The Javascript BigUint64Array buffer property returns the ArrayBuffer referenced by a BigUint64Array.
BigUint64Array.buffer
The Javascript BigUint64Array buffer property is a read only property.
The value is set when the BigUint64Array is constructed and cannot be changed.
Using the Javascript BigUint64Array buffer property
var buffer = new ArrayBuffer(8); var uint16 = new BigUint64Array(buffer); uint16.buffer;