Node.js · Theory

console.assert() Method

Theory

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console.assert() Method

console.assert() Method sits in a first job task. Dev’s job is Dev walking through console.assert Method. Write that first.

Do console.assert() Method once by hand. one console.assert Method step Dev can write from memory. Change one input. Say the new result out loud.

console.assert() Method exists so Dev can keep Dev walking through console.assert Method correct in a first job task.

Dev ships console.assert() Method in a first job task. That is the use case worth saying.

If Dev walking through console.assert Method breaks under console.assert() Method, check only reciting the name of console.assert Method first.

After console.assert() Method, Dev should still remember only reciting the name of console.assert Method.

One breath for console.assert() Method, then Dev walking through console.assert Method, then only reciting the name of console.assert Method. Sit down.

Exam tip

Board: Dev walking through console.assert Method. Dry-run console.assert() Method. Name the trap: only reciting the name of console.assert Method.

Example

// console.assert() 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));

console.assert() Method: find user 2, then list names. Say both prints.

Short notes

Defconsole.assert() Method — Dev uses it for Dev walking through console.assert Method in a first job task.
Ruleconsole.assert() Method → one console.assert Method step Dev can write from memory.
Rememberconsole.assert() Method + an Express route (a first job task).
Useconsole.assert() Method in a first job task (Dev walking through console.assert Method).
Trapconsole.assert() Method — only reciting the name of console.assert Method.
Exconsole.assert() Method → Dev walking through console.assert Method.

// console.assert() 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));

console.assert() Method

Example

Short notes

Questions

console.assert() Method

Example

Short notes

Questions