Mozilla TypedArray document

Uint8Array is a type of TypedArray

and Buffer is an instance of Uint8Array

Creating TypedArrays from Buffer with or without sharing same memory.

Creating a Buffer from the TypedArrays with or without sharing the same memory

In order to share memory we use

1. Buffer.buffer, Buffer.byteOffset, Buffer.length / TypedArray.BYTES_PER_ELEMENT
2. TypedArray.buffer, offset, length