array ts code example

Example 1: javascript list include

const array1 = [1, 2, 3];

console.log(array1.includes(2));
// expected output: true

const pets = ['cat', 'dog', 'bat'];

console.log(pets.includes('cat'));
// expected output: true

console.log(pets.includes('at'));
// expected output: false

Example 2: typescript array

// let arr_name, elemType[];
let list: number[] = [1, 2, 3];
// Generic array type, Array<elemType>:
let list: Array<number> = [1, 2, 3];

Example 3: typescript array

let list: number[] = [1, 2, 3];

Example 4: type script array

let list: number[] = [1, 2, 3];

Example 5: array in typescript

const count = [...Array(5)];
count.map((_) => console.log('hi'));