Creating Custom Node.
  • Trap: deleting package-lock blindly. Fix that before you talk about advanced Node.js.
  • Viva: what is Creating Custom Node.js Modules? Then show npm init + npm i express. Then name the trap.

Technical Interview Tip: What is Creating Custom Node.js Modules? Show this: npm init + npm i express. Trap: deleting package-lock blindly.

Code Examples for Creating Custom Node.js Modules

Creating Custom Node.js Modules — working example

// Creating Custom Node.js Modules
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));

Creating Custom Node.js Modules: find user 2, then list names. Say both prints.

How to Explain Creating Custom Node.js Modules to an Interviewer

What is Creating Custom Node.js Modules?

Used for install express a new folder Not just the heading

Give one small example of Creating Custom Node.js Modules.

npm init + npm i express Creating Custom Node

What mistake do beginners make with Creating Custom Node.js Modules?

deleting package-lock blindly Show the fix

Where do you use Creating Custom Node.js Modules?

a new folder install express