JavaScript ArrayBufferView : Object

ArrayBufferView is an abstract type that is the base for the following types: DataView, BigInt64Array, BigUint64Array, Float32Array, Float64Array, Int8Array, Int16Array, Int32Array, Uint8Array, Uint8ClampedArray, Uint16Array, Uint32Array.

Spec

Instance Properties

buffer : ArrayBuffer readonly

Returns the underlying buffer for this.

var buffer = new ArrayBuffer(12);
var x = new DataView(buffer);
console.log(x.buffer === buffer);

byteLength : Number readonly

The length of this in bytes.

var buffer = new ArrayBuffer(12);
var x = new DataView(buffer, 4, 2);
console.log(x.byteLength);

byteOffset : Number readonly

The offset into this.buffer where the view starts.

var buffer = new ArrayBuffer(12);
var x = new DataView(buffer, 4, 2);
console.log(x.byteOffset);