ajax file download

ajaxFileDownload.js

/**
 * create a link and force download
 */
function forceDownload () {
  var a = document.createElement('a');
  var url = window.URL.createObjectURL(data);
  a.href = url;
  a.download = 'myfile.pdf';
  document.body.append(a);
  a.click();
  a.remove();
  window.URL.revokeObjectURL(url);
}