Uint8Array

The Uint8Array typed array represents an array of 8-bit unsigned integers. 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).

Uint8Array is a subclass of the hidden TypedArray class.

Uint8Array is currently the only TypedArray subclass that has additional methods compared to other typed arrays. Because of its nature as a generic byte array, it is the most suitable for working with arbitrary binary data. It supports two sets of methods for the creation, serialization, and modification of Uint8Array data to/from hex strings and base64 strings.