Node.js · Theory

dns.resolveCname() Method

Theory

150/723

dns.resolveCname() Method

dns.resolveCname() Method sits in a viva board. Riya’s job is Riya walking through dns.resolveCname Method. Write that first.

Do dns.resolveCname() Method once by hand. one dns.resolveCname Method step Riya can write from memory. Change one input. Say the new result out loud.

Without dns.resolveCname() Method, a viva board gets messy and Riya walking through dns.resolveCname Method is hard to trust.

dns.resolveCname() Method shows up in a viva board. Name Riya walking through dns.resolveCname Method, not “a real-world scenario”.

dns.resolveCname() Method miss: only reciting the name of dns.resolveCname Method. Fix it before you talk about advanced Node.js.

After dns.resolveCname() Method, Riya should still remember only reciting the name of dns.resolveCname Method.

One breath for dns.resolveCname() Method, then Riya walking through dns.resolveCname Method, then only reciting the name of dns.resolveCname Method. Sit down.

Exam tip

Say dns.resolveCname() Method in one breath, then one dns.resolveCname Method step Riya can write from memory, then only reciting the name of dns.resolveCname Method.

Example

// dns.resolveCname() Method
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));

dns.resolveCname() Method: find user 2, then list names. Say both prints.

Short notes

Defdns.resolveCname() Method — Riya uses it for Riya walking through dns.resolveCname Method in a viva board.
Ruledns.resolveCname() Method → one dns.resolveCname Method step Riya can write from memory.
Rememberdns.resolveCname() Method + an Express route (a viva board).
Usedns.resolveCname() Method in a viva board (Riya walking through dns.resolveCname Method).
Trapdns.resolveCname() Method — only reciting the name of dns.resolveCname Method.
Exdns.resolveCname() Method → Riya walking through dns.resolveCname Method.

// dns.resolveCname() Method 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));

dns.resolveCname() Method

Example

Short notes

Questions

dns.resolveCname() Method

Example

Short notes

Questions