typescript define array objects code example

Example 1: array of objects typescript

let userTestStatus: { id: number, name: string }[] = [
    { "id": 0, "name": "Available" },
    { "id": 1, "name": "Ready" },
    { "id": 2, "name": "Started" }
];

userTestStatus[34978].nammme; // Error: Property 'nammme' does not exist on type [...]

Example 2: typescript array of objects

interface User {
	[index: number]: {
    	firstname: string;
      	lastname: string;
      	age: number;
    }
}

Example 3: typescript array of objects

// Create an interface that describes your object
interface Car {
  name: string;
  brand: string;
  price: number;
}

// The variable `cars` below has a type of an array of car objects.
let cars: Car[];