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How to prevent TypeError in Node.js

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How to prevent TypeError in Node.js

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Exam tip

For How to prevent TypeError (in node js): definition + lab hour + one failure.

Example

// How to prevent TypeError 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));

How to prevent TypeError in Node.js: find user 2, then list names. Say both prints.

Short notes

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// How to prevent TypeError 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));

How to prevent TypeError in Node.js

Example

Short notes

Questions

How to prevent TypeError in Node.js

Example

Short notes

Questions