Baseline Widely available
The Int32Array typed array represents an array of 32-bit signed integers in the platform byte order. If control over byte order is needed, use DataView instead. The contents are initialized to 0 unless initialization data is explicitly provided. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation).
Int32Array is a subclass of the hidden TypedArray class.
Int32Array()
Creates a new Int32Array object.
Also inherits static properties from its parent TypedArray.
Int32Array.BYTES_PER_ELEMENT
Returns a number value of the element size. 4 in the case of Int32Array.
Inherits static methods from its parent TypedArray.
Also inherits instance properties from its parent TypedArray.
These properties are defined on Int32Array.prototype and shared by all Int32Array instances.
Int32Array.prototype.BYTES_PER_ELEMENT
Returns a number value of the element size. 4 in the case of a Int32Array.
Int32Array.prototype.constructor
The constructor function that created the instance object. For Int32Array instances, the initial value is the Int32Array constructor.
Inherits instance methods from its parent TypedArray.
// From a length
const int32 = new Int32Array(2);
int32[0] = 42;
console.log(int32[0]); // 42
console.log(int32.length); // 2
console.log(int32.BYTES_PER_ELEMENT); // 4
// From an array
const x = new Int32Array([21, 31]);
console.log(x[1]); // 31
// From another TypedArray
const y = new Int32Array(x);
console.log(y[0]); // 21
// From an ArrayBuffer
const buffer = new ArrayBuffer(32);
const z = new Int32Array(buffer, 4, 4);
console.log(z.byteOffset); // 4
// From an iterable
const iterable = (function* () {
yield* [1, 2, 3];
})();
const int32FromIterable = new Int32Array(iterable);
console.log(int32FromIterable);
// Int32Array [1, 2, 3]
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