download_sample.js

dumpData("Some Data", "nao.txt");

//=============================================================
// Based on Yodayo Tavern Chat Downloader by Holly...
//=============================================================
function dumpData(data, fileName) {
  var blob = new Blob([data], {type: "text/plain"});
  var url = URL.createObjectURL(blob);
  initiateDownload(url, fileName);
  URL.revokeObjectURL(url);
  
  //===========================================================
  function initiateDownload(path, fileName) {
    var anchor = document.createElement('a');
    anchor.href = path;
    anchor.download = fileName;
    document.body.appendChild(anchor);
    anchor.click();
    document.body.removeChild(anchor);
  }
}