var link = document.createElement('a');
link.href = url;
link.download = 'file.pdf';
link.dispatchEvent(new MouseEvent('click'));// tutorials point
https://matfuvit.github.io/UVIT/predavanja/literatura/TutorialsPoint%20JavaScript.pdf
// Javascript for impatient preview
https://exploringjs.com/impatient-js/downloads/impatient-js-preview-book.pdf
# With npm
npm install --save pdf-lib
# With yarn
yarn add pdf-lib// search for Eloquent javascript by Marijn Haverbeke on https://www.pdfdrive.com/
// url: https://www.pdfdrive.com/search?q=eloquent+javascript&pagecount=&pubyear=&searchin=&em=