Typescript Essentials #10 - Advanced Types (Interfaces)

We continue on the path of advanced types in typescript, by learning about creating our own types using interfaces.

[JurajPecháč]

interface Person1 {
name: string;

}
interface Person2 {
name: string;
surname: string;
}
var person2: Person2 = { name : "X", surname : "Y"};
var person1: Person1 = person2; // this is OK
var person1: Person1 = { name : "X", surname : "Y"}; // this not, why?