Function base64ToByteArray

docs/bitty.js:394–396

(base64)

var BROT_MARKER = 'br';

function base64ToByteArray(base64) {
  return Uint8Array.from(atob(base64), c => c.charCodeAt(0));
}

function loadScript(src, type, callback) {
  let script = document.getElementById(src);