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Uint32Array - JavaScript | MDN

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Uint32Array

Baseline
Widely available

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

Uint32Array (TypedArray) 32 . DataView . 0 . (, ) .

In this article

Uint32Array()

Uint32Array .

TypedArray .

Uint32Array.BYTES_PER_ELEMENT

. Uint32Array 4 .

Uint32Array.name

. Uint32Array "Uint32Array".

TypedArray .

TypedArray .

Uint32Array.prototype.BYTES_PER_ELEMENT

. Uint32Array 4.

TypedArray .

Uint32Array

js
//  
const uint32 = new Uint32Array(2);
uint32[0] = 42;
console.log(uint32[0]); // 42
console.log(uint32.length); // 2
console.log(uint32.BYTES_PER_ELEMENT); // 4

// 
const x = new Uint32Array([21, 31]);
console.log(x[1]); // 31

//  TypedArray
const y = new Uint32Array(x);
console.log(y[0]); // 21

// ArrayBuffer
const buffer = new ArrayBuffer(32);
const z = new Uint32Array(buffer, 4, 4);
console.log(z.byteOffset); // 4

// 
const iterable = (function* () {
  yield* [1, 2, 3];
})();
const uint32FromIterable = new Uint32Array(iterable);
console.log(uint32FromIterable);
// Uint32Array [1, 2, 3]

Specification
ECMAScript 2027 LanguageSpecification
# sec-typedarray-objects


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