TypedArrayMystery.js

// TypedArray constructor

// Array
const uint8_1 = new Uint8Array([1, 2, 3]);
console.log(uint8_1);
// => Uint8Array(3) [1, 2, 3]

// ArrayLike
const uint8_2 = new Uint8Array({ 0: 1, 1: 2, 2: 3, length: 3 });
console.log(uint8_2);
// => Uint8Array(3) [1, 2, 3]

// Iterable
const uint8_3 = new Uint8Array([1, 2, 3].values());
console.log(uint8_3);
// => Uint8Array(3) [1, 2, 3]


// TypedArray.from

// Array
const uint8_4 = Uint8Array.from([1, 2, 3]);
console.log(uint8_4);
// => Uint8Array(3) [1, 2, 3]

// ArrayLike
const uint8_5 = Uint8Array.from({ 0: 1, 1: 2, 2: 3, length: 3 });
console.log(uint8_5);
// => Uint8Array(3) [1, 2, 3]

// Iterable
const uint8_6 = Uint8Array.from([1, 2, 3].values());
console.log(uint8_6);
// => Uint8Array(3) [1, 2, 3]


// TypedArray#set

// Array
const uint8_7 = new Uint8Array(3);
uint8_7.set([1, 2, 3]);
console.log(uint8_7);
// => Uint8Array(3) [1, 2, 3]

// ArrayLike
const uint8_8 = new Uint8Array(3);
uint8_8.set({ 0: 1, 1: 2, 2: 3, length: 3 });
console.log(uint8_8);
// => Uint8Array(3) [1, 2, 3]

// Iterable
const uint8_9 = new Uint8Array(3);
uint8_9.set([1, 2, 3].values());
console.log(uint8_9);
// => Uint8Array(3) [0, 0, 0]