Int16Array() constructor

Baseline

Widely available

This feature is well established and works across many devices and browser versions. Itâs been available across browsers since 2015ë 7ì.

êµ¬ë¬¸

new Int16Array()
new Int16Array(length)
new Int16Array(typedArray)
new Int16Array(object)

new Int16Array(buffer)
new Int16Array(buffer, byteOffset)
new Int16Array(buffer, byteOffset, length)

Note: Int16Array()ë ì¤ì§ newë¡ë§ ìì±í ì ììµëë¤. new ìì´ í¸ì¶ì ìëíë©´ TypeError ìì¸ê° ë°ìí©ëë¤.

// ê¸¸ì´ë¡ë¶í° ìì±
const int16 = new Int16Array(2);
int16[0] = 42;
console.log(int16[0]); // 42
console.log(int16.length); // 2
console.log(int16.BYTES_PER_ELEMENT); // 2

// ë°°ì´ë¡ë¶í°
const x = new Int16Array([21, 31]);
console.log(x[1]); // 31

// ë¤ë¥¸ TypedArrayë¡ë¶í°
const y = new Int16Array(x);
console.log(y[0]); // 21

// ArrayBufferë¡ë¶í°
const buffer = new ArrayBuffer(16);
const z = new Int16Array(buffer, 2, 4);
console.log(z.byteOffset); // 2

// ìíë¡ë¶í°
const iterable = (function* () {
  yield* [1, 2, 3];
})();
const int16FromIterable = new Int16Array(iterable);
console.log(int16FromIterable);
// Int16Array [1, 2, 3]