Csv file downloading code javascript ajax

downloadCsv.js

const download = function(data){
  const blob = new Blob([data], {type : 'text/csv'});
  const url = window.URL.createObjectURL(blob);
  const a = document.createElement('a');
  a.setAttribute('hidden', '');
  a.setAttribute('href', url);
  a.setAttribute('download', 'download.csv');
  document.body.appendChild(a);
  a.click();
  document.body.removeChild(a);

}