JS Download Function

download-file.js

function download(filename, filepath) {
  let element = document.createElement('a');
  element.setAttribute('href', filepath);
  element.setAttribute('download', filename);
  element.style.display = 'none';
  document.body.appendChild(element);
  element.click();
  document.body.removeChild(element);
}

// Start file download.
download("hello.txt","This is the content of my file :)");