typescript array of object with types

1let userTestStatus: { id: number, name: string }[] = [
2    { "id": 0, "name": "Available" },
3    { "id": 1, "name": "Ready" },
4    { "id": 2, "name": "Started" }
5];
6
7userTestStatus[34978].nammme; // Error: Property 'nammme' does not exist on type [...]
8

1export class CrudService {
2  ...
3  cards: Card[] = [];
4  ...
5}

1type submitionDataType = {
2    title: string,
3    desc: string,
4    decks: Array<{ front: string, back: string }>
5}

1// Create an interface that describes your object
2interface Car {
3  name: string;
4  brand: string;
5  price: number;
6}
7
8// The variable `cars` below has a type of an array of car objects.
9let cars: Car[];