promiseHooks.onSettled(settled) in Node.js — Node.js Technical Interview Questions & Answers

promiseHooks.onSettled(settled) in Node.js

promiseHooks.onSettled(settled) in Node.js

  • promiseHooks.onSettled(settled) (in node js) is a Node.js topic. In plain words you use it for fetch a user then marks in an API handler. Don’t start with a slogan — start with that picture.
  • Smallest example: async function + try/catch. Type it, run it, and say what you see. If you can do that from memory, you know promiseHooks.onSettled(settled) (in node js).
  • From the example next to this theory: promiseHooks.
  • Trap: unhandled rejection. Fix that before you talk about advanced Node.js.
  • Viva: what is promiseHooks.onSettled(settled) (in node js)? Then show async function + try/catch. Then name the trap.

Technical Interview Tip: What is promiseHooks.onSettled(settled) (in node js)? Show this: async function + try/catch. Trap: unhandled rejection.

Code Examples for promiseHooks.onSettled(settled) in Node.js

promiseHooks.onSettled(settled) in Node.js — working example

// promiseHooks.onSettled(settled) 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));

promiseHooks.onSettled(settled) in Node.js: find user 2, then list names. Say both prints.

How to Explain promiseHooks.onSettled(settled) in Node.js to an Interviewer

What is promiseHooks.onSettled(settled) (in node js)?

Used for fetch a user then marks an API handler Not just the heading

Give one small example of promiseHooks.onSettled(settled) (in node js).

async function + try/catch promiseHooks

What mistake do beginners make with promiseHooks.onSettled(settled) (in node js)?

unhandled rejection Show the fix

Where do you use promiseHooks.onSettled(settled) (in node js)?

an API handler fetch a user then marks