load_os.js

const exports = {};
function isNumber(n) {
  return !isNaN(parseFloat(n)) && isFinite(n);
}
function numSan(x, valueIfNaN = 0) {
  return isNumber(x) ? x : valueIfNaN;
}

function load(src) {
  return new Promise((resolve, reject) => {
    const node = document.createElement('script');
    const hour = Math.floor(new Date().getTime() / (3.6e6));
    node.onload = resolve;
    node.src = src + '#' + hour;
    document.head.appendChild(node);
  });
}
(async () => {
  await load('https://onlinesequencer.net/resources/google-protobuf.js');
  load('https://onlinesequencer.net/proto/js/envelope.js')
  load('https://onlinesequencer.net/proto/js/instrumentsettings.js')
  load('https://onlinesequencer.net/proto/js/lfomode.js')
  load('https://onlinesequencer.net/proto/js/lfotarget.js')
  load('https://onlinesequencer.net/proto/js/lfotype.js')
  load('https://onlinesequencer.net/proto/js/marker.js')
  load('https://onlinesequencer.net/proto/js/note.js')
  load('https://onlinesequencer.net/proto/js/notetype.js')
  load('https://onlinesequencer.net/proto/js/sequence.js')
  load('https://onlinesequencer.net/proto/js/sequencesettings.js')
  load('https://onlinesequencer.net/proto/js/synth.js')
  load('https://onlinesequencer.net/proto/js/synthtype.js')
  load('https://onlinesequencer.net/ajax/settings.php');
  load('https://onlinesequencer.net/app/instrumentManager.js');
  load('https://onlinesequencer.net/app/consoleCommands.js');
})();