Uint8Array.prototype.toHex()

toHex()

const uint8Array = new Uint8Array([202, 254, 208, 13]);
console.log(uint8Array.toHex()); // "cafed00d"
const data = new Uint8Array([255, 0, 0, 0, 255, 0, 0, 0, 255]);
for (let i = 0; i < data.length; i += 3) {
  console.log(data.slice(i, i + 3).toHex());
}
// "ff0000"
// "00ff00"
// "0000ff"