Quiz · Object types · lesson 5 of 7
Quiz — an optional property
What does tsc report for this file?
type User = { name: string; age?: number };
const u: User = { name: "Ann" };
console.log(u.age + 1);What does tsc report for this file?
type User = { name: string; age?: number };
const u: User = { name: "Ann" };
console.log(u.age + 1);
