Uint16Array

// 
const uint16 = new Uint16Array(2);
uint16[0] = 42;
console.log(uint16[0]); // 42
console.log(uint16.length); // 2
console.log(uint16.BYTES_PER_ELEMENT); // 2

// 
const x = new Uint16Array([21, 31]);
console.log(x[1]); // 31

//  TypedArray 
const y = new Uint16Array(x);
console.log(y[0]); // 21

// ArrayBuffer 
const buffer = new ArrayBuffer(16);
const z = new Uint16Array(buffer, 2, 4);
console.log(z.byteOffset); // 2

// 
const iterable = (function* () {
  yield* [1, 2, 3];
})();
const uint16FromIterable = new Uint16Array(iterable);
console.log(uint16FromIterable);
// Uint16Array [1, 2, 3]